alpha-bergamotenoic acid

A sesquiterpenoid that is alpha-bergamotene in which one of the methyl groups attached to the exocyclic C=C double bond has been oxidised to form the corresponding carboxylic acid.


A member of the class of carotenone that is echinenone carrying an additional hydroxy substituent at position 3'. Found in cyanobacteria.


KLYMOLLIN H

An eunicellin diterpenoid isolated from the soft coral Klyxum molle.


A dehydrovomifoliol that has S-configuration at the chiral centre.


CAESALPININ D

A diterpenoid lactone isolated from the seed kernels of Caesalpinia crista that has been found to exhibit antimalarial activity.


variecoltetraene

A sesterterpene synthesised by a terpene synthase from Fusarium graminearum.


bicyclosesquiphellandrene

An octahydronaphthalene that is 1,2,3,4,4a,5,6,7-octahydronaphthalene substituted by isopropyl, methyl, and methylidene groups at positions 1, 4 and 7, respectively (the (1S,4R,4aR)-stereoisomer).


pneumocysterol

A tetracyclic triterpenoid that is (24Z)-24-ethylidenelanost-8-ene substituted by a hydroxy group at the 3beta position.


A diterpenoid that is 11-oxo-ent-cassa-12,15-diene carrying two additional alpha-hydroxy substituents at positions 2 and 3.


A  lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


inuloxin A

A sesquiterpene lactone with formula C15H20O3. It is a natural product isolated from the aerial parts of Inula viscosa, a widespread Mediterranean plant known for its content of pharmacologically active metabolites. It has herbicidal, antifungal and antiamoebic activity.


poly-cis-polyprenyl diphosphate

Any polyprenol diphosphate in which all of the tetrasubstituted C=C double bonds have cis configuration.


triptobenzene A

An abietane diterpenoid with formula C20H28O3, originally isolated from Tripterygium wilfordii.


A diterpenoid of the class of secoisopimarane isolated from Salvia cinnabarina and has been shown to exhibit antispasmodic, hypotensive and antibacterial activities.


tinyatoxin

A heteropentacyclic compound found in Euphorbia poissonii with molecular formula C36H38O8. It is an agonist of the transient receptor potential cation channel subfamily V member 1 (TrpV1).


(+)-iridodial lactol

An iridoid monoterpenoid that is 1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran substituted by methyl groups at positions 4 and 7 and a hydroxy group at position 1 (the 1R,4aS,7S,7aR-stereoisomer).


isotalatizidine

A diterpene alkaloid that is aconitane bearing hydroxy groups at the 1alpha, 8, and 14alpha positions and substituted at on the nitrogen and at positions 4 and 16beta by ethyl, methoxymethyl, and methoxy groups, respectively.


farnesene

A sesquiterpene that is any of the four possible isomers of 3,7,11-trimethyl-1,3,6,10-dodecatetraene (alpha-farnesene) or of the two possible isomers of 7,11-dimethyl-3-methylene-1,6,10-dodecatriene.


A tricyclic sesquiterpene that is 2,4,4a,5,6,7,7a,7b-octahydro-1H-cyclobuta[e]indene bearing four methyl substituents at positions 3, 6, 6 and 7b.


(-)-leucophyllone

A tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S,23E)-lanosta-7,23-diene substituted by an oxo group at position 3 and a methoxy group at position 25. It has been isolated from the stem and stem barks of Cornus walteri.


(-)-englerin A

A guaiane sesquiterpenoid that is isolated from the bark of Phyllanthus engleri, a plant native to Tanzania and Zimbabwe. It acts as a potent and specific inhibitor of renal cancer cell growth.


(+)-alpha-gurjunene

A tricyclic sesquiterpene that is 1a,2,3,4,4a,5,6,7b-octahydro-1H-cyclopropa[e]azulene carrying four methyl substituents at positions 1, 1, 4 and 7.


A diacetylchitobiosyldiphosphodolichol in which a trimannosyl group consisting of one beta-D-mannosyl and two alpha-D-mannosyl residues is attached at an unspecified position to the diacetylchitobiosyldiphosphodolichol moiety.


Sesterviridene C

A sesterterpene that is produced by a sesterterpene synthase from Kitasatospora viridis.


tetracyclic diterpenoid

A diterpenoid with a tetracyclic skeleton.


delta-terpineol acetate

A p-menthane monoterpenoid that is delta-terpineol in which the hydroxy hydrogen has been replaced by an acetyl group.


AZADIRACHTIN-B

A member of the class of azadirachtin found in the neem tree, Azadirachta indica.


RUBIARBONONE A

A pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis.


lobophytumin F

A diterpenoid isolated from the Hainan soft coral Lobophytum cristatum.


bullatantriol

A sesqiterpenoid that is octahydro-1H-indene which is substituted by a 2-hydroxy-2-methylpropyl group at position 1, methyl groups at positions 3a and 7, and hydroxy groups at positions 4 and 7 (the 1R,3aR,4R,7S,7aR stereoisomer). It has been isolated from various Homalomena species.


dianversicoside C

A pentacyclic triterpenoid saponin isolated from the aerial parts of Dianthus versicolor. It has been shown to exhibit cytotoxic activity against a panel of cancer cell lines.


globostellatic acid D

A tricyclic triterpenoid of the isomalabaricane group.


sordaricin

A tetracyclic diterpenoid that is produced by several fungi including Sordaria araneosa.


all-cis-polyprenol phosphate

A polyprenol phosphate in which all the C=C double bonds have cis (Z) configuration.


SALZMANNIANOSIDE B

A triterpenoid saponin that is the tetrasaccharide derivative of hederagenin. Isolated from Serjania salzmanniana, it exhibits antifungal and molluscicidal activities.


Any tetracyclic triterpenoid that is derived from 4,4-dimethyl-8,14-cholestadien-3beta-ol.


forskoditerpenoside D

A diterpene glycoside that is labd-14-en-11-one substituted by beta-acetoxy groups at positions 6 and 7, an epoxy group between positions 8 and 13 and a beta-D-glucopyranosyloxy group at position 1 (the 1alpha stereoisomer). Isolated from the whole plant of Coleus forskohlii, it shows relaxative effects on isolated guinea pig tracheal spirals in vitro.


gibberellin A20

A C19-gibberellin that is a pentacyclic diterpenoid responsible for promoting growth and development. Initially identified in Gibberella fujikuroi, it differs from gibberellin A1 in lacking an OH group at C-2 (gibbane numbering).


(S)-8-oxocitronellyl enol

An 8-oxocitronellyl enol in which the chiral centre has S configuration.


An abietane diterpenoid that is miltiradiene which carries a formyl group at position 20. It is a metabolite of miltiradiene.


polyterpene

A C5n terpene, where n is greater than 8.


BERKELEYONE A

A  meroterpenoid found in Penicillium rubrum and has been shown to exhibit inhibitory activity against caspase-1.


sapinmusaponin Q

A triterpenoid saponin isolated from  Sapindus mukorossi and has been shown to exhibit inhibitory activity against platelet aggregation.


A tetracyclic triterpenoid of the 8,19-seco-ursane-type skeleton isolated from the leaves of Rosa laevigata.


A pentacyclic triterpenoid that is urs-12-ene substituted by a carboxy group at position 28 and hydroxy groups at positions 2, 3 and 23 (the 2alpha,3alpha stereoisomer). It has been isolated from Juglans sinensis.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man9Glc2GlcNAc2 branched tridecasaccharide alpha-D-Glc-(1->3)-alpha-D-Glc-(1->3)-alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


farnesane

A sesquiterpene that is dodecane substituted by methyl groups at positions 2, 6 and 10.


A lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


bonnadiene

A diterpene produced by a bacterial diterpene synthase from Allokutzneria albata.


dustanin

A  hopanoid that is hopane substituted by hydroxy groups at positions 15 and 22 (the 15alpha-stereoisomer). It has been isolated from Aschersonia species and Hypocrella species.


terpineol

A family of monoterpenols that have a p-menthane skeleton containing one double bond and bearing a single hydroxy substituent.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man1GlcNAc2 linear trisaccharide beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-alpha-D-GlcNAc.


maniladiol

A pentacyclic triterpenoid that is olean-12-ene in which the hydrogens at the 3beta and 16beta positions have been replaced by hydroxy groups.


A cholestanoid that is 5alpha-cholesta-8-en-3beta-ol bearing two additional methyl substituents at position 4.


beta-ionone 5,6-epoxide

An apo carotenoid monoterpenoid that is beta-ionone substituted by an epoxy group across positions 5 and 6.


dihydrofukinolide

A sesquiterpene lactone that is (3R,3a'R)-decahydrospiro[furan-3,2'-indene] carrying an oxo, methylene, acetoxy, [(2S)-2-methylbutanoyl]oxy, methyl and methyl groups at positions 2, 4, 3', 4', 7' and 7a', respectively.


triptoquinone H

An abietane diterpenoid with formula C20H26O3, originally isolated from Tripterygium hypoglaucum.


A sesquiterpenoid consisting of octahydro-1H-cyclopenta[1,3]cyclopropa[1,2]benzen-3-ol carrying two additional methyl substituents at positions 3 and 7 as well as an isopropyl substituent at position 4 (the 3S,3aS,3bS,4R,7S,7aS diastereomer).


DIANVERSICOSIDE F

A pentacyclic triterpenoid saponin isolated from the aerial parts of Dianthus versicolor. It has been shown to exhibit cytotoxic activity against a panel of cancer cell lines.


A polyprenyl phospho oligosaccharide where N-acetyl-beta-D-mannosaminyl-(1->4)-N-acetyl-D-glucosaminyl comprises the oligosaccharide component and the polyprenyl chain consists of eleven prenyl units.


A cyclic carotene that is beta-carotene which the double bond between positions 7 and 8 has been hydrogenated.


name: (11S,12R) Piericidin C1 10-O-beta-D-glucoside


A tricyclic diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


pseudoionone

A terpene ketone derived from ring cleavage of the apo carotenoid beta-ionone.


A scalarane sesterterpenoid that is 12-epi-deoxoscalarin with an additional acetoxy group at position 23. It has been isolated from the sponge, Hyattella species.


hokbusine A

A diterpene alkaloid with formula C32H45NO10, originally isolated from Aconitum jaluense.


paeonilactinone

A cyclic monoterpene ketone that is bicyclo[3.1.1]heptan-2-one which is substituted at positions 4, 6, and 6 by hydroxymethyl, methyl, and methyl groups (the 1R,4S,5R stereoisomer). It has been found in Japanese Paeoniae Radix, which has been used in various Chinese medicinal preparations as an anodyne, sedative, antispasmodic, and astringent.


(Z,S)-cinerolone

A beta-hydroxy ketone that is cyclopent-2-en-1-one which is substituted at positions 2, 3, and 4 by (2Z)-but-2-en-1-yl, methyl, and hydroxy groups, respectively (the 2S enantiomer).


LOBOPHYTUMIN C

A  diterpenoid that is decahydronaphthalene substituted by a methyl group at position 4a, a methylidiene group at position 1 and a 6-methylhepta-1,5-dien-2-yl group at position 7 (the 4aS,7S,8aR-stereoisomer). It has been isolated from the Hainan soft coral Lobophytum cristatum.


monoterpene ketone

A terpene ketone derived from a monoterpene.


sesterterpenoid

Any terpenoid derived from a sesterterpene. The term includes compounds in which the C25 skeleton of the parent sesterterpene has been rearranged or modified by the removal of one or more skeletal atoms (generally methyl groups). Sometimes sesterterpenoids are erroneously referred to as sesterpenoids.


An epoxycarotenol that beta-cryptoxanthin in which the 5,6-double bond has been epoxidised.


wilforgine

A dihydroagarofuran sesquiterpenoid and pyridine alkaloid with formula C41H47NO19 originally isolated from the roots of Tripterygium wilfordii.


(-)-endo-alpha-bergamotene

A cis-alpha-bergamotene that has (S,S,S)-configuration.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


gnidilatimonoein

A diterpenoid isolated from the leaves of Daphne mucronata and exhibits anti-tumour and anti-metastatic activities.


DYSOLENTICIN G

A tetracyclic triterpenoid found in Dysoxylum lenticellatum.


A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted to the corresponding decanoate esters. A Trpv4-specific ligand.


all-trans-3,4-didehydroretinoic acid

A retinoid obtained by 3,4-desaturation of beta-ionone ring of all-trans-retinoic acid


KOMAROVIQUINONE

A tetracyclic diterpenoid isolated from Dracocephalum komarovii and has been shown to exhibit trypanocidal activity.


tigilanol tiglate

A diterpenoid natural product isolated from the kernels of the Australian blushwood tree (Fontainea picrosperma). It is approved as a veterinary pharmaceutical for the treatment of non-metastatic and non-resectable canine mast cell tumours.


A sesquiterpene with a [7.2.0]-bicyclic structure comprising fused 9- and 4-membered rings, with a cis-ring junction, a methylidene group at position 9, and methyl groups at positions 3, 11, and 11.


phomopsene

A tetracyclic diterpene that is (6aS,6bR,10aR)-1,2,3,5,6,6a,6b,7,8,9,9a,10-dodecahydrodicyclopenta[a,d]indene substituted by methyl groups at positions 1, 4, 7, 7 and 9a, respectively.


A diterpene that is produced by a diterpene synthase from Cephalotaxus sinensis.


luzonidial B

An iridoid monoterpenoid that is cyclopentene substituted by a formyl group at position 3, a hydroxymethyl group at position 2, 3-oxopropen-2yl group at position 4 and a cis-4-coumaroyloxy moiety at position 1 (the 1S,4R stereoisomer). Isolated from the leaves of Viburnum luzonicum, it exhibits antineoplastic activity.


A car-3-ene (3,7,7-trimethylbicyclo[4.1.0]hept-3-ene) that has S configuration at position 1 and R configuration at position 6.


triptohypol F

A pentacyclic diterpenoid with formula C31H52O2, originally isolated from the leaves of Tripterygium hypoglaucum.


quiannulatene

A sesterterpene that is produced by the heterologous expression of sesterterpene synthase EvQS from Aspergillus stellatus.


(+)-(S)-dihydro-ar-turmerone

A  sesquiterpenoid that is 2-methylheptan-4-one substituted by a 4-methylphenyl group at position 6. It has been isolated from  Peltophorum dasyrachis.


An abietane diterpenoid that is ferruginol in which the hydrogen ortho to the phenolic hydroxy group has been replaced by a hydroxy group.


A 1,8-dialdehyde compound having double bonds in the 2-, 4- and 6-positions and a methyl substituent at the 4-position.


mogroside I-A1

A mogroside that is mogrol in which the hydroxyl hydrogen at position 24 has been replaced by a beta-D-glucosyl residue.


(R,R)-chrysanthemyl diphosphate

The (R,R)-diastereoisomer of chrysanthemyl diphosphate.


A bicyclic sesquiterpene that is 1,2,6,7,8,8a-hexahydroazulene carrying an isopropyl substituent at position 5 as well as two methyl substituents at positions 5 and 8.


subrutilene F

A sesterterpene produced in the bacterium Streptomyces subrutilus.


alpha-onocerin

A triterpenoid that is ethane in which each carbon has been substituted by a (1R,4aR,6S,8aS)-6-hydroxy-5,5,8a-trimethyl-2-methylenedecahydronaphthalen-1-yl group.


all-trans-retinol-R

a retinoid molecule in which all four exocyclic double bonds have (E)-trans geometry, and where R can be H or a fatty acyl chain.


name: (11R,12S) Piericidin C1 10-O-beta-D-glucoside


iritremulanol A

A carbobicyclic compound that is 1,2,3,3a,4,5,6,7-octahydroazulene substituted by methyl groups at positions 2, 2, 4 and 8, and by a hydroxymethyl group at position 8 (the 5R,8R,8aR-stereoisomer). It is a sesquiterpenoid synthesised by heterologous expression of a sesquiterpene synthase from the basidiomycete Irpex lacteus.


cis-cis-nepetalactone

A cyclopentapyran that is (4aR,7aS)-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran substituted at position 1 by an oxo group and at positions 4 and 7 by methyl groups, respectively (the 4aR,7S,7aS-diastereomer). An iridoid monoterpenoid isolated from several Nepeta plant species.


fukanemarin A

A hydroxycoumarin that is 4,7-dihydroxycoumarin substituted by a 1,2,6,10-tetramethyl-8-oxoundeca-2(E),5(E),9-trienyl moiety at position 3. Isolated from the roots of Ferula fukanensis, it exhibits inhibitory effects on the production of nitric oxide (NO).


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


inumakoic acid

An  abietane diterpenoid that is podocarpa-8,11,13-triene substituted by a hydroxy group at position 11, a propan-2-yl group at position 14 and a carboxy group at position 16. It has been isolated from  Podocarpus latifolius.


AJUGACILIATIN E

A diterpene lactone isolated from the whole plants of Ajuga ciliata.


bruceine D

A  quassinoid that is 13,20-epoxypicras-3-ene substituted by hydroxy groups at positions 1, 11, 12, 14 and 15 and oxo groups at positions 2 and 16. Isolated from the ethanol extract of the stem of Brucea mollis, it exhibits cytotoxic activity.


neotriptophenolide

A tetracyclic diterpenoid with formula C21H26O4, originally isolated from Tripterygium wilfordii and Tripterygium hypoglaucum


talarodiene

A diterpene that is produced by a cryptic type I diterpene synthase in marine-derived fungus Aspergillus flavipes.


26-desglucoavenacoside A

A steroid saponin that is avenacoside A lacking the 26-O-glucosyl residue.


A sesquiterpenoid consisting of a tricyclic carbon skeleton functionalised by a tertiary hydroxy group.


A  tirucallane triterpenoid that is tirucalla-7,24-diene substituted by a beta-hydroxy group at position 3.


An optically active form of 6-isopropenyl-3-methyloxepan-2-one having (3R,6S)-configuration.


A carbobicyclic compound that is 1,2,3,4,5,6-hexahydroazulene substituted by methyl groups at positions 1S and 4S and by an isoproyl group at position 7. It is a sesquiterpene synthesised by heterologous expression of a sesquiterpene cyclase from the deep-sea fungus Spiromastix sp.


petasin

An enoate ester obtained by formal condensation of the carboxy group of angelic acid with the hydroxy group of (1R,2R,7S,8aR)-1,8a-dimethyl-6-oxo-7-(prop-1-en-2-yl)-1,2,3,4,6,7,8,8a-octahydronaphthalen-2-ol.


A carotenoid ether that is spirilloxanthin substituted at positions 2  and 2' by oxo and hydroxy groups respectively.


A tetracyclic diterpenoid that is hexadecahydropyrene substituted by isocyano group at position 8, methyl groups at positions 1, 4, 7 and 8 and a formamido group at position 1. Isolated from the tropical marine sponge Cymbastela hooperi, it exhibits antiplasmodial activity.


HYPOGLAUNINE C

A sesquiterpene alkaloid that is isolated from Tripterygium hypoglaucum and Tripterygium wilfordii.


pinen-10-yl vicianoside

A monoterpene glycoside with formula C21H34O10, originally isolated from the roots of Paeonia lactiflora.


marianoside B

A triterpene glycoside that is lanost-8-ene substituted by a methylidene group at position 24 and a beta-D-glucopyranosyloxy group at position 3. Isolated from the whole plant of Silybum marianum, it exhibits inhibitory activity against chymotrypsin.


A sesquiterpene that is (9aS)-5,6,7,8,9,9a-hexahydro-1H-benzo[7]annulene substituted by methyl groups at positions 3, 5, 5 and 9R. It is a pheromone produced by males of several Phyllotreta species.


fusaterpenol

A diterpenoid synthesised by a monofunctional diterpene synthase from Fusarium graminearum.


A retinoid obtained by formal hydrogenation across the 7,8-double bond of all-trans-retinol


glycyrrhizin

A  triterpenoid saponin that is the  glucosiduronide derivative of 3beta-hydroxy-11-oxoolean-12-en-30-oic acid.


dolichol

Any one of a group of prenol derivatives made up of varying numbers of cis-linked isoprene units, terminating in an alpha-saturated isoprenoid group containing an alcohol functional group, with the three isoprene units at the distal end trans-linked.


nicotianoside II

An acyclic diterpene glycoside consisting of a 20-hydroxygeranyllinalool skeleton conjugated to a malonylglucosyl residue at C-20 and a rhamnosyl(malonyl)glucosyl moiety at C-3.


sesquithujene

A sesquiterpene that consists of (1S,5R)-2-methylbicyclo[3.1.0]hex-2-ene having a (2S)-6-methylhept-5-en-2-yl group attached at position 5.


PRIMULAGENIN

A pentacyclic triterpenoid that is oleanane containing a double bond between positions 12 and 13 and substituted by hydroxy groups at the 3beta, 16alpha and 28-positions.


DEMETHYLMULTIORTHOQUINONE

A diterpenoid that is multiorthoquinone in which the methoxy group at position 12 is replaced by a hydroxy group. A norabietane derivative, it is isolated from Salvia multicaulis and exhibits antitubercular activity.


(R,R)-chrysanthemol

A chrysanthemol in which both chiral centres have R configuration.


A steroid saponin that is protodioscin lacking the 26-O-glucosyl moiety.


cycloartane

A triterpene that is lanostane in which there is a methylene bridge between the 5- and 9-positions.


viridiflorene

A carbotricyclic sesquiterpene obtained from several natural sources, including Australian Tea Tree oil (Melaleuca alternifolia.)


HYRTIAL

A scalarane sesterterpenoid with formula C26H40O3, originally isolated from the marine sponge Hyrtios erecta.


terretonin

A tetracyclic meroterpenoid that is isolated from Aspergillus terreus.


(Z,E)-alpha-farnesene

The (Z,E)-stereoiosmer of alpha-farnesene.


sibiskoside

A monoterpene glycoside that is geraniol-5,10-olide glycosylated at position 1 by a beta-D-glucopyranosyl group. Isolated from the aerial parts of Sibiraea angustata, it exhibits anti-obesity activity.


(-)-CAMPHENE

A camphene (2,2-dimethyl-3-methylenebicyclo[2.2.1]heptane) that has S configuration at position 1 and R configuration at position 4.


A  triterpenoid saponin of the class of cucurbitane glycosides isolated from  Machilus yaoshansis.


A  hopanoid that is hopane substituted by hydroxy groups at positions 6, 11, 22 and 27 respectively (the  6beta,11alpha-stereoisomer). It has been isolated from the mycelium of Conoideocrella tenuis.


premutilin

A tricyclic diterpenoid which is an intermediate in the biosynthetic pathway leading to the synthesis of the antibiotic, pleuromutilin.


A ent-kaurane diterpenoid that is ent-kaurane-19-oic acid substituted by hydroxy groups at positions 16 and 17 (the 16beta stereoisomer). It is isolated from Helianthus sp. and Annona squamosa and exhibits anti-HIV activity.


dihydrobisanhydrobacterioruberin

A C50 carotenoid that is an intermediate in the biosynthesis of bacterioruberin, a red-coloured pigment found in several Halobacterium and Haloarcula species.


tsukubadiene

A tricyclic diterpene with formula C20H32 which is produced by a diterpene cyclase gene expressed in an engineered Streptomyces host.


undecaprenols

Polyprenols comprising eleven prenyl units with a terminal hydroxy group.


VARIECOLIN

A natural product found in several Aspergillus species.


gibberellin A60

A C19-gibberellin, initially identified in Triticum aestivum. It differs from gibberellin A1 in lacking a beta-OH at C-2 but possessing one at C-4 (gibbane numberings).


auroxanthin

An epoxycarotenol that consists of 5,6,5',8'-tetrahydro-beta,beta-carotene-3,3'-diol having epoxy groups at the 5,8- and 5',8'-positions.


An apo carotenoid triterpenoid that is tetracosane containing double bonds at the 2-3, 6-7, 8-9, 10-11, 12-13, 14-15, 18-19, and 22-23 positions, and substituted by methyl groups at positions 2, 6, 10, 15, 19, and 23.


A germacranolide that is (3aR,5E,9E,11aS)-2,3,3a,4,7,8,11,11a-octahydrocyclodeca[b]furan substituted by an oxo group, methylidene group, methyl group and methyl group at positions 2,3,6 and 10, respectively.


(+)-valencene

A carbobicyclic compound and sesquiterpene that is 1,2,3,4,4a,5,6,7-octahydronaphthalene which is substituted a prop-1-en-2-yl group at position 3 and by methyl groups at positions 4a and 5  (the 3R,4aS,5R- diastereoisomer).


combretanone B

A pentacyclic triterpenoid that is 9beta,19-cyclolanostane substituted by an oxo group at position 3 and hydroxy groups at positions 7, 23R*, 24S*, 25 and 28. It has been isolated from the leaves of Combretum quadrangulare.


farnesyl triphosphate

A polyprenol triphosphate where the polyprenol component is farnesol.


A carotenol that is (3'E)-3',4'-didehydro-1',2'-dihydro-beta,psi-carotene which carries a hydroxy group at position 1'.


FATSICARPAIN E

A pentacyclic triterpenoid that is olean-18-ene substituted by alpha-hydroxy groups at positions 3 and 11 respectively and a carboxy group at position 28. It has been isolated from the leaves and twigs of Fatsia polycarpa.


phytocassane

Any member of a group of tricyclic diterpenoids isolated from Magneporthe grisea-infected rice leaves or Rhizoctonia solani-infected rice stems. They were initially identified as cassane diterpenoids, but were subsequently found to have the enantiomeric (ent-cassane) configuration.


demethylspheroidene

The carotenol formed by demethylation of the carotenoid ether spheroidene.


A diterpenoid that is the 11alpha-hydroxy-derivative of ent-cassa-12,15-diene.


1-deoxypentalenic acid

A tricyclic sesquiterpenoid that is pentalenene in which the 13-methyl group is oxidsed to the carboxylic acid.


A  diterpenoid isolated from the aerial parts of Ajuga bracteosa and has been shown to exhibit antifeedant activity.


A monoterpenoid that is (2E)-oct-2-enoic acid substituted by hydroxy group at position 8 and methyl groups at positions 2 and 6 respectively (the 6R stereoisomer). Isolated from the Chinese herb Cistanche salsa, It exhibits anti-osteoporotic activity.


AJUGAMARIN A2

A diterpene lactone isolated from the whole plants of Ajuga ciliata.


N-retinylidene-N-retinylethanolamine

A pyridinium ion obtained by formal condensation between two molecules of retinol and one the amino group of ethanolamine. A major constituent of retinal pigment epithelium lipofuscin


A  diterpenoid isolated from the aerial parts of  Ajuga bracteosa and has been shown to exhibit antifeedant activity.


BUDDLEDIN A

A sesquiterpenoid based on a  humulane skeleton.


cassaine

A tricyclic diterpenoid isolated from several plant species of the genus Erythrophleum.


A dolichyl diphosphooligosaccharide intermediate involved in post-translational modification of proteins.


RUBIARBONONE B

A pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis.


(+)-homalomenol B

A sesquiterpenoid that is (+)-homalomenol A in which the double bond of the 2-methylpropen-1-yl group has migrated from the 1-2 position to the 2-3 position.


mesembryanthemoidigenic acid

A pentacyclic triterpenoid with formula C30H48O4, originally isolated from Akebia quinata and Stauntonia hexaphylla.


beta-carotene 15,15'-epoxide

An epoxycarotenoid obtained by epoxidation across the 15,15'-double bond of beta-carotene.


melleolide F

A sesquiterpenoid resulting from the formal condensation of the carboxy group of o-orsellinic acid with the 2-hydroxy group of (2R,2aS,4aS,7aS,7bR)-3-(hydroxymethyl)-6,6,7b-trimethyl-1,2,4a,5,6,7,7a,7b-octahydro-2aH-cyclobuta[e]indene-2,2a-diol. It is a metabolite isolated from the fungus Armillaria mellea.


ingenol mebutate

A tetracyclic diterpenoid ester obtained by formal condensation of the carboxy group of (2Z)-2-methylbut-2-enoic (angelic) acid with the 3-hydroxy group of ingenol. Used for the topical treatment of actinic keratosis.


CARDIVIN C

A germacranolide isolated from the aerial parts of Carpesium divaricatum. It exhibits cytotoxicity against the human tumor cells, A-549 (nonsmall cell lung), SK-OV-3 (ovary), SK-MEL-2 (skin), XF-498 (central nervous system) and HCT-15 (colon).


A polyprenyl phospho oligosaccharide that consists of an alpha-D-GalNAc-(1->3)-alpha-D-GalNAc moiety linked via a diphospho group to ditrans,octacis-undecaprenol.


ginkgolide

Organic heterohexacyclic compounds that are diterpenoid trilactones found in the ginkgo tree (also known as the maidenhair tree, Ginkgo biloba). They have a cage skeleton consisting of six 5-membered rings (a spiro[4.4]nonane carbobicyclic ring, three lactones and a tetrahydrofuran ring) which includes a tert-butyl substituent. The ginkolides vary only in the number and positions of their hydroxy substituents.


A 1(10),5-germacradien-4-ol in which the hydroxy group has R-configuration


GERANYL ACETATE

A monoterpenoid that is the  acetate ester derivative of  geraniol.


caryoptin

A diterpenoid isolated from Caryopteris divaricata.


A lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


ZURETINOL

A retinol in which the double bond at position 9 has cis configuration, whilst the remaining acyclic double bonds have trans configuration.


SIMALIKALACTONE D

A quassinoid isolated from Quassia amara and Quassia africana. It has been shown to exhibit  antimalarial, cytotoxic and antiviral activities.


emarginatine B

A sesquiterpene alkaloid that is a macrolide incorporating a substituted dihydroagarofuran and a pyrindine ring. Isolated from Maytenus emarginata, it exhibits cytotoxicity against human KB cells.


A carbotricyclic compound that is tricyclo[6.3.1.0(2,5)]dodecane which is substituted by a hydroxy group at position 1 and by methyl groups at positions 4, 4, and 8 (the  1S,2R,5S,8R-diastereoisomer).


neothyonidioside

A triterpene glycoside obtained from the New Zealand and South Australian sea cucumber Australostichopus mollis.


EURYCOMANONE

A  quassinoid isolated from Eurycoma longifolia and has been shown to exhibit antineoplastic and antimalarial activties.


(11R)-dihydroartemisinic aldehyde

A sesquiterpenoid aldehyde, an intermedediate and reduction product from artemisinic aldehyde in the biosynthesis of artemisinin from artemisinic alcohol in Artemisia annua.


alpha-guaiene

A carbobicyclic compound and sesquiterpene that is 1,2,3,4,5,6,7,8-octahydroazulene which is substituted by methyl groups at positions 1 and 4 and by a (prop-1-en-2-yl group at position 7 (the 1S,4S,7R enantiomer).


cornusalterin I

A tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S)-lanosta-7,9(11),24-triene substituted by an oxo group at position 3 and a methoxy group at position 23. It has been isolated from the stem and stem barks of Cornus walteri.


ajubractin E

A  diterpenoid isolated from the aerial parts of Ajuga bracteosa.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man9Glc3GlcNAc2 branched tetradecasaccharide alpha-D-Glc-(1->2)-alpha-D-Glc-(1->3)-alpha-D-Glc-(1->3)-alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


A polyprenyl phospho oligosaccharide where alpha-D-FucNAc4-(1->4)-beta-D-ManNAcA-(1->4)-D-GlcNAc comprises the oligosaccharide component and is linked via a diphosphate to a polyprenyl chain consisting of eleven prenyl units.


citrifolinoside

An unusual iridoid monoterpenoid isolated from the leaves of Morinda citrifolia. It exhibits significant inhibition of UVB-induced Activator Protein-1 (AP-1) activity in cell cultures.


asprellic acid C

A pentacyclic triterpenoid that is the diester obtained by the global condensation of the hydroxy groups of (3beta)-3,27-dihydroxyolean-12-en-28-oic acid with trans-4-coumaric acid and cis-4-coumaric acid respectively. It is isolated from the dried leaves of Ilex asprella and exhibits significant toxicity against KB (epidermoid carcinoma of the nasopharynx) and RPMI-7951 (melanoma) cell lines.


A tricyclic diterpenoid isolated from the stem bark of  Fraxinus sieboldiana.


alpha-camphorene

A cycloalkene that is cyclohexene substituted by 2-methylpent-2-en-5-yl and 6-methylhepta-1,5-dien-2-yl groups at positions 1 and 4, respectively. It is a diterpene isolated from several plant species.


SANDARACOPIMARIC ACID

A pimarane diterpenoid that is (1S,4aS,4bS,7R,10aS)-1,4a,7-trimethyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydrophenanthrene carrying a carboxy group at position 1 and a vinyl group at position 7. It is a natural product found in several plant species.


A scalarane sesterterpenoid  that is 12-O-deacetyl-12-epi-19-deoxy-scalarin substituted by an additional hydroxy group at position 21. It has been isolated from the sponge, Hyattella species.


capsidiol 3-acetate

An acetate ester resulting from the formal condensation of the hydroxy group at position 3 of capsidiol with acetic acid. It is a phytoalexin produced by Nicotiana benthamiana against potato virus X.


A pentacyclic triterpenoid that is urs-12-ene substituted by a carboxy group at position 28, alpha-configured hydroxy groups at positions 2 and 19 and an oxo group at position 3. Isolated from the whole plants of Geum japonicum, it exhibits activity against HIV-1 protease.


sapintoxin D

A phorbol ester consisting of phorbol that is acylated at positions 12 and 13 by 2-(methylamino)benzoyl and acetyl groups respectively.


hastatoside

An iridoid monoterpenoid with formula C17H24O11 that is isolated from several plants including Verbena officinalis and exhibits a sleep-promoting effect.


ambrein

A triterpenoid alcohol that is a constituent of ambergris, an intestinal secretion of the sperm whale Physeter catodon.


dihydroserrulatene

A diterpene from Leucophyllum frutescens.


staphyloxanthin

A xanthophyll that is beta-D-glucopyranose in which the hydroxy groups at positions 1 and 6 have been acylated by an all-trans-2,6,10,15,19,23-hexamethyltetracosa-2,4,6,8,10,12,14,16,18,22-decaenoyl group and a 12-methyltetradecanoyl group, respectively. Staphyloxanthin is responsible for the characteristic yellow-golden colour which gives the bacterium Staphylococcus aureus its name.


WILFOLIC ACID C

A pentacyclic triterpenoid with formula C30H48O4, originally isolated from Tripterygium doianum.


paeoniflorin sulfonate

A monoterpene glycoside with formula C23H28O14S, originally isolated from the roots of Paeonia lactiflora.


A  diterpenoid that is 13,14,15,16-tetranorlabdane substituted  by hydroxy grousp at positions 8, 12 and 18. It has been isolated from the aerial parts of Crassocephalum mannii and has been shown to exhibit COX-1 and COX-2 activity.


sativene

A sesquiterpene that is octahydro-1H-1,4-methanoindene bearing methyl, isopropyl and methylene substituents at positions 4, 7 and 8 respectively (the 1R,3aS,4R,7R,7aR-isomer).


ditrans,polycis-polyprenol

A polyprenol in which all linkages of the isoprene units are cis, except for the two furthest from the hydroxy group which are trans.


LYSIKOKIANOSIDE 1

A triterpenoid saponin that is (3beta,16alpha)-13,28-epoxyoleanane-3,16-diol attached to a tetrasaccharide residue at position 3 via a glycosidic linkage. Isolated from aerial parts of Lysimachia clethroides, it exhibits antineoplastic activity.


ASPERGILLUSENE A

A sesquiterpenoid that is phenol substituted by a hydroxymethyl group at position 5 and a (2E)-6-methylhept-2-en-2-yl group at position 2. An Aspergillus metabolite isolated from the sea fan derived fungus Aspergillus sydowii.


cyathadiol

A tricyclic diterpenoid with formula C20H32O2.


A pentacyclic triterpenoid that is olean-12-ene substituted by an oxo substituent at position 3 and a beta-hydroxy group at position 21. Isolated from the root barks of Hippocratea excelsa, it exhibits antigiardial activity.


An N-acetyl-beta-D-mannosaminyl-(1->4)-N-acetyl-D-glucosaminyl undecaprenyl diphosphate in which the anomeric centre connected to the diphosphate group has alpha-configuration.


E-senegasaponin b

The E-isomer of senegasaponin b.


name: acetic acid [3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexenyl)nona-2,4,6,8-tetraenyl] ester


BICYCLOGERMACRENE

A sesquiterpene derived from germacrane by dehydrogenation across the C(1)-C(10) and C(4)-C(5) bonds and cyclisation across the C(8)-C(9) bond.


(+)-epicubenol

A carbobicyclic compound that is cis-decalin substituted by a propan-2-yl group at position 1, methyl groups at position 4 and 7, and a hydroxy group at position 4a, and containing a double bond between positions 7 and 8 (the 1R,4S,4aR,8aS diastereoisomer).


A pentacyclic triterpenoid that is lup-20(29)-ene substituted by hydroxy groups at positions 1 and 3 respectively (the 1beta,3alpha-stereoisomer). It has been isolated from Breynia fruticosa.


isogeraniol

A homoallylic alcohol that is 2,6-dimethylocta-2,5-diene in which a hydrogen of the methyl group at position 8 has been replaced by a hydroxy group.


HYPONINE F

A sesquiterpene alkaloid that is isolated from Tripterygium hypoglaucum.


The 5alpha,9beta,10alpha-diastereomer of copalyl diphosphate.


(-)-alpha-isocomene

A tricyclic sesquiterpene that is 1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene bearing four methyl substituents at positions 1, 3a, 4 and 5a.


epi-tulipinolide

A germacranolide with formula C17H22O4, originally isolated from Liriodendron tulipifera. It exhibits anti-cancer and anti-oxidant properties.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man9GlcNAc2 branched undecasaccharide alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


(-)-abscisic acid

The (1'R)-(-) enantiomer of abscisic acid, which does not occur naturally.


A  limonoid that is  epoxyazadiradione in which the acetyl group has been replaced by a benzoyl group. It has been isolated from Azadirachta indica.


soyasapogenol A 3-O-beta-glucuronide

A triterpenoid saponin that is the 3-O-beta-glucuronide of soyasapogenol A.


3-O-trans-p-coumaroyl actinidic acid

A pentacyclic triterpenoid that is the cinnamate ester obtained by the formal condensation of the carboxy group of trans-4-coumaric acid with the hydroxy group at position 3 of actinidic acid (the 2alpha,3beta stereoisomer). It is isolated from the roots of Actinidia arguta and exhibits inhibitory activity towards pancreatic lipase.


1-deoxy-11beta-hydroxypentalenic acid

A tricyclic sesquiterpenoid that is pentalenene in which the 13-methyl group is oxidsed to the carboxylic acid and a hydroxy substituent is located at position 11.


GORDONOSIDE M

A triterpenoid saponin that has 3,16-dihydroxyolean-12-en-28-oic acid as the aglycone. Isolated from the stems of Gordonia chrysandra, it exhibits a strong inhibitory effect on nitric oxide production.


An apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 6'-position.


prespatane

A carbotricyclic compound that is decahydrocyclobuta[1,2-a:3,4-a']dicyclopentene substituted by prop-1-en-2-yl, methyl and methyl groups at positions 1, 3a and 6, respectively (the 1S,3aS,3bR,6S,6aS,6bS-stereoisomer). It is a sesquiterpene initially isolated from the tropical marine sponge Cymbastela hooperi.


A 1,12-dialdehyde compound having double bonds in the 2-, 4-, 6-, 8-, and 10-positions and methyl substituents in the 4- and 9-positions.


PREAUSTINOID A

A  meroterpenoid  found in Penicillium rubrum.


ivain II

A diterpenoid isolated from the aerial parts of Ajuga bracteosa and has been shown to exhibit antifeedant activity.


AJUGANIPPONIN B

A  diterpene lactone isolated from the whole plants of Ajuga ciliata.


A limonoid isolated from Azadirachta indica.


A  triterpenoid saponin that is asiatic acid attached to a a beta-D-glucopyranosyl residue at position 3 and a alpha-L-rhamnopyranosyl-(1->2)-beta-D-glucopyranosyl residue at position 28. Isolated from the methanolic extract of the leaves of Symplocos lancifolia, it exhibits antibacterial activity.


dihydroartemisinic acid

A monocarboxylic acid that is propanoic acid substituted at position 2 by a (1S,4R,4aS,8aR)-4,7-dimethyl-1,2,3,4,4a,5,6,8a-octahydronaphthalen-1-yl group. It is a sesquiterpenoid precursor of the antimalarial drug, artemisinin.


cimifoetiside B

A triterpene glycoside that consists of cimigenol attached to a beta-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl moiety at position 3 via a beta-glycosidic linkage (the 23R,24S stereoisomer). It is isolated from the aerial parts of Cimicifuga foetida and exhibits significant immunosuppressive effect.


A retinoid that consists of all-trans-retinol having a hydroxy substituent at position 4 on the cyclohexenyl ring.


anisotanol D

A norsesquiterpenoid with formula C14H22O3. It is isolated from Anisodus tanguticus.


A tirucallane terpenoid isolated from Dysoxylum lenticellatum.


(+)-thalianatriene

A sesterterpene with formula C25H40 that is produced by a sesterterpene synthase gene from the plant Arabidopsis thaliana.


beta-acoradiene

A spiro compound that is 1,8-dimethyl-4-(prop-1-en-2-yl)spiro[4.5]decane that has been dehydrogenated to introduce a double bond at position 8-9 (the 1R,4S,5R isomer).


A tricyclic diterpenoid that is an intermediate in the biosynthesis of marrubiin by the medicinal plant Marrubium vulgare.


A polyprenyl phospho polysaccharide that consists of the polysaccharide 3-O-phospho-[2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-alpha-D-Man-(1->]n-(1->3)-alpha-D-Man-(1->3)-alpha-D-Man-(1->3)-alpha-D-GlcNAc linked via a diphospho group to ditrans,octacis-undecaprenol.


gibberellin A6

A C19-gibberellin, initially identified in Phaseolus coccineus and differing from gibberellin A1 by the conversion of the OH at C-2 (gibbane numbering) into an epoxide across C-2 and C-3.


A triterpene consisting of hopane having a C=C double bond at the 22(29)-position.


triptonine A

A  sesquiterpene alkaloid  with anti-HIV activity isolated from Tripterygium hypoglaucum.


sesquiterpenoid

Any terpenoid derived from a sesquiterpene. The term includes compounds in which the C15 skeleton of the parent sesquiterpene has been rearranged or modified by the removal of one or more skeletal atoms (generally methyl groups).


ocimene

A monoterpene based on an octatriene skeleton.


A carotenol obtained by formal dihydroxylation across the 15,15'-double bond of beta-carotene.


(R)-beta-himachalene

The (R)-enantiomer of beta-himachalene.


(-)-trans-pinocarveol

The (1S,3R,5S)-stereoisomer of pinocarveol.


(Z)-biformene

A diterpene that consists of a labdane skeleton with double bonds at C-8(17), C-12(13) and C-14 (the Z-isomer) and inversion of stereochemistry at the 5, 9 and 10 positions.


isonordoperoxide

A sesquiterpenoid that is 1,4,5,6,7,8-hexahydro-4,7-epidioxyazulen-3(2H)-one substituted by a hydroxy group at position 8, methyl groups at positions 1 and 4 and an isopropyl group at position 7 (the (1R,4R,7S,8S stereoisomer). Isolated from Nardostachys chinensis, it exhibits antimalarial activity.


A member of the class of carotenone that is echinenone carrying two additional hydroxy substituents at position 4'.


A sesquiterpenoid that is 1,2,3,3a,4,5,8,8a-octahydroazulene substituted by hydroxy groups, isopropyl and methyl groups at positions 1, 2, 1, 3a and 6 respectively. It is isolated from the culture broth of Gliocladium virens and exhibits antifungal activity.


AJUGACUMBIN A CHLOROHYDRIN

A diterpene lactone isolated from the whole plants of Ajuga ciliata.


hydropyrenol

A tetracyclic diterpenoid, isolated from Streptomyces avermitilis host carrying the sclav_p0765 gene.


zerumboneoxide

A sesquiterpenoid that is the 2, 3-epoxy derivative of zerumbone. Isolated from  Zingiber zerumbet, it exhibits inhibitory activity against nitric oxide synthase.


ajubractin A

A  diterpenoid isolated from the aerial parts of Ajuga bracteosa.


KALOPANAXSAPONIN C

A triterpenoid saponin with hederagenin as the aglycone part. It has been isolated from the stem bark of Kalopanax pictus.


A fenchone that has 1S,4R stereochemistry. A colourless, oily liquid found in fennel oil, it is used in perfumery and as flavour in foods.


myrtenic acid

A monoterpenoid that is 6,6-dimethylbicyclo[3.1.1]hept-2-ene substituted by a carboxy group at position 2.


luzonial A

An iridoid monoterpenoid that is hexahydro-1H-cyclopenta[c]furan substituted by hydroxy groups at positions 1 and 3a, a 3-oxopropen-2yl group at position 6 and a trans-4-coumaroyloxy moiety at position 4 (the 1S,3aS,4S,6S,6aS stereoisomer). Isolated from the leaves of Viburnum luzonicum, it exhibits antineoplastic activity.


GINSENOSIDE RC

A ginsenoside found in Panax ginseng that is dammarane which is substituted by hydroxy groups at the 3beta, 12beta and 20 pro-S positions, in which the hydroxy groups at positions 3 and 20 have been converted to the corresponding beta-D-glucopyranosyl-(1->2)-beta-D-glucopyranoside and alpha-L-arabinofuranosyl-(1->6)-beta-D-glucopyranoside respectively, and in which a double bond has been introduced at the 24-25 position.


mollebenzylanol B

A diterpenoid isolated from the leaves of Rhododendron molle.


michaolide F

A cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae.


A tricyclic sesterterpene with formula C25H40 that is obtained from Aspergillus stellatus.


myrcenol

A monoterpenoid that is oct-7-en-2-ol substituted by a methyl group at position 2 and a methylidene group at position 6 respectively.


cornusalterin F

A tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S)-lanosta-2,7-dien-1-one substituted by an oxo group at position 1.  It has been isolated from the stem and stem barks of Cornus walteri.


A 6-isopropenyl-4,4a-dimethyl-2,3,4,4a,5,6,7,8-octahydronaphthalen-2-ol that is (-)-4-epi-eremophilene in which the 2-pro-R hydrogen has been replaced by a hydroxy group.


A  quassinoid that is the 3,15-di-O-acetyl derivative of bruceolide. It has been isolated from  Brucea javanica and Brucea sumatrana.


(R)-(+)-perillyl alcohol

A perillyl alcohol in which the chiral centre has R configuration.


A  cembrane diterpenoid that is cembra-1E,3E,7E,11Z,15-pentaen-20,10-olide substituted by a methoxy group at position 5. It has been isolated from the leaves of Croton gratissimus.


The pentacyclic triterpenoid that is the 11-oxo derivative of beta-amyrin.


(+)-DELTA-CADINENE

A member of the cadinene family of sesquiterpenes in which the double bonds are located at the 4-4a and 7-8 positions, and in which the isopropyl group at position 1 is cis to the hydrogen at the adjacent bridgehead carbon (the 1S,8aR-enantiomer).


YUNACONITINE

A diterpene alkaloid with formula C35H49NO11 that is isolated from several Aconitum species.


edaxadiene

A bicyclic halimane-type diterpenoid produced by the pathogen Mycobacterium tuberculosis as a defense against macrophage attack. The structure was revised in 2010, having been initially thought to be tricyclic. The compound was originally named nosyberkol after it was first isolated in 2004 from a sponge, Raspailia sp., collected from the Nosy Be island of Madagascar.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man8GlcNAc2 branched decasaccharide alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


gypsosaponin A

A triterpenoid saponin with quillaic acid as the aglycone species. It is isolated from the roots of Gypsophila oldhamiana and exhibits inhibitory activity against pancreatic lipase.


pseudolaratriene

A bicyclic diterpene that is 1,2,3,3a,4,5,8,8a-octahydroazulene carrying two methyl substituents at positions 6 and 8a as well as a 6-methylhepta-2,5-dien-2-yl at position 3. The relative stereochemistry has been assigned tentatively.


A polyprenyl glycosyl phosphate consisting of the heptasaccharide [alpha-D-GalNAc-(1->4)]2-[beta-D-Glc-(1->3)]-[alpha-D-GalNAc-(1->4)]2-alpha-D-GalNAc-(1->3)-alpha-D-diNAcBac linked via a diphospho group to tritrans,heptacis-undecaprenol.


beta-curcumene

A sesquiterpene that is alpha-curcumene in which the p-tolyl group has been reduced to a 4-methylcyclohexa-1,4-dien-1-yl group.


8-oxocitronellyl enol

An alpha,beta-unsaturated aldehyde that is octa-2,7-dienal which is substituted by a hydroxy group at position 8, methyl groups at positions 2 and 6, and in which both double bonds have E configuration.


dihydrocarveol

A p-menthane monoterpenoid that is the dihydro derivative of  carveol.


shionone

A tetracyclic triterpenoid that is perhydrochrysene which is substituted by methyl groups at positions 1, 4bbeta, 6aalpha, 8beta, 10abeta and 12a positions, by a 4-methylpent-3-enyl group at the 8alpha position, and with an oxo group at position 2.


PERILLYL ALCOHOL

A perillyl alcohol in which the chiral centre has S configuration.


ALPHA-TERPINENE

One of three isomeric monoterpenes differing in the positions of their two double bonds (beta- and gamma-terpinene being the others). In alpha-terpinene the  double bonds are at the 1- and 3-positions of the p-menthane skeleton.


3,21-dioxoolean-18-en-28-oic acid

A pentacyclic triterpenoid that is olean-18-ene substituted by a carboxy group at position 28 and oxo groups at positions 3 and 21 respectively. Isolated from the leaves of Acacia aulacocarpa, it exhibits inhibitory activity against Tie2 kinase (EC 2.7.10.1) as well as modest activity against a variety of cultured mammalian cells.


sesquarterpene

Any terpene having a 35-carbon skeleton.


A polyprenyl glycosyl diphosphate having N-acetyl-alpha-D-glucosamine as the glycosyl fragment.


cucurbitacin J

A  cucurbitacin that is 9,10,14-trimethyl-4,9-cyclo-9,10-secocholesta-2,5-diene substituted by hydroxy groups at positions 2, 16, 20, 24 and 25 and oxo groups at positions 1, 11 and 22.


bisanhydrobacterioruberin

A C50 carotenoid that is an intermediate in the biosynthesis of bacterioruberin, a red-coloured pigment found in several Halobacterium and Haloarcula species.


trichagmalin F

A limonoid with a phragmalin skeleton isolated from the leaves of Trichilia connaroides.


gibberellin A4 methyl ester

A gibberellin ester that is the methyl ester of gibberellin A4.


henicosaprenyl diphosphate

A polyprenol diphosphate compound having twenty-one prenyl units with undefined stereochemistry about the double bonds.


glycan G10599

A dolichyl diphosphooligosaccharide compound consisting of a branched tridecasaccharide attached to the dolichyl chain via a diphosphate linkage.


nolinospiroside F

A spirostanyl glycoside that is isolated from Ophiopogon japonicus and exhibits antioxidant properties.


ophiobolin F

A sesterterpenoid that is (7Z)-ophiobola-7,19-diene carrying a hydroxy substituent at position 3.


benzoylaconine

A diterpene alkaloid with formula C32H45NO10 that is isolated from several Aconitum species.


spirilloxanthin

A carotenoid ether that is (3E,3'E)-1,1'-dihydroxy-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-psi,psi-carotene in which both hydroxyl hydrogens are replaced by methyl groups.


virgatic acid

A pentacyclic triterpenoid that is olean-12-ene substituted by a carboxy group at position 28, a beta-hydroxy group at position 3 and an oxo group at position 1. It has been isolated from Juglans sinensis.


DIHYDROCELASTROL

A pentacyclic triterpenoid with formula C29H40O4, originally isolated from the root bark of Tripterygium regelii.


DAPHNETOXIN

A daphnane-type orthoester diterpene with potential cholesterol-lowering activity, found exclusively in plants of the family Thymelaeaceae.


NALANTHALIDE

A pyranone diterpenoid isolated from Nalanthamala and Chaunopycnis alba and has been shown to be a blocker of the voltage-gated potassium channel Kv1.3


glochidonol

A  pentacyclic triterpenoid that is lup-20(29)-ene substituted by a beta-hydroxy group at position 1 and an oxo group at position 3. It has been isolated from Breynia fruticosa.


ASCOCHLORIN

A dihydroxybenzaldehyde that is 2,4-dihydroxybenzaldehyde which is substituted by a (1E,3E)-3-methyl-1-[(1R,2R,6R)-1,2,6-trimethyl-3-oxocyclohexyl]penta-1,3-dien-5-yl group at position 3, chlorine at position 5, and a methyl group at position 6. A meroterpenoid produced by several fungi including Ascochyta viciae . It exhibits anticancer, antifungal and antiprotozoal activities.


caribenol A

A terpene lactone that is 3,4,5,5a,6,7,7a,10,10a,10b-decahydro-2H-1-oxabenzo[cd]cyclopenta[h]azulen-2-one substituted by a hydroxy group at position 10b and methyl groups at positions 3, 6, 9 and 10a. It is isolated from the West Indian gorgonian octocoral Pseudopterogorgia elisabethae and exhibits antitubercular and antimalarial activity.


absinthin

A dimeric sesquiterpene lactone that is produced by the plant Artemisia absinthium (Wormwood). The bitter tasting constituent of Absinthe.


echinenone

A  carotenone that is beta-carotene in which the 4 position has undergone formal oxidation to afford the corresponding ketone. Isolated as orange-red crystals, it is widely distributed in marine invertebrates.


A  lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


ARDISIANOSIDE C

A triterpenoid saponin that is composed of (3beta,16alpha)-13,28-epoxyoleanane-3,16-diol having a alpha-L-Rhap-(1->2)-beta-D-Glcp-(1->4)-alpha-L-Arap moiety attached at position 3 by a glycosidic linkage. It is isolated from the whole plants of Ardisia japonica and exhibits significant cytotoxicity against a panel of human cancer cell lines.


michaolide B

A cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae.


(+)-menthol

A p-menthan-3-ol which has (1S,2R,5S)-stereochemistry. In contrast to (-)-menthol, the (+)-enantiomer occurs only rarely in nature.


geranylgeraniol

A diterpenoid that is hexadeca-2,6,10,14-tetraene substituted by methyl groups at positions 3, 7, 11 and 15 and a hydroxy group at position 1.


Sesterviolene A

A sesterterpene that is produced by a sesterterpene synthase from Streptomyces violens


Sesterviridene A

A sesterterpene that is produced by a sesterterpene synthase from Kitasatospora viridis.


A triterpenoid saponin that is composed of primulagenin A having a alpha-L-rhamnopyranosyl-(1->2)-beta-D-glucopyranosyl-(1->4)-[beta-D-glucopyranosyl-(1->2)]-alpha-L-arabinopyranosyl moiety attached to position 3 by a glycosidic linkage. It is isolated from the whole plants of Ardisia pusilla and exhibits cytotoxic activity against human gliboblastoma U251MG cells.


A cembrane diterpenoid that is cembra-2E,8-(19),11Z-trien-20,10-olide substituted by hydroxy groups at positions 1, 4 and 8. It has been isolated from the leaves of Croton gratissimus.


isoelisabethatriene

A carbobicylic compound that is 1,2,3,4,5,6-hexahydronaphthalene which is carrying a (6S)-2-methylhept-2-en-6-yl group at position 1 and methyl groups at positions 4R and 7.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


quassimarin

A quassinoid isolated from Quassia amara and Leitneria floridana and has been shown to exhibit antitumour activity.


RUBIYUNNANOL B

A pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis.


A  triterpenoid saponin that is the carboxylic ester obtained by the formal condensation of the carboxy group of arjunolic acid with  beta-D-glucopyranose. It has been isolated from Juglans sinensis.


11-cis-retinoic acid

The 11-cis-isomer of retinoic acid.


subrutilene G

A sesterterpene produced in the bacterium Streptomyces subrutilus.


spirolaurenone

A spirocyclic sesquiterpenoid that is isolated from the red alga Laurencia glandulifera.


dolabradiene

A carbotricyclic compound and diterpene that is tetradecahydrophenanthrene which is substituted by a methylene group at position 1, methyl groups at positions 4b, 7, and 10a, and a vinyl group at position 7 (the 4aS,4bR,7S,8aR,10aS stereoisomer).


verlotorin

A germacranolide isolated from Laurus nobilis L.


dolichodial

A dialdehyde that is cyclopentanecarbaldehyde substituted by a methyl group at position 2 and a 3-oxo-prop-1-en-2yl group at position 5. It has been found to occur in pheromones of insects such as aphids.


Compound 524 in Scheme 3 from pmid:30468448. Produced by the same enzyme that produces CHEBI:144560


PORICOIC ACID A

A tricyclic triterpenoid isolated from Poria cocos.


(-)-beta-chamigrene

The (6R)-enantiomer of beta-chamigrene.


oleuropein aglycone

A secoiridoid that is the methyl ester of 3,4-dihydro-2H-pyran-5-carboxylic acid which is substituted at positions 2, 3, and 4 by hydroxy, ethylidene, and carboxymethyl groups, respectively and in which the carboxylic acid moiety of the carboxymethyl substituent has been converted to the corresponding 3,4-dihydroxyphenethyl ester (the 2R,3E,4S stereoisomer). The most important phenolic compound present in olive cultivars.


(-)-delta-cadinol

A cadinane sesquiterpenoid that consists of 1,6-dimethyl-4-(propan-2-yl)-1,2,3,4,4a,7,8,8a-octahydronaphthalene having a hydroxy substituent at position 1 and (1R,4S,4aR,8aS)-configuration.


AGLAIABBREVIATIN A

A  tetracyclic triterpenoid isolated from the stems of Aglaia abbreviata.


alpha-seco-amyrin

A triterpenoid that is (2S)-1,2,3,4,4a,5,8,8a-octahydronaphthalen-2-ol substituted by methyl groups at the 1, 1, 4a, and 6 positions and substituted at position 5 by a 2-[(4aR,7R,8S,8aR)-2,4a,7,8-tetramethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]ethyl group.


A hopanoid that is hopane substituted by an acetoxy group at position 29.


taxine B

A diterpene alkaloid and potent cardiotoxin that is found in the leaves and berries of the European yew (Taxus baccata).


A fenchone that has (1R,4S)-stereochemistry. It is a constituent of the essential oils obtained from fennel.


scutebarbatine E

A diterpene alkaloid of group of neo-clerodanes isolated from the whole plants of Scutellaria barbata and has been shown to exhibit neoplastic activity.


HYPONINE E

A sesquiterpene alkaloid that is isolated from Tripterygium hypoglaucum.


forskoditerpenoside E

A diterpene glycoside that is labd-14-en-11-one substituted by beta-acetoxy group at position 6, an epoxy group between positions 8 and 13 and a beta-D-glucopyranosyloxy group at position 1 (the 1alpha stereoisomer). Isolated from the whole plant of Coleus forskohlii, it shows relaxative effects on isolated guinea pig tracheal spirals in vitro.


FATSICARPAIN C

A pentacyclic triterpenoid that is oleana-11,13(18)-diene substituted by a alpha-hydroxy group at position 3, an oxo group at position 23 and a carboxy group at position 28. Isolated from the leaves and twigs of Fatsia polycarpa, it exhibits anti-HBV activity.


A limonoid that is 20,21,22,23-tetrahydroazadirone substituted by an additional oxo group at position 23. It has been isolated from Azadirachta indica.


rotundifolioside H

A triterpenoid saponin that consists of urs-11-ene substituted by an epoxy group across positions 13 and 28, a hydroxy groups at position 16 and 23 and a beta-D-xylopyranosyl-(1->2)-beta-D-glucopyranosyl-(1->2)-beta-D-fucopyranosyloxy group at position 3 (the 3beta,16alpha stereoisomer). Isolated from the fruits of Bupleurum rotundifolium, it exhibits antiproliferative activity against cancer cells.


lansioside A

A triterpene glycoside isolated from the fruit peels of Lansium domesticum and has been shown to exhibit inhibitory activity against leukotriene.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


A  tricyclic diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


p-menthadiene

A monoterpene that consists of an unsaturated p-menthane skeleton having two double bonds.


An apo carotenoid triterpenoid that is tetracosane containing double bonds at the 2-3, 6-7, 8-9, 10-11, 12-13, 14-15, 16-17, 18-19, and 22-23 positions, and substituted by methyl groups at positions 2, 6, 10, 15, 19, and 23.


dehydroeburiconic acid

A tetracyclic triterpenoid that is lanost-8-en-21-oic acid substituted by a methylidene group at position 24 and an oxo group at position 3. It has been isolated from Poria cocos.


A germacrane sesquiterpenoid that is germacra-1(10),4-diene carrying an additional hydroxy substituent at position 11.


caribenol B

A cyclic terpene ketone that is 2a,3,4,5,5a,6,7,8-octahydroacenaphthylen-1(2H)-one substituted by hydroxy groups at positions 2 and 2a, methyl groups at positions 2, 5 and 8 and a 2-methylprop-1-en-1-yl group at position 3. It is isolated from the the West Indian gorgonian octocoral Pseudopterogorgia elisabethae and exhibits antitubercular and antimalarial activity.


juvenile hormone

A family of farnesane sesquiterpenoids that regulate many aspects of insect physiology.


subrutilene B

A sesterterpene produced in the bacterium Streptomyces subrutilus.


A terpene lactone that is oxepan-2-one bearing an isopropenyl substituent at position 4 as well as hydroxy and methyl substituents at position 7.


A hopanoid that is hop-22(29)-ene substituted by an acetoxy group at position 3 and a hydroxy group at position 15 (the 3beta,15alpha-stereoisomer). It has been isolated from Hypocrella species.


An abietane diterpenoid that is ferruginol in which a hydrogen of the bridgehead methyl group and the hydrogen ortho to the phenolic hydroxy group have both been replaced by hydroxy groups.


abietadiene

A diterpene consisting of abietane having two C=C double bonds at unspecified positions.


astragaloside II

A triterpenoid saponin that is cycloastragenol glycosylated at positions 3 and 6 by 2-O-acetyl-beta-D-xylosyl and beta-D-glucosyl residues respectively.


clethroidoside G

A triterpenoid saponin that is (3beta,16alpha)-3,16-dihydroxy-12-oxooleanan-28-al attached to a beta-D-glucopyranosyl-(1->2)-[beta-D-glucopyranosyl-(1->4)]-alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage. It has been isolated from the aerial parts of Lysimachia clethroides.


LAMESTICUMIN D

A triterpenoid of the class of onoceranoid-type terpenoids isolated from the twigs of Lansium domesticum.


NERYL ACETATE

An acetate ester resulting from the formal condensation of the hydroxy group of nerol with the carboxy group of acetic acid.


lathyrane diterpenoid

Any tricyclic diterpenoid with a 11-membered macrocycle fused to a cyclopropane ring. They are commonly isolated from the plant species of the family Euphorbiaceae and have been found to exhibit cytotoxic and anti-inflammatory activities.


A 3beta-hydroxy-4alpha-formyl-4beta-methylsteroid that is 9beta-9,19-cyclolanost-24-ene-3beta,28-diol in which the hydroxy group at position 28 has been oxidised to the corresponding aldehyde.


alpha-cubebene

A tricyclic sesquiterpene with formula C15H24, isolated from Hungarian thyme, citrus fruit, chamomile, and several other flowering plants.


ascofuranol

A dihydroxybenzaldehyde that is 2,4-dihydroxybenzaldehyde which is substituted by a {(2E,6E)-7-[(2S,4S)-4-hydroxy-5,5-dimethyltetrahydrofuran-2-yl]-3-methylocta-2,6-dien-1-yl} group at position 3, chlorine at position 5, and a methyl group at position 6. A meroterpenoid produced by various filamentous fungi, including Acremonium egyptiacum.


BREYNCEANOTHANOLIC ACID

A triterpenoid of the nor-ceanothane-type isolated from the roots of Breynia fruticosa and has been shown to exhibit cytotoxicity against human cancer cell lines.


combretanone A

A pentacyclic triterpenoid that is 9beta,19-cyclolanostane substituted by an oxo group at position 3 and hydroxy groups at positions 7, 23R*, 24R* and 25. It has been isolated from the leaves of Combretum quadrangulare.


all-trans-hexaprenol

A long-chain primary fatty alcohol that is the all-trans-isomer of hexaprenol.


delta-araneosene

A diterpene.


15-acetyltrichagmalin C

A limonoid with a phragmalin skeleton isolated from the leaves of Trichilia connaroides.


variediene

A tricyclic diterpene that was initially produced by a chimeric terpene synthase gene found in the fungus Emericella variecolor which was heterologously expressed in Aspergillus oryzae.


A phytofluene having (E)-double bonds at the 6-, 12-, 14-, 18-, 22- and 26 positions and (Z)-double bonds at the 10- and 16-positions.


A hopanoid that consists of hop-22(29)-ene carrying an additional methyl substituent at the 2beta-position.


tetracyclic triterpenoid

Any triterpenoid consisting of a tetracyclic skeleton.


glochierioside A

A triterpenoid saponin that is 3beta,16beta,28-trihydroxyolean-12-ene substituted by a beta-benzoyloxy group at position 22 and a 3-O-(beta-D-glucopyranosyl)-alpha-L-arabinopyranosyl  group at position 3 via a glycosidic linkage. Isolated from Glochidion eriocarpum, it exhibits cytotoxicity against human cancer cell lines.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


stellatic acid

A sesterterpenoid with formula C25H38O2 which is isolated from the fungus Emericella variecolor.


baccharis oxide

A pentacyclic triterpenoid that is perhydrochrysene which is substituted by methyl groups at positions 1, 1, 4bbeta, 6aalpha, 8beta and 10abeta positions, by a 4-methylpent-3-enyl group at the 8alpha position, and with a beta-oxygen bridge between the 2 and the 4a positions.


A heterobicyclic compound that is costunolide in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group.


isobornyl formate

A bornane monoterpenoid that is isoborneol in which the hydroxy hydrogen has been replaced by a formyl group.


DEACETYLNIMBIN

A limonoid that is nimbin in which the acetyloxy group at position 6 is replaced by a hydroxy hroup. It has been isolated from Azadirachta indica.


cassaidine

A tricyclic diterpenoid that is is isolated from several plant species including Erythrophleum guineense and Erythrophleum ivorense. It is toxic with a digitalis like effect on the heart and a strong local anesthetic action.


beta-D-mannosyl decaprenyl phosphate

A polyprenyl glycosyl phosphate that is 1-O-phosphono-beta-D-mannopyranose in which one of the hydroxy groups of the phosphate is substituted by a [(2Z,6Z,10Z,14Z,18Z,22Z,26Z,30Z,34E)-3,7,11,15,19,23,27,31,35,39-decamethyltetraconta-2,6,10,14,18,22,26,30,34,38-decaen-1-yl]oxy group.


A bicyclic diterpene consisting of 2,3,5,6,9,10,13,13a-octahydro-1H-benzo[11]annulene carrying five methyl substituents at positions 3, 3, 7, 11 and 13a.


gibberellin A61

A C19-gibberellin, initially identified in Triticum aestivum; it differs from gibberellin A1 in the absence of OH groups at C-2 and C-7 (gibbane numberings).


A hydrocarbyladenosine in which adenosine is substituted at N-6 by an isopentenyl group.


9-deoxy-hymatoxin A

An organic heterotetracyclic compound that is isopimarane in which a hydrogen at position 2 of the 13-ethyl substituent has been replaced by a (sulfooxy) group, a double bond has been introduced at the 7-8 position, and the beta-methyl group at position 4 has been oxidised to the corrsponding carboxy group and coupled to position 6 to give a gamma-lactone. Isolated from an avendophytic fungus, Xylaria sp. YM 311647, obtained from Azadirachta indica, it shows potent inhibitory activity against C. albicans and Pyricularia oryzae.


An ent-kaurane diterpenoid that is ent-kaur-16-en-18-oic acid substituted by a beta-L-3',5'-diacetoxy-arabinofuranosyl moiety at position 18 via a glycosidic linkage. It is isolated from the whole herb of Sagittaria pygmaea and exhibits antibacterial activity against the oral pathogens.


rediocide G

A diterpenoid of the class of daphnane-type terpenes. Isolated from Trigonostemon reidioides, it exhibits cytotoxicity against various cancer cell lines.


15-hydroxyajubractin C

A diterpenoid isolated from the aerial parts of Ajuga bracteosa.


trichagmalin C

A limonoid with a phragmalin skeleton isolated from the leaves of Trichilia connaroides.


rubixanthin

A carotenol that is a natural xanthophyll pigment. It was formerly used as a food colourant (E161d), but approval for this purpose has been withdrawn throughout the European Union.


A taxane diterpenoid that is paclitaxel which is lacking the N-benzoyl group. It is a biosynthetic precursor of paclitaxel.


1,30-diacetyltrichagmalin F

A  limonoid that is the 1,30-diacetyl derivative of trichagmalin F. It has been isolated from Trichilia connaroides.


A 6-hydroxycamphor that is (+)-camphor bearing a 6-endo-hydroxy substituent.


15-epi-lupulin B

A diterpenoid isolated from the aerial parts of Ajuga bracteosa and has been shown to exhibit antifeedant activity.


CUCURBITACIN R

A 23,24-dihydrocucurbitacin in which a lanostane skeleton is multi-substituted with hydroxy, methyl and oxo substituents, with unsaturation at position 5.


rebaudioside B

A rebaudioside that is steviol in which the hydroxy group is replaced by a beta-D-glucopyranosyl-(1->2)-[beta-D-glucopyranosyl-(1->3)]-beta-D-glucopyranosyl group.


trans,polycis-decaprenyl phosphate

A polyprenol phosphate having ten prenyl units in the chain (the 2Z,6Z,10Z,14Z,18Z,22Z,26Z,30Z,34E-isomer)


A 4,4'-diapophytoene in which the double bond at position 15 has Z- (cis-) geometry, while those at positions 9, 13, 9' and 13' have E- (trans-) geometry.


gibberellin A98

A C20-gibberellin that is tha lactone form of gibberellin A15 carrying two additional hydroxy substituents at positions 3 and 7.


germacrane

The fundamental parent of a class of sesquiterpenes with a structure based upon a cyclodecane ring substituted with an isopropyl and two methyl groups.


CARDIVIN D

A germacranolide isolated from the aerial parts of Carpesium divaricatum. It exhibits cytotoxicity against the human tumor cells, A-549 (nonsmall cell lung), SK-OV-3 (ovary), SK-MEL-2 (skin), XF-498 (central nervous system) and HCT-15 (colon).


artabsin

A tricyclic sesquiterpene lactone found in wormwood.


(+)-delta-cadinol

A cadinane sesquiterpenoid that consists of 1,6-dimethyl-4-(propan-2-yl)-1,2,3,4,4a,7,8,8a-octahydronaphthalene having a hydroxy substituent at position 1 and (1S,4R,4aS,8aR)-configuration.


SANTAMARIN

A sesquiterpene lactone of the eudesmanolide group.


saikosaponin C

A member of the class of saikosaponins that is saikogenin E substituted by a 6-deoxy-alpha-L-mannopyranosyl-(1->4)-[beta-D-glucopyranosyl-(1->6)]-beta-D-glucopyranosyl group at position 3beta. It is a natural product isolated from the traditional Chinese herb, Radix Bupleuri and exhibits anti-HBV replication activity.


A  hopanoid that is hopane substituted by hydroxy groups at positions 7, 15 and 22 respectively (the 7beta,15alpha-stereoisomer). It has been isolated from Hypocrella species.


(+)-alpha-phellandrene

The (5S)-stereoisomer of alpha-phellandrene (5-isopropyl-2-methylcyclohexa-1,3-diene).


hemiterpene

A C5 terpene.


An undecaprenyldiphospho-N-acetylmuramoyl peptide in which the peptide moiety is L-alanyl-D-isoglutaminyl-N(6)-glycyl-L-lysyl-D-alanyl-D-alanine.


Euphorbia diterpenoid 3

A tetracyclic diterpenoid isolated from the whole plant of Euphorbia decipiens and exhibits inhibitory activity against prolyl endopeptidase (EC 3.4.21.26).


An alpha-D-Glc-(1->3)-alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc(PP-Dol) in which the anomeric centre has alpha-configuration.


gibberellin A2

A C19-gibberellin, initially identified in Gibberella fujikuroi; it differs from gibberellin A1 in the absence of an OH group at C-7 and the substitution of the methylidene grouping at C-8 by alpha-OH and beta-Me groups (gibbane numberings).


DIANVERSICOSIDE E

A pentacyclic triterpenoid saponin isolated from the aerial parts of Dianthus versicolor. It has been shown to exhibit cytotoxic activity against a panel of cancer cell lines.


KHEKADAENGOSIDE K

A triterpenoid saponin isolated from Machilus yaoshansis.


isotrichodermol

A trichothecene mycotoxin produced by Fusarium graminearum. It is a biosynthetic precursor in the synthesis of T2-toxin.


secoxyloganin

A secoiridoid glycoside that is [(2R,3R,4S)-2-hydroxy-5-(methoxycarbonyl)-3-vinyl-3,4-dihydro-2H-pyran-4-yl]acetic acid in which the anometric hydroxy group has been converted to the corresponding beta-D-glucoside. It has been isolated from several plant species and exhibits antioxidant and anti-allergic properties.


A  lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


methyl lansiolate

A triterpenoid that is the methyl ester of lansiolic acid. It has been isolated from the twigs of Lansium domesticum.


all-trans-heptaprenyl diphosphate

An all-trans-polyprenyl diphosphate composed from seven isoprenyl units.


culmorin

A sesquiterpenoid fungal metabolite isolated from Fusarium culmorum.


YADANZIOLIDE U

A  quassinoid that is picras-3-ene substituted by hydroxy groups at positions 1, 11, 12 and 15, oxo groups at positions 2 and 16 and a beta-D-glucopyranosyloxy residue at position 21. It has been isolated from he ethanol extract of the stem of Brucea mollis.


neoeuonymine

A sesquiterpene alkaloid that is isolated from Euonymus Sieboldiana.


michaolide I

A cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae.


geranyl diphosphate

The diphosphate of the polyprenol compound geraniol.


nonaflavuxanthin

A C45 carotenoid that is an intermediate in the biosyntheses of decaprenoxanthin by Corynebacterium glutamicum and gamma-cyclic sarcinaxanthin by Micrococcus luteus.


A diterpene consisting of taxane having two C=C double bonds at the 4(5)- and 11(12)-positions.


A polyprenyl glycosyl phosphate consisting of beta-D-erythro-pentofuranosid-2-ulose attached at the 1-position to trans,octacis-decaprenyl phosphate.


cycloastragenol

A sapogenin that is the aglycone derivative of astragaloside IV, a major saponin extracted from the root of Astragalus membranaceus.


A scalarane sesterterpenoid that is 12-epi-deoxoscalarin in which the acetoxy group at position 12 is replaced by a hydroxy group while the hydroxy group at position 19 is replaced by a methoxy group. It has been isolated from the sponge, Hyattella species.


(+)-alpha-curcumene

An alpha-curcumene that has S configuration at the chiral centre.


An undecaprenyldiphospho-N-acetylmuramoyl peptide in which the peptide element is L-alanyl-D-gamma-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine.


A lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


oryzalexin E

A tricyclic diterpenoid that is ent-sandaracopimaradiene bearing two additional hydroxy substituents at the 3alpha- and 9beta-positions.


subrutilane

A sesterterpene produced by subrutilane synthase from the bacterium Streptomyces subrutilus.


(+)-beta-phellandrene

A beta-phellandrene in which the chiral centre has S configuration.


beta-hibitakanine

A benzoate ester resulting from the formal condensation of the carboxy group of 3,5-dimethoxybenzoic acid with the hydroxy group of (-)-borneol.


antheraxanthin

An  epoxycarotenol that is beta-carotene-3,3'-diol in which one of the one of the endocyclic double bonds has been oxidised to the corresponding epoxide. It is a neutral yellow plant pigment found in Euglenophyta.


A triterpenoid saponin of the class of cucurbitane glycosides isolated from Machilus yaoshansis.


An apo carotenoid triterpenoid that is 4,4'-diapolycopene in which one of the terminal methyl groups has been replaced by a formyl group.


beta-nimolactone

A limonoid found in Azadirachta indica.


lycoxanthin

A carotenol that is  carotenol psi,psi-carotene substituted by a hydroxy group.


A germacrane sesquiterpenoid derived from germacrane by dehydrogenation between the 1-10, 4-5, and 11-13 positions, and by oxidation of the methyl group at position 12 to the corresponding carboxylic acid.


casbene

A diterpene comprising bicyclo[12.1.0]pentadeca-2,6,10-triene having three methyl substituents located at the 3-, 7- and 11-positions as well as gem-dimethyl groups at the 15-position.


AGLAIABBREVIATIN D

A tetracyclic triterpenoid (dammarane type) isolated from the stems of Aglaia abbreviata.


pentadecaprenyl diphosphate

A polyprenol diphosphate compound having fifteen prenyl units with undefined stereochemistry about the double bonds.


brachialactone

A tetracyclic diterpenoid with formula C20H30O4. It is a nitrification inhibitor isolated from root exudates of Brachiaria humidicola.


OPLODIOL

A carbobicyclic compound that is 1,2,3,4,4a,5,8,8a-octahydronaphthalene which is substituted by hydroxy groups at positions 1 and 4, an isoopropyl group at position 7, and by  methyl groups at positions 1 and 4a (the 1S,4R,4aR,8aR isomer). A sesquiterpenoid plant metabolite.


A squalene triterpenoid obtained by formal epoxidation across the 2,3 C=C bond of squalene.


thiogeraniol

A thiol that is geraniol in which the hydroxy group has been replaced by a thiol group.


klymollin E

An eunicellin diterpenoid isolated from the soft coral Klyxum molle.


cumingianoside B

A triterpenoid saponin that is 13,30-cyclodammarane-3,7,23,24,25-pentol esterified to the corresponding acetate at position 3 and attached to a beta-D-glucopyranosyl residue at position 7 via a glycosidic linkage. Isolated from Dysoxylum cumingianum, it exhibits antileukemic activity.


gummiferaoside B

A triterpenoid saponin isolated from the roots of of the Madagascan plant Albizia gummifera and has been shown to exhibit cytotoxicity against human ovarian cancer cell line.


A diterpene glycoside that is isopimar-7-en-19-oic acid attached to a alpha-D-mannopyranosyloxy residue at position 16. It has been isolated from the fungus, Xylaria species.


A polyprenyl phospho oligosaccharide consisting of the tetrasaccharide alpha-D-mannosyl-(1->3)-alpha-D-mannosyl-(1->3)-alpha-D-mannosyl-(1->3)-N-acetyl-alpha-D-glucosamin linked via a diphospho group to ditrans,polycis-undecaprenol.


7-deoxyloganetic alcohol

A cyclopentapyran that is (4aS,7aR)-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran substituted at position 1 by a hydroxy group and at positions 4 and 7 by a hydroxymethyl and methyl group, respectively (the 1R,4aS,7S,7aR-diastereomer).


DEMETHYLCRYPTOJAPONOL

An abietane diterpenoid that is sugiol in which the hydrogen ortho to the phenolic hydroxy group has been replaced by a hydroxy group.


CORNUSALTERIN K

A  tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S)-lanost-5-ene substituted by an oxo group at position 3 and a beta-hydroxy group at position 1.


botryosphaerin H

A tetracyclic diterpenoid that is decahydro-4H,9H-[2]benzofuro[7,1-fg]isochromene-4,9-dionewhich is substituted by methyl groups at the 3a and 10b positions and by hydroxy groups at the 6 and 6a positions. A tetranorlabdane diterpenoid isolated from isolated from the solid fermentation products of Botryosphaeria sp. P483 that exhibits antifungal activity.


A sesquiterpenoid that is (1E,4E,8E)-alpha-humulene which is substituted by a hydroxy group at the carbon atom attached to two double bonds (position 8).


A  pentacyclic triterpenoid isolated from the leaves of  Garcia parviflora.


A diterpene derived from pimarane by dehydrogenation across the  C(8)-C(14) and C(15)-C(16) bonds


8-epiiridodial lactol

A lactol that is (+)-iridodial lactol in which the configuration of the carbon at position 7 is inverted from S to R.


all-trans-polyprenyl diphosphate

A polyprenol diphosphate of unspecified chain-length with all double bonds having (E)-configuration.


KLYMOLLIN B

An eunicellin diterpenoid isolated from the soft coral Klyxum molle. It is the C-7 epimer of Klymollin A.


(-)-endo-fenchol

A fenchane monoterpenoid that is bicyclo[2.2.1]heptane substituted by methyl groups at positions 1, 3 and 3 and a hydroxy group at position 2 (the 1S,2S,4R stereoisomer).


A  tirucallane triterpenoid found in Dysoxylum lenticellatum.


samaderine Y

A quassinoid isolated from  Ailanthus malabarica and Quassia indica and has been shown to exhibit cytotoxic activity.


A lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


A retinoid that is 9-cis-retinoic acid in which the carboxy proton has been replaced by a beta-D-glucuronyl group. It is a major metabolite of 9-cis-retinoic acid.


eudesmane sesquiterpenoid

Any sesquiterpenoid having a eudesmane skeleton.


A sesquiterpenoid that is (4Z,8Z)-4,8-dimethyltrideca-4,8-diene carrying two oxo substituents at positions 1 and 12. A product from bacterial degradation of rubber.


An alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->2)-alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc(PP-Dol) in which the anomeric centre has alpha-configuration.


ALBIZOSIDE B

A triterpenoid saponin isolated from the stem bark of Albizia chinensis that exhibits cytotoxic activity against a small panel of human tumour cell lines.


ent-zingiberene

The enantiomer of zingiberine.


melemeleone B

A sesquiterpenoid with a quinone and taurine functionality. It is isolated from the sponge Dysidea avara, and exhibits inhibitory activity against tyrosine kinase.


all-trans-retinyl dodecanoate

An all-trans-retinyl ester obtained by formal condensation of the carboxy group of dodecanoic (lauric) acid with the hydroxy group of all-trans-retinol.


A cyclic monoterpene ketone that is camphor bearing a hydroxy substituent at position 5.


alpha-isomethylionyl acetate

An acetate ester resulting from the formal condensation of the carboxy group of acetic acid with the hydroxy group of 3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-ol. It is used a flavoring agent.


ginsenoside Mc

A ginsenoside found in Panax notoginseng that is dammarane which is substituted by hydroxy groups at the 3beta, 12beta and 20 pro-S positions and in which the hydroxy group at position 20 has been converted to the corresponding alpha-L-arabinofuranosyl-beta-D-glucopyranoside.


salvin A

A pentacyclic triterpenoid that is urs-12-en-28-oic acid substituted by hydroxy groups at positions 2, 3 and 5 (the 2alpha,3beta stereoisomer). Isolated from Salvia santolinifolia, it exhibits inhibitory activity against cholinesterase.


avenacoside B

A steroid saponin obtained from grain and leaves of oats (Avena sativa) that is nuatigenin in which the hydroxy group at position 26 is converted to its beta-D-glucoside and in which the hydroxy group at position 3 is converted into its methyl alpha-L-rhamnopyranosyl-(1->2)-[beta-D-glucopyranosyl-(1->3)-beta-D-glucopyranosyl-(1->4)]-beta-D-glucopyranoside derivative.


A tetracyclic triterpenoid that is lanost-8-ene carrying hydroxy and oxo substituents at positions 3beta and 30 respectively.


REBAUDIOSIDE M

A rebaudioside that is rebaudioside A in which the the hydroxy groups at positions 2 and 3 of the beta-D-glucosyl ester moiety have both been converted to the corresponding beta-D-glucoside. Found in very low concentraitions in the leaves of Stevia Rebaudiana, it is more than 200 times sweeter than sucrose.


secoiridoid

An iridoid monoterpenoid in which a bond in the cyclopentane ring has been cleaved.


torvoside H

A steroid saponin that is (5alpha,6alpha,22R,25S)-6,22,26-trihydroxyfurostan-3-one in which the hydroxy group at position 6 has been converted into the beta-D-glucopyranosyl-(1->3)-alpha-L-rhamnoside derivative, while that at position 26 has been converted to its beta-D-glucoside. Torvoside H is a natural product found in the fruit of Solanum torvum which shows antiviral activity against herpes simplex virus type 1.


klymollin G

An eunicellin diterpenoid isolated from the soft coral Klyxum molle.


A limonoid found in Azadirachta indica.


A sesquiterpene that is 2-methylcyclohexa-1,3-diene in which a hydrogen at the 5 position is substituted (R configuration) by a 6-methyl-hept-5-en-2-yl group (R configuration). 7-Epizingiberene is a specific sesquiterpene with toxic and repellent properties that is produced and stored in glandular trichomes.


acitretin

A retinoid that consists of 3,7-dimethylnona-2,4,6,8-tetraenoic acid having a 4-methoxy-2,3,6-trimethylphenyl group attached at position 9.


(-)-beta-curcumene

A beta-curcumene that has R configuration at the chiral centre.


MANOOL

A labdane diterpenoid in which the labdane skeleton has double bonds at positions 8(17) and 14 and carries an S-hydroxy group at position 13.


An octahydronaphthalene that is 1,2,3,4,4a,5,6,7-octahydronaphthalene substituted by isopropyl, methyl, and methylidene groups at positions 1, 4 and 7, respectively (the (1S,4R,4aS)-stereoisomer).


(-)-spiroviolene

A spirocyclic diterpene with formula C20H32 which is produced by a diterpene cyclase gene expressed in an engineered Streptomyces host.


YADANZIOLIDE B

A  quassinoid that is 13,20-epoxypicras-3-ene substituted by hydroxy groups at positions 1, 6, 11, 12, 14, 15 and 21 and oxo groups at positions 2 and 16. Isolated from the ethanol extract of the stem of Brucea mollis, it exhibits cytotoxic activity.


hydroxyretinoic glucuronide

Any retinoid obtained by the glycosylation of hydroxyretinoic acid with glucuronic acid.


3beta-hydroxyfriedelan-23-oic acid

A  pentacyclic triterpenoid isolated from the leaves of Garcia parviflora.


A polyprenyl glycosyl diphosphate having N-acetyl-D-glucosamine as the glycosyl fragment.


CITRONELLIC ACID

A monounsaturated fatty acid that is oct-6-enoic acid carrying methyl groups at positions 3 and 7.


A polyprenyl glycosyl phosphate consisting of the 32-membered glycosyl moiety, [beta-D-Galf-(1->5)-beta-D-Galf-(1->6)]14-beta-D-Galf-(1->5)-beta-D-Galf-(1->4)-alpha-L-Rhap-(1->3)-alpha-D-GlcpNAc attached at the 1-position to trans,octacis-decaprenyl phosphate.


gibberellin A8

A C19-gibberellin, initially identified in Phaseolus coccineus. It differs from gibberellin A1 in the presence of an extra beta-OH group at C-3 (gibbane numbering).


A  lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


LUCIDENIC ACID N

A  tetracyclic triterpenoid that is 25,26,27-trinorlanost-8-en-24-oic acid substituted by hydroxy groups at positions 3 and 7 and oxo groups at positions 11 and 15 respectively (the 3beta,5alpha,7beta stereoisomer). Isolated from the fruiting bodies of Ganoderma lucidum, it exhibits cytotoxicity against tumour cells.


dinochrome A

A carotenoid that is 6,7'-didehydro-5,5',6,8-tetrahydro-5,8-epoxy-beta,beta-carotene substituted by acetyloxy group at position 3' and hydroxy groups at positions 3 and 5' respectively. Isolated from the fresh water red tide Peridinium bipes, it has been found to inhibit proliferation of human malignant tumor cells, such as GOTO, OST and HeLa cells.


ARGLABIN

An organic heterotetracyclic compound and guaianolide sesquiterpene lactone that is acrylic acid which is substituted at position 2 by a 4-hydroxy-3,8-dimethyl-1,3a,4,5,6,7-hexahydroazulen-5-yl group in which the double bond in the 7-membered ring has been epoxidised and in which the hydroxy group and the carboxy group have undergone formal condensation to give the corresponding gamma-lactone. It is found in Artemisia glabella. Arglabin-DMA HCl, the hydrochloride salt of the adduct resulting from the conjugate addition of dimethylamine to the ene-lactone moiety, has been successfully used in Khazakhstan for the treatment of breast, colon, ovarian and lung cancers.


candidoside

A triterpenoid saponin that is primulagenin A attached to a  tetrasaccharide residue at position 3 via a glycosidic linkage. It has been isolated from the aerial parts of Lysimachia clethroides.


omega-hydroxygeranylgeraniol

A diterpenoid obtained by hydroxylation of one of the terminal methyl groups of geranylgeraniol.


A carotenoid having the structure of beta-carotene but with a cis double bond at the 9,10-position.


all-trans-18-hydroxyretinoic acid

A retinoid that consists of all-trans-retinoic acid bearing an hydroxy substituent at position 18.


A 7-hydroxy-4-isopropenyl-7-methyloxepan-2-one that has R configuration at position 4.


rubiarboside G 28-acetate

A triterpenoid saponin with an arborinane-type terpenoid as the aglycone. It has been isolated from the roots of Rubia yunnanensis.


A tricyclic diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


diterpene triepoxide

A diterpenoid compound that contains three epoxide groups.


A taxane diterpenoid that is taxusin substituted by hydroxy groups at positions 2alpha and 7beta.


ALBIZOSIDE C

A triterpenoid saponin isolated from the stem bark of Albizia chinensis that exhibits cytotoxic activity against a small panel of human tumour cell lines.


A polyprenyl glycosyl phosphate consisting of N-acetyl-alpha-D-galactosaminyl-(1->3)-N,N'-diacetyl-alpha-D-bacillosamine linked via a diphospho group to tritrans,heptacis-undecaprenol.


BACCATIN III

A tetracyclic diterpenoid isolated from plant species of the genus Taxus.


beta-elemene

A sesquiterpene that consists of cyclohexane bearing methyl and vinyl substituents at position 1 as well as two isopropenyl substituents at positions 2 and 4.


callophycoic acid H

A monohydroxybenzoic acid that is 3-bromo-4-hydroxybenzoic acid substituted at position 5 by a decahydronaphthalen-1-ylmethyl group which in turn is substituted by a bromo, two methyl groups, a methylidene and a 4-methylpent-3-en-1-yl group at positions 6, 5, 8a, 2 and 5 respectively. A diterpenoid isolated from the Fijian red alga Callophycus serratus, it exhibits antibacterial, antimalarial and anticancer activities.


spongia-13(16),14-dien-19-oic acid

A tetracyclic diterpenoid that is 3b,4,5,5a,6,7,8,9,9a,9b,10,11-dodecahydrophenanthro[1,2-c]furan substituted by methyl groups at positions 3b, 6 and 9 and a carboxy group at position 6. Isolated from Spongia, it exhibits inhibitory activity against androgen receptor.


eburicol

A tetracyclic triterpenoid that is 24,25-dihydrolanosterol carrying an additional methylene substituent at position 24. A natural product found in Taiwanofungus camphoratus.


(+)-vulgraon B

A sesquiterpene that is tricyclo[5.4.0.0(2,8)]undec-9-ene substituted by methyl groups at positions 2, 6, 6, and 9 as well as a methylidene group at position 11.


abietane diterpenoid

A diterpenoid based on an  abietane skeleton.


A limonoid that is gedunin in which the acetoxy group at position 7 is replaced by a benzoyloxy group. Isolated from Azadirachta indica, it exhibits cytotoxic activity against HL60 leukemia cells.


beta-longipinene

A bridged compound and sesquiterpene that is tricyclo[5.4.0.0(2,8)]undecane that is substituted by methyl groups at positions 2, 6, and 6, and by a methylidene group at position 9.


An oxabicycloalkane consisting of p-menthane with an epoxy bridge across positions 1 and 4.


inumakilactone B

A diterpene lactone isolated from Podocarpus latifolius and has been shown to exhibit inhibitory activity against activator protein 1 (AP-1).


EPOXYAZADIRADIONE

A limonoid that is  azadiradione with an epoxy group across positions 14 and 15. Isolated from Azadirachta indica it exhibits insecticidal activitry against mosquitoes.


A limonoid that is the C-23 epimer of vepaol. It has been isolated from Azadirachta indica.


YADANZIOLIDE C

A quassinoid isolated from Quassia indica and has been shown to exhibit antimalarial and antineoplastic activity.


glochierioside B

A triterpenoid saponin that is 3beta,16beta,28-trihydroxyolean-12-ene substituted by a beta-benzoyloxy group at position 22 and a 3-O-(beta-D-glucopyranosyl)-beta-D-xylopyranosyl group at position 3 via a glycosidic linkage. Isolated from Glochidion eriocarpum, it exhibits cytotoxicity against human cancer cell lines.


COMBRETIC ACID B

A pentacyclic triterpenoid that is 9beta,19-cyclolanost-25-en-28-oic acid substituted by an acetyloxy group at position 7 and hydroxy groups at positions 3 and 24. It has been isolated from the leaves of Combretum quadrangulare.


A polyprenyl glycosyl phosphate consisting of beta-D-arabinofuranose attached at the 1-position to trans,octacis-decaprenyl phosphate.


rediocide F

A diterpenoid of the class of daphnane-type terpenes. It is isolated from Trigonostemon reidioides and has been shown to exhibit insecticidal activity.


beta-heptaprene

An acyclic sesquarterpene that is 3-methylideneoctacosa-1,6,10,14,18,22,26-heptaene carrying six methyl substituents at positions 7, 11, 15, 19, 23 and 27 (the all-E geoisomer).


A dolichyl diphosphooligosaccharide intermediate involved in post-translational modification of proteins.


pyripyropene K

A sesquiterpenoid that consists of a heterotetracyclic system linked to a pyridine moiety. Isolated from the fungus, Aspergillus fumigatus, it exhibits inhibitory activity against acyl-CoA:cholesterol acyltransferase 2.


(-)-ent-copalol

A labdane diterpenoid in which the labdane skeleton has double bonds at positions 8(17) and 13 (the latter with E-stereochemistry) and carries a hydroxy group at the terminal C-15 position.


mesaconine

A diterpene alkaloid with formula C24H39NO9 that is isolated from the roots of Aconitum carmichaelii.


nerylneryl diphosphate

A polyprenol diphosphate having (Z,Z,Z)-geranylgeraniyl (nerylneryl) as the polyprenyl component.


juvenile hormone II

A member of the juvenile hormone family of compounds that is the methyl ester of  (2E,6E,10R,11S)-10,11-epoxy-3,7,11-trimethyltrideca-2,6-dienoic acid.


A triterpene glycoside with strong antifungal activity against Aspergillus fumigatus and Candida albicans. It is isolated from natural Chaetomium sp.no.217.


beta-cryptoxanthin

A carotenol that exhibits antioxidant activity. It has been isolated from fruits such as papaya and oranges.


NEUROLENIN B

A germacranolide isolated from Neurolaena lobata and Austroeupatorium inulifolium and has been shown to exhibit antimalarial activity.


COLOSSOLACTONE VIII

A tetracyclic triterpenoid that is A,B-dihomo-19-nor-4-oxalanosta-1,8,19,24-tetraen-26,22-olide substituted by an acetoxy group at position 15, a hydroxy group at position 23 and an oxo group at position 3 (the 22S, 23R stereoisomer). It is isolated from the fruiting bodies of the Vietnamese mushroom Ganoderma colossum and displays inhibitory activity towards the enzyme HIV protease.


A p-menthane monoterpenoid that is p-menthane carrying a hydroxy group at position 1.


serratol

A cembrane diterpenoid obtained by regio- and stereoselective hydration of the exocyclic double bond of cembrene C.


trichothecene

Any one of a large family of chemically related mycotoxins with a structure based on a sesquiterpene skeleton. The most important structural features causing the biological activities of trichothecenes are a 12,13-epoxy ring, the presence of hydroxy or acetyl groups at appropriate positions on the trichothecene nucleus and the structure and position of the side-chain.


scutebarbatine G

A diterpene alkaloid of group of neo-clerodanes isolated from the whole plants of Scutellaria barbata and has been shown to exhibit neoplastic activity.


GORDONOSIDE J

A triterpenoid saponin that is 3,15,16,28-tetrahydroxyolean-12-en-22-yl (2Z)-2-methylbut-2-enoate attached to a tetrasaccharide residue at position 3 via a glycosidic linkage. Isolated from the stems of Gordonia chrysandra, it exhibits a strong inhibitory effect on nitric oxide production.


cornusalterin D

A  tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S,23E)-lanosta-7,23,25-triene substituted by an oxo group at position 3. It has been isolated from the stem and stem barks of Cornus walteri.


A triterpenoid saponin that has hederagenin as the sapogenin. It has been isolated from the stem barks of Kalopanax pictus.


SESTERSTATIN 3

A scalarane sesterterpenoid isolated from the marine sponge Hyrtios erectus and has been shown to exhibit antineoplastic activity.


gibberellin A53

A C20-gibberellin, initially identified in Vicia faba, that is gibberellin A12 in which a hydroxy substituent is present at the 7alpha- position.


gibberellin A15 (lactone form)

A C20-gibberellin that is the lactone form of gibberellin A15.


FENCHONE

A carbobicyclic compound that is fenchane in which the hydrogens at position 2 are replaced by an oxo group. It is a component of essential oil from fennel  (Foeniculum vulgare).


macrophomene

A triterpene produced by Macrophomina phaseolina macrophomene synthase.


cornusalterin G

A tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S)-lanosta-7,24-diene substituted  by an oxo group at position 3 and a methoxy group at position 23. It has been isolated from the stem and stem barks of Cornus walteri.


CUMINGIANOSIDE A

A triterpenoid saponin that is 13,30-cyclodammarane-3,7,23,24,25-pentol esterified to the corresponding acetate at position 3 and attached to a 6-O-acetyl-beta-D-glucopyranosyl residue at position 7 via a glycosidic linkage. Isolated from Dysoxylum cumingianum, it exhibits antileukemic activity.


tulipinolide

A germacranolide based on a 2,3,3a,4,5,8,9,11a-octahydrocyclodeca[b]furan-4-yl skeleton.


(+)-somaliensene B

A sesterterpene that is 1-methylcyclohexene substituted by a (5E,9E)-6,10,14-trimethylpentadeca-1,5,9,13-tetraen-2-yl group at position 4 (the 4R-stereoisomer).


An organic heterobicyclic compound that is 2-oxabicyclo[3.3.1]nonan-3-one which has been substituted by an oxo group at position 3, methyl groups at positions 4 and 8, and by a hydroxy group at position 8 (the 1R,4R,5R,8S stereoisomer). Isolated from the plant endophytic fungus Pestalotiopsis foedan.


A 3beta-hydroxy-4alpha-formyl-4beta-methylsteroid that is 24-methylenecycloartanol in which the alpha-methyl substituent at position 4 has been substituted by a hydroxy group.


QUILLAIC ACID

A pentacyclic triterpenoid that is olean-12-ene substituted by hydroxy groups at positions 3 and 16, an oxo group at position 23 and a carboxy group at position 28 (the 3beta,16alpha stereoisomer).


picrotoxane sesquiterpenoid

A group of sesquiterpenoids whose structure is based on a hexahydroindane skeleton, as exemplified by picrotin.


A tricyclic diterpenoidthat is 4a,7-dimethyl-3,4,4a,9,10,10a-hexahydrophenanthrene in which the methylene hydrogens at position 2 have been replaced by an oxo group.


hexacyclic triterpenoid

A triterpenoid that consists of a hexacyclic ring system.


iridodial

A dialdehyde that is cyclopentanecarbaldehyde substituted by a methyl group at position 2 and a 1-methyl-2-oxoethyl group at position 5.


A lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


A (4S)-7-hydroxy-4-isopropenyl-7-methyloxepan-2-one that has R configuration at position 7.


pentalenic acid

A tricyclic sesquiterpenoid that is pentalenene in which the 13-methyl group is oxidsed to the carboxylic acid and position 1 is substituted by a hydroxy group.


syn-copalol

A labdane diterpenoid in which the labdane skeleton has double bonds at positions 8(17) and 13 (the latter with E-stereochemistry) and carries a hydroxy group at the terminal C-15 position.


CRASSUMOLIDE A

A cembrane diterpenoid isolated from the soft coral Lobophytum crassum and shown to have anti-inflammatory and antineoplastic activity.


ISOTANSHINONE IIB

A diterpenoid that is  1,2,3,4-tetrahydrophenanthro[3,2-b]furan-7,11-dione substituted by a hydroxymethyl group at position 4 and methyl groups at positions 4 and 8 respectively. Isolated from Salvia miltiorrhiza, it exhibits platelet aggregation inhibitory activity.


An acyclic carotene having the structure 7',8'-dihydro-psi,psi-carotene with cis-double bonds at C-7, C-9 and C-9'.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.