neral

An enal that is 3,7-dimethyloctanal with unsaturation at positions C-2 and C-6. It has been isolated form the essential oils of plant species like lemon.


OCOTILLONE

A tetracyclic triterpenoid isolated from Aglaia abbreviata.


gibberellin A110

A C20-gibberellin that is gibberellin A12 carrying an additional hydroxy substituent at the 3beta-position


(Z)-beta-ocimene

A beta-ocimene that consists of octa-1,3,6-triene bearing two methyl substituents at positions 3 and 7 (the 3Z-isomer).


2,3-didehydro-gibberellin A9

A C19-gibberellin obtained by formal dehydrogenation across the 2,3-position of gibberellin A9.


(-)-α-thujone

The (1S,4R,5R)-stereoisomer of alpha-thujone.


A carbotricyclic compound that is 1,5-dihydro-2H-2,4a-methanonaphthalene carrying four methyl groups at positions 1,1,5, and 5.


AJUGATAKASIN B

A diterpene lactone isolated from the whole plants of Ajuga ciliata that is ajugatakasin A in which both of the 2-methylbutenoate ester goups have been hydrogenated to the corresponding 2-methylbutanoates.


all-trans-octaprenyl diphosphate

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


all-trans-tridecaprenyl diphosphate

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


zeorin

A  hopanoid that is hopane substituted by hydroxy groups at positions 6 and 22 (the (6alpha)-stereoisomer). It has been isolated from the fungi Aschersonia and Hypocrella.


KADLONGILACTONE A

A hexacyclic triterpenoid isolated from the leaves and stems of Kadsura longipedunculata and has been found to exhibit cytotoxicity aganist human tumour cells.


name: 12beta-Acetoxy-3,7,11,15,23-pentaoxo-5alpha-lanosta-8-en-26-oic acid ethyl ester


name: 13-Hydroxypiericidin A 10-O-alpha-D-galactose (1->6)-beta-D-glucoside


A pimarane diterpenoid that is pimarane which has been dehyrogenated to introduce double bonds at positions 7-8 and 15-16, which has a beta-hydrogen in place of an alpha-hydrogen at position 9, and in which one of the hydrogens of the beta-methyl group at position 4 has been replaced by a hydroxy group.


LINALOOL (+)

The (R)-enantiomer of linalool.


An acyl derivative of phosphatidic acid whose phosphorus acid component is esterified with an N-(2-hydroxyethyl)dihydropyridine bisretinoid


lansic acid 3-ethyl ester

A triterpenoid that is the 3-ethyl ester of lansic acid. It has been isolated from the twigs of Lansium domesticum.


A monoterpene consisting of methylenecyclohexane having an isopropyl substituent at the 4-position.


A labdane diterpenoid resulting from the formal dehydration of the allylic hydroxy group of peregrinol.


fusaproliferene

A sesterterpene that is produced by the fungal chimeric terpene synthase, PTTS036.


name: 6'-Hydroxysiphonaxanthin ester/ 6'-Hydroxysiphonaxanthin dodecenoate/ 6'-Hydroxysiphonaxanthin 19-(trans-delta2-dodecenoate)


(1R,2R,3R)-prephytoene diphosphate

The (1R,2R,3R)-diastereomer of prephytoene diphosphate.


A p-menthane monoterpenoid in which p-menthane carries hydroxy groups at C-3 and C-8.


somaliensene A

A sesterterpene that is 2,6-dimethylbicyclo[3.1.1]hept-2-ene substituted by a (6E,10E)-2,6,10-trimethyltrideca-2,6,10-trien-13-yl at position 6 (the 1S,5S,6R-stereoisomer).


axerophthene

A diterpene that is cyclohexene substituted by a (1Z,3E,5E,7E)-3,7-dimethylnona-1,3,5,7-tetraen-1-yl group at position 2 and by methyl groups at positions 1,3 and 3. It is the parent hydrocarbon on which Vitamin A and other retinoids are based.


(-)-bornyl diphosphate

A monoterpenyl phosphate that is the O-diphospho derivative of (-)-borneol.


DESACETYL SALANNIN

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


A pentacyclic triterpenoid that is olean-12-ene substituted by hydroxy groups at 3beta and 27-positions and a carboxy group at position 28.


A carbotricyclic compound that is cyclooctatin in which the hydroxymethyl substituent has been reduced to the corresponding methyl group. It is the biosynthetic precursor of cyclooctatin.


carotene

Hydrocarbon carotenoids.


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


asprellic acid A

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. 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.


ajubractin C

A diterpenoid isolated from the aerial parts of Ajuga bracteosa.


TETRAHYDROXYBACTERIOHOPANE GLUCOSAMINE

A hopanoid that is bacteriohopanetetrol carrying a beta-D-glucosaminyl residue at position 35.


7-deoxyloganic acid

A cyclopentapyran that is 1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid substituted at positions 1 and 7 by beta-D-glucosyloxy and methyl groups respectively (the 1S,4aS,7S,7aR-diatereomer).


DESFURANOAZADIRADIONE

A limonoid that is azadiradione in which the furanyl group at position 17 is replaced by a hydrogen. It has been isolated from Azadirachta indica.


A polyprenyl glycosyl phosphate having eleven prenyl units and 4-amino-4-deoxy-alpha-L-arabinopyranosyl as the glycosyl moiety.


akebia saponin D

A triterpenoid saponin that is hederagenin attached to a alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage and a 6-O-beta-D-glucopyranosyl-beta-D-glucopyranosyl residue at position 28 via an ester linkage. It is the active ingredient found in the traditional Chinese herb Radix Dipsaci.


loganetin

An iridoid monoterpenoid that is methyl (4aS,7aR)-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylate substituted at positions 1 and 6 by hydroxy groups and at postion 7 by a methyl group; the aglycone of loganin.


CAMELLIOL C

A triterpenoid that is 4,6,6-trimethylcyclohex-3-en-1-ol which is substituted at position 5 by a (3E,7E,11E)-3,8,12,16-tetramethylheptadeca-3,7,11,15-tetraen-1-yl group, originally isolated from the nonsaponifiable lipids of sasanqua oil (Camellia sasanqua).


A sesquiterpene lactone that is (3aS,4R,7aR)-3a,4,7,7a-tetrahydro-1-benzofuran-2(3H)-one with a methylidene at position C-3, a hydroxy at C-4, a methyl at C-6, and a (2S)-5-(acetyloxy)pentan-2-yl group at position C-5. A natural product found in Inula britannica var chinensis and Inula japonica.


CUMINGIANOSIDE E

A triterpenoid saponin that is 24,25-epoxy-13,30-cyclodammarane-3,7,23-triol 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.


all-trans-nonaprenyl diphosphate

A nonaprenyl diphosphate where all C=C double bonds have (E)-configuration.


A  hopanoid that is hopane substituted by an acetoxy group at position 3 and hydroxy groups at positions 7, 15 and 22 respectively (the 3beta,7beta,15alpha-stereoisomer). It has been isolated from Hypocrella species.


cyclooctatin

A diterpenoid characterized by a 5-8-5 dodecahydrodicyclopenta[a,d]cyclooctene fused-ring system, with a single double bond and one isopropyl, two hydroxy, one hydroxymethyl and two methyl substituents.


(+)-neoisodihydrocarveol

The (1R,2S,5R)-stereoisomer of dihydrocarveol.


A  cembrane diterpenoid that is cembra-2E,7E,11Z-trien-20,10-olide substituted by a hydroxy group at position 1 and a methoxy group at position 4. It has been isolated from the leaves of natural product found in Croton gratissimus.


A pentacyclic triterpenoid that is hopane in which a hydrogen attached to C-29 is replaced by a 2-hydroxyethyl group and in which the stereochemistry at C-17 is inverted to 17alphaH.


gibberellin A7

A C19-gibberellin that is a pentacyclic diterpenoid responsible for promoting growth and development in plants. Initially identified in Gibberella fujikuroi, it differs from gibberellin A1 in lacking the OH at C-7 (gibbane numbering).


ARDISIANOSIDE E

A triterpenoid saponin that is (3beta,16alphaalpha)-13,28-epoxyoleanane-3,16,30-triol with a beta-D-Glcp-(1->2)-[beta-D-Glcp-(1->4)]-alpha-L-Arap moiety attached to position 3 by a glycosidic linkage. It is isolated from Ardisia japonica and exhibits anticancer properties.


ALEURITOLIC ACID

A pentacyclic triterpenoid isolated from Maprounea africana and has been shown to exhibit inhibitory activity against HIV-1 reverse transcriptase.


icaceine

A diterpene alkaloid that is 6,18:14,16-diepoxypimar-7-en-18-one substituted by a hydroxy group at position 3 and a dimethyl amino group at position 15. It is isolated from Icacina guessfeldtii.


ALBIZOSIDE A

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


ixerochinolide

A sesquiterpene lactone isolated from  Ixeris chinensis and has been shown to exhibit cytotoxic activity against human PC-3 tumor cells.


sclarene

A diterpene that consists of a labdane skeleton with double bonds at C-8(17), C-13(16) and C-14.


12-O-deacetyltrichilin H

A limonoid isolated from the ripe fruits of Melia azedarach.


13-cis-retinyl hexadecanoate

A retinyl ester obtained by formal condensation of the carboxy group of hexadecanoic acid with the hydroxy group of 13-cis-retinol.


oxidized Latia luciferin

A methyl ketone in which the keto group is attached to a 2-(2,6,6-trimethylcyclohex-1-en-1-yl)ethyl group.


A cembrane diterpenoid isolated from Lobophytum hedleyi and Lobophytum. It exhibits anti-HIV-1 activity.


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


KANSUIPHORIN B

A tetracyclic diterpenoid that is 6,7-epoxy-13-hydroxyingenol in which the hydroxy groups at positions 3, 13 and 20 are esterified by 2,3-dimethylbutyric acid, lauric acid and palmitic acid. Isolated from the roots of Euphorbia kansui, it exhibits anti-cancerous activity.


OHCHININ ACETATE

A natural product found in Azadirachta indica.


(+)-isodihydrocarveol

The (1S,2S,4R)-stereoisomer of dihydrocarveol.


A retinoid that is all-trans-13,14-dihydroretinoic acid substituted by a hydroxy group at position 4.


TRANSCROCETIN

A 20-carbon dicarboxylic acid which is a diterpenoid and natural carotenoid. Found in the crocus flower, it has been administered as an anti-fatigue dietary supplement.


tetraterpenoid

Any terpenoid derived from a tetraterpene. The term includes compounds in which the C40 skeleton of the parent tetraterpene has been rearranged or modified by the removal of one or more skeletal atoms (generally methyl groups).


(-)-kolavenyl diphosphate

A diterpenyl phosphate that is the O-diphospho derivative of (-)-kolavenol


clethroidoside A

A triterpenoid saponin that is primulagenin A 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.


A diterpene derived from labdane by dehydrogenation across the C(7)-C(8), C(13)-C(16) and C(14)-C(15) bonds.


DYSOLENTICIN E

A  tirucallane  triterpenoid isolated from Dysoxylum lenticellatum.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man3GlcNAc2 branched pentasaccharide alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


ginsenoside

Triterpenoid saponins with a dammarane-like skeleton originally isolated from ginseng (Panax) species. Use of the term has been extended to include semi-synthetic derivatives.


lydicene

A carbotricyclic compound that is 2,3,4,4a,5,6,6a,7,10,11-decahydro-1H-cyclohepta[a]naphthalene substituted by methyl groups at positions 2, 2, 4a, 6a, and 9, respectively (the 4aR,6aS-stereoisomer).


scalarane sesterterpenoid

A class of sesterterpenoids based on the structure of the hypothetical sesterterpene scalarane.


soyasapogenol B 3-O-beta-glucuronide

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


germacrane sesquiterpenoid

Any sesquiterpenoid having a germacrane skeleton.


(-)-neoisodihydrocarveol

A dihydrocarveol with a (1R,2S,4S)-configuration.


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,3aR,3bR,4S,7S,7aR diastereomer).


The (+)-enantiomer of alpha-pinene.


hederagenin 3-O-arabinoside

A triterpenoid saponin that is hederagenin attached to an alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage.


lancifodilactone F

A tetracyclic triterpenoid that is a rearranged pentanortriterpenoid derived from cycloartane. Isolated from the leaves and stem of Schisandra lancifolia, it exhibits anti-HIV activity.


SIEBOLDIANOSIDE A

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


A tricyclic sesquiterpenoid obtained by formal hydration across the endocyclic double bond of (-)-alpha-gurjunene


erinacine Q2

Majoor species at pH 7.3


(+)-helminthogermacrene

The (+)-isomer of helminthogermacrene.


CITRONELLOL

A monoterpenoid that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7.


crassolide

A cembrane diterpenoid isolated from Lobophytum michaelae and has been shown to exhibit cytotoxic activity.


(Z,Z,Z)-geranylgeraniol

A geranylgeraniol in which all double bonds have Z- (cis-) geometry.


INFLEXIN

An ent-kaurane diterpenoid that is ent-kaur-16-ene substituted by an alpha-hydroxy group at position 1, beta-acetoxy groups at positions 3 and 6a and oxo groups at positions 11 and 15. Isolated from Isodon excisus and Rabdosia inflexa,it acts as an aromatase inhibitor.


A sesquiterpenoid that is (S)-beta-macrocarpene in which a hydrogen of the methyl group that is attached to a double bond has been replaced by a hydroxy group. The first step in the biosynthesis of the sesquiterpene phytoalexin zealexin A1 from (S)-beta-macrocarpene in maize.


A  limonoid that is the C-17 epimer of azadiradione. It has been isolated from Azadirachta indica.


daphnane

A tetracyclic terpene alkaloid and the parent compound of the daphnane subgroup of the squalene-derived Daphniphyllium alkaloids.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man2GlcNAc2 linear tetrasaccharide alpha-D-Man-(1->3)-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


laurenobiolide

A germacranolide isolated from Laurus nobilis L. and which has been shown to exhibit allergenic activity.


4-isopropylbenzyl alcohol

A member of the class of benzyl alcohols in which the hydrogen at position 4 on the phenyl ring of benzyl alcohol has been replaced by an isopropyl group.


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


gibberellin A20 methyl ester

A gibberellin ester that is the methyl ester of gibberellin A20.


A limonoid that is 17-epiazadiradione substituted by a hydroxy group at position 17. Isolated from Azadirachta indica, it exhibits antineoplastic activity.


A natural product found in Juglans sinensis.


A diastereomer of protopanaxadiol in which the 20-hydroxy substituent has been introduced at the pro-R position.


limonene

A monoterpene that is cyclohex-1-ene substituted by a methyl group at position 1 and a prop-1-en-2-yl group at position 4 respectively.


senegin III

A triterpenoid saponin isolated from Polygala senega var latifolia and has been shown to exhibit hypoglycemic activity.


A diterpenyl phosphate that is the O-diphospho derivative of (5S,9S,10S,13E)-labda-7,13-dien-15-ol.


A guaiane sesquiterpenoid that is guaia-10(15),11-diene substituted by a alpha-hydroperoxy group at position 1. Isolated from Pogostemon cablin, it exhibits trypanocidal activity.


T-MUUROLOL

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


An eremorphilane sesquiterpenoid that is (+)-5-epi-aristolochene in which the pro-R hydrogen at position 2 has been replaced by a hydroxy group.


A tridecaprenyl diphosphate having two (E)- and ten (Z)-double bonds.


all-trans-retinyl octanoate

An all-trans-retinyl ester obtained by formal condensation of the carboxy group of octanoic acid with the hydroxy group of all-trans-retinol.


A tetracyclic triterpenoid that is dammarenediol-II where the hydrogen of the hydroxy group at position 20 is replaced by a beta-D-glucoside.


gibberellin A63

A C19-gibberellin, initially identified in Pyrus communis.  It differs from gibberellin A1 in the absence of an OH group at C-2  and the presence of a beta-OH at C-9 (all gibbane numbering).


BERKELEYONE C

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


A limonene monoterpenoid that consists of cyclohexanone bearing hydroxy and methyl substituents at position 2 as well as an isopropenyl substituent at position 5.


BERKELEYTRIONE

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


(-)-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 1R,8aS-enantiomer).


fusoxypene A

A pentacyclic sesterterpene derivative.


polyprenol phosphate anion

A polyprenol phosphate in which the hydroxyl hydrogen is replaced by a phospho group, major species at pH 7.3.


rediocide A

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


tazarotene

The ethyl ester of tazarotenic acid. A prodrug for tazarotenic acid, it is used for the treatment of  psoriasis, acne, and sun-damaged skin.


anisotanol C

A norsesquiterpenoid with formula C14H22O3. It is isolated from Anisodus tanguticus and displays antiangiogenic activity by inhibiting the viability, migration, and tube formation in HUVECs.


combretanone C

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


AJUGAMARIN A2 CHLOROHYDRIN

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


A  scalarane sesterterpenoid isolated from the sponge, Hyattella species.


A  hopanoid that is hopan-3-one substituted by an epoxy group across positions 17 and 21. It has been isolated from the bark of Cupania cinerea.


gibberellin A1 methyl ester

A gibberellin ester that is the methyl ester of gibberellin A1.


SOYASAPOGENOL A

A pentacyclic triterpenoid that is oleanane containing a double bond between positions 12 and 13 and substituted by hydroxy groups at the 3beta, 21beta, 22beta and 24-positions.


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


A polyprenyl phospho oligosaccharide that is a disaccharide consisting of two glucose residues linked via a diphospho group to undecaprenol.


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


A triterpenoid saponin isolated from Myrsine australis and Ardisia japonica and has been shown to exhibit antineoplastic activity.


bisabolane

A cycloalkane that is cyclohexane substituted by a methyl group at position 1 and by a 6-methylheptan-2-yl at position 4. Its skeleton structure is found in many sesquiterpenes and sesquiterpenoids.


globostellatic acid C

A tricyclic triterpenoid of the isomalabaricane group.


An abietane diterpenoid that is 5-dehydrohorminone in which the hydroxy group at position 12 is replaced by a methoxy group. Isolated from the roots of Salvia multicaulis, it exhibits antitubercular activity.


9-cis-retinyl hexadecanoate

A retinyl palmitate obtained by formal condensation of the carboxy group of hexadecanoic acid with the hydroxy group of 9-cis-retinol.


all-trans-undecaprenyl diphosphate

The all-trans-isomer of undecaprenyl diphosphate.


LYCHNOSTATIN 1

A germacranolide isolated from Lychnophora antillana and has been shown to exhibit antineoplastic activity.


name: Ingenol O-Decatrienoyl, O-Ac or isomer putative


EXCELSIDE A

Excelside A is a natural product found in Fraxinus excelsior


COSTUNOLIDE

A germacranolide with anthelminthic, antiparasitic and antiviral activities.


name: 1beta,2alpha,3beta,19alpha-Tetrahydroxy-12-ursen-28-oic acid 28-O-[b-D-Glucopyranosyl-(1->2)-b-D-glucopyranosyl] ester


A (6E)-nerolidol in which the hydroxy group at positon 3 adopts an R-configuration. It is a fertility-related volatile compound secreted by the queens of higher termites from the subfamily Syntermitinae.


GORDONOSIDE L

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.


A labdane diterpenoid in which the labdane skeleton has double bonds at C-7 and C-13 (the latter with E-stereochemistry) and carries a hydroxy group at the terminal C-15 atom.


A polyprenyl phospho oligosaccharide that consists of a N-acetyl-alpha-D-galactosaminyl residue linked via a diphospho group to ditrans,polycis-undecaprenol.


A polyprenyl phospho oligosaccharide that is a tetrasaccharide consisting of one glucuronic acid, one mannose and two glucose residues linked via a diphospho group to undecaprenol.


An apo carotenoid triterpenoid compound consisting of 8'-apo-beta-carotene having an aldehyde group in the 8'-position and an (R)-hydroxy substituent at the 3-position.


An oxabicycloalkane that is 1-methyl-4-(propan-2-yl)-7-oxabicyclo[2.2.1]heptan-2-ol in which the hydroxy group is substituted by a (2-bromo-6-fluorophenyl)methoxy group.


A tetracyclic diterpenoid with formula C20H24O7, originally isolated from the roots and leaves of Tripterygium wilfordii.


An undecaprenyl phosphate having three (E)- and seven (Z)-double bonds.


hydroxy-beta-cyclocitral

A monoterpenoid formally derived from beta-cyclocitral by hydroxylation.


(-)-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 4S-stereoisomer).


sesquiterpene lactone

Any member of a diverse class of complex, multicyclic phytochemicals showing a variety of skeleton arrangements and bioactivities, and having in common a sesquiterpenoid structure including a lactone ring.


rebaudioside D

A rebaudioside that is rebaudioside A in which the hydroxy group at position 2 of the beta-D-glucosyl ester moiety has been converted to the corresponding beta-D-glucoside. Found in minute quantities in the leaves of Stevia rebaudiana.


VERBENONE

A 4,6,6-trimethylbicyclo[3.1.1]hept-3-en-2-one in which both chiral centres have R configuration. It is a component of Spanish verbena oil, from Verbena triphylla.


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


sinularolide C

A cembrane diterpenoid that is an epimer of sinularolide B at C-3. Isolated from Sinularia gibberosa and has been found to exhibit antineoplastic activity.


penichrysol

A diterpenoid that is produced by the fungal chimeric terpene synthases, PTTS087 and PTTS136.


A pentacyclic triterpenod that is 9beta,19-cyclolanost-24-ene which is substituted by hydroxy groups at the 3beta and 28 positions.


tiamulin

A carbotricyclic compound that is pleuromutilin in which the hydroxyacetate group is replaced by a 2-{[2-(diethylamino)ethyl]sulfanyl}acetate group. An antibacterial drug, tiamulin is used in veterinary medicine (generally as its hydrogen fumarate salt) for the treatment of swine dysentery caused by Serpulina hyodysenteriae.


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


GERANYLGERANOIC ACID

A diterpenoid obtained by formal oxidation of the CH2OH group of (E,E,E)-geranylgeraniol to the corresponding carboxylic acid.


(-)-cis-carveol

The (1R,5R)-stereoisomer of carveol.


squalene triterpenoid

A triterpenoid based on a  squalene skeleton and its substituted derivatives thereof.


cadinene

Any sesquiterpene having a cadinane skeleton containing one or more C=C bonds.


(-)-beta-selinene

The (4aS,7S,8aR)-stereoisomer of beta-selinene.


rubiyunnanol C

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


A terpene lactone that consists of oxepan-2-one bearing methyl and isopropenyl substituents at positions 3 and 6 respectively.


gummiferaoside C

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.


dodecaprenyl diphosphate

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


PROTOPRIMULAGENIN A

A hexacyclic triterpenoid that consists of oleanane substituted by hydroxy groups at 3beta and 16alpha-position and an oxolane bridge at positions 13 and 28.


canophyllal

A pentacyclic triterpenoid with formula C30H48O2, originally isolated from the leaves of Syzygium formosanum.


A pentacyclic triterpenoid that is the cinnamate ester obtained by the formal condensation of the carboxylic group of cis-caffeic acid with the hydroxy group of lupeol (the 3beta stereoisomer). It is isolated from the fruits of Bruguiera parviflora and exhibits antimalarial activity.


A tetracyclic triterpenoid that is 29-nordammara-1,17(20)-diene substituted by acetoxy groups at positions 6 and 16, a carboxy group at position 21, a hydroxy group at position 25 and oxo groups at positions 3 and 7 respectively. It is isolated from the marine-derived fungal strain  Aspergillus sydowii PFW1-13 and exhibits antibacterial activity.


A eudesmane sesquiterpenoid in which the eudesmane skeleton carries hydroxy substituents at position 1, 6 and 7 and a double bond between C-4 and C-14. It has been isolated from the aerial parts of Tephrosia candida.


rediocide E

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


rebaudioside

Any of the steviol glycosides found in the leaves of the stevia plant, Stevia rebaudiana. They are typically more than 100 times sweeter than sucrose.


astellifadiene

A sesterterpene with formula C25H40 that is produced by a terpene synthase gene from Emericella variecolor NBRC 32302 which is heterologously expressed in Aspergillus oryzae NSAR1.


SOYASAPOGENOL B

A pentacyclic triterpenoid that is oleanane containing a double bond between positions 12 and 13 and substituted by hydroxy groups at the 3beta, 22beta and 24-positions.


CARDIVIN A

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).


octadecaprenyl diphosphate

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


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


SUAVEOLINDOLE

A  terpenoid indole alkaloid that is 1H-indole substituted by cyclohexylmethyl ring at position 3 which in turn is substituted by additional methyl groups at positions 2 and 3, a propan-2-ylidene group at position 6 and a 2-carboxyethyl group at position 1. Isolated from   Greenwayodendron suaveolens, it exhibits antibacterial activity.


manool

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


LAMESTICUMIN E

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


CAFESTOL

An organic heteropentacyclic compound and furan diterpenoid with formula C20H28O3 obtained from the unsaponifiable fraction of coffee oil (a lipid fraction obtained from coffee beans by organic solvent extraction).


dysoxyhainanin A

A pentacyclic triterpenoid with a rearranged oleanane skeleton isolated from the whole plants of Dysoxylum hainanense. It exhibits antibacterial activity against Gram-positive bacteria.


hederagenin 28-O-beta-D-glucopyranoside

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


browniine

A diterpenoid that is aconitane bearing an N-ethyl as well as several hydroxy and methoxy substituents.


citranaxanthin

An apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 1'- and 6'-positions.


TSUGARIOSIDE C

A  triterpenoid saponin that is (23Z)-24-methyllanosta-8,23,25-trien-21-oic acid substituted by an acetyloxy group at position 3 and a beta-D-xylopyranosyl residue at position 21 via a glycosidic linkage. It has been isolated from the fruit bodied of Ganoderma tsugae and exhibits cytotoxic activity against several different cancer cell lines.


A  lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


An apo carotenoid triterpenoid compound consisting of 8'-apo-beta-carotene having a hydroxy group at the 8'-position and an (R)-hydroxy substituent at the 3-position.


glycyrrhetic acid 3-O-glucuronide

A triterpenoid saponin that is the 3-O-beta-glucuronide of glycyrrhetic acid. It is a metabolite of glycyrrhizin contained in licorice and potentially a causative agent in the pathogenesis of pseudoaldosteronism.


A pentacyclic triterpenoid that is lup-20(29)-ene substituted by hydroxy groups at positions 2 and 3 (the 2alpha,3beta stereoisomer). It has been isolated from Juglans sinensis.


A monoterpene glycoside that is albiflorin carrying a galloyl substituent at position 6. Isolated from the roots of Paeonia lactiflora.


GERANYLGERANIOL

A geranylgeraniol in which all four double bonds have E- (trans-) geometry.


9-hydroxy hedychenone

A labdane diterpenoid that is 15,16-epoxy-7,11,13(16)14-labdatetraen-6-one substituted by a hydroxy group at position 9. Isolated from the rhizomes of Hedychium spicatum, it exhibits cytotoxicity against the Colo-205 (Colo-cancer), A-431 (skin cancer), MCF-7 (breast cancer), A-549 (lung cancer) and Chinese hamster ovary cells (CHO).


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


oryzalexin D

A tricyclic diterpenoid that is ent-sandaracopimaradiene bearing two additional hydroxy substituents at the 3alpha- and 7beta-positions.


gibberellin A45

A C19-gibberellin, initially identified in Pyrus communis. It differs from gibberellin A1 in the absence of OH groups at C-2 and -7 and the presence of a beta-OH at C-9 (all gibbane numbering).


SABINENE

A thujene that is a bicyclic monoterpene isolated from the essential oils of various plant species.


A tocol in which the hydrocarbon chain at position 2 contains three double bonds.


BISABOLONE

A beta-bisabolene which has (1S)-configuration.


scutebarbatine F

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


sinularolide B

A cembrane diterpenoid isolated from Sinularia gibberosa and has been found to exhibit antineoplastic activity.


tirucallane

A triterpene that is (13alpha,14beta,17alpha,20S)-lanostane.


A triterpenoid saponin that is olean-12-ene attached to hydroxy groups at positions 3 and 23, oxo groups at positions 1 and 28 and a beta-D-glucopyranosyloxy group at position 28. It has been isolated from the leaves and twigs of Juglans sinensis.


CLETHROIDOSIDE F

A triterpenoid saponin that is 3,16-dihydroxy-13,28-epoxyoleanane-21,22-diyl diacetate attached to a tetrasaccharide residue at position 3 via a glycosidic linkage. Isolated from the aerial parts of Lysimachia clethroides, it exhibits antineoplastic activity.


MULTICAULIN

A diterpenoid that is phenanthrene substituted by a methoxy group at position 6, methyl groups at position 1 and 2 and an isopropyl group at position 7. A norabietane derivative, it is isolated from the roots of Salvia multicaulis and exhibits antitubercular activity.


SCUTEBARBATINE F

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


A phorbol ester that consists of 12-deoxyphorbol esterified at position 13 by deca-3,5-dienoic acid (the 3E,5E stereoisomer). It is obtained from the leaves and stems of Excoecaria agallocha and exhibits anti-HIV activity.


CLETHROIDOSIDE C

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


SCHISANLACTONE A

A tetracyclic triterpenoid isolated from Schisandra and Kadsura longipedunculata. It has been shown to exhibit inhibitory activity against HIV protease.


DIPSACUSSAPONIN A

A triterpenoid saponin that is the disaccharide derivative of hederagenin. It has been isolated from the stem bark of Kalopanax pictus.


bacterioruberin

A C50 carotenoid that is a red-coloured pigment found in several Halobacterium and Haloarcula species.


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


GINSENOSIDE RF

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


germacrene C

A sesquiterpenoid derived from germacrane by dehydrogenation at the 1,2- 3,4- and 7,8-positions.


15-ACETYLTRICHAGMALIN E

A  limonoid that is the 15-acetyl derivative of trichagmalin E. It has been isolated from Trichilia connaroides.


OPHIOBOLIN C

A sesterterpenoid that is ophiobolane with a hydroxy group at position 3, oxo group at positions 5, formyl group at position 7, and double bonds at positions 7-8 and 19-20.


(+)-menthofuran

A menthofuran that is 4,5,6,7-tetrahydro-1-benzofuran substituted by methyl groups at positions 3 and 6 (the 6R-enantiomer).


SCHISANWILSONENE A

A sesquiterpenoid isolated from Schisandra wilsoniana and has been shown to exhibit anti-HBV activity.


cabraleahydroxylactone acetate

A tetracyclic triterpenoid isolated from Aglaia abbreviata.


ANIASATIN

A sesquiterpene lactone with formula C15H20O8. It is a neurotoxic natural product found in plants of the family Illiciaceae.


LAUREBIPHENYL

A sesquiterpenoid that is a dimer of a cyclolaurane type sesquiterpene. Isolated from the marine red algae Laurencia nidifica and Laurencia tristicha, it exhibits antineoplastic activity.


azadiradionolide

A tetracyclic triterpenoid that is 4,4,8-trimethylandrosta-1,14-diene substituted by a oxo groups at positions 3 and 16, an acetoxy group at position 7 and a 2-oxo-2,5-dihydrofuran-3-yl group at position 17. It has been isolated from Azadirachta indica.


inunolide

A germacranolide isolated from Inula racemosa, Rudbeckia laciniata and Stevia polyphylla.


cucurbitacin B

A cucurbitacin in which a lanostane skeleton is multi-substituted with hydroxy, methyl and oxo substituents, with unsaturation at positions 5 and 23; a hydroxy function at C-25 is acetylated.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man6GlcNAc2 branched octasaccharide alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->3)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


TRIPTERYGIC ACID A

A pentacyclic triterpenoid with formula C30H48O4, originally isolated from the roots of Tripterygium wilfordii.


3-epi-gibberellin A1

An epi-gibberellin that is gibberellin A1 differing in configuration at C-3 (C-2 using gibbane skeletal numbering).


trichagmalin E

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


A carbobicyclic compound that is decahydronaphthalene substituted at positions 2, 4a, 8 and 8a by 2-hydroxypropan-2-yl, methyl, methyl and hydroxy groups, respectively. The (3R,4aS,5S,8aS) stereoisomer.


TTNPB

A  retinoid that consists of benzoic acid substituted at position 4 by a 2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)prop-1-en-1-yl group. It is a synthetic retinoid that acts as a selective agonist for the retinoic acid receptors (RAR).


euphornin L

A macrocyclic diterpenoid isolated from Euphorbia helioscopia and has been shown to exhibit cytotoxicity against HL-60 cell lines.


paeoniflorigenone

A terpenoid with formula C17H18O6, isolated from several species of Paeoniae.


aculene B

A carboxylic ester resulting from the formal condensation of the hydroxy group of aculene D with the carboxylic acid group of L-proline. It is a sesquiterpenoid isolated from the fungus Aspergillus aculeatus.


A triterpenoid saponin that is the tetrasaccharide derivative of oleanolic acid. Isolated from the roots of Pulsatilla chinensis, it exhibits antineoplastic activity.


A 4,4'-diapo-zeta-carotene in which the double bonds at positions 6, 8, 10, 12, 14, 16, and 18 have E- (trans-) geometry.


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 (position 8a).


sesquisabinene A

A sesquiterpene that consists of (1R,5R)-2-methylidenebicyclo[3.1.0]hexane having a (2R)-6-methylhept-5-en-2-yl group at position 5.


polyprenol phosphate

A prenol phosphate resulting from the formal condensation of the terminal allylic hydroxy group of a polyprenol with 1 mol eq. of phosphoric acid.


A diterpenoid that is 15,17-epoxypodocarpan-15-one substituted by a hydroxy group at position 13, methyl groups at positions 8 and 13 and a (5-methoxy-3,6-dioxocyclohexa-1,4-dien-1-yl)methyl group at position 14 (the 13alpha,14beta stereoisomer). Isolated from the marine sponge Petrosia corticata, it exhibits  antineoplastic activity.


A phorbol ester that consists of 16-hydroxyphorbol bearing O-hexadecanoyl (palmitoyl) and O-decanoyl substituents at position 12 and 13 respectively.


maoecrystal Z

A tetracyclic diterpenoid isolated from the leaves of a Chinese medicinal herb Isodon eriocalyx and has been shown to exhibit cytotoxicity towards human tumour cells.


PAXILLINE

An indole diterpene alkaloid with formula C27H33NO4 isolated from Penicillium paxilli. It is a potent inhibitor of large conductance Ca2(+)- and voltage-activated K(+) (BK)-type channels.


michaolide C

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


A retinoid that is retinoic acid in which the carboxy proton has been replaced by a beta-D-glucuronyl residue.


carotenoid psi-end derivative

Any carotenoid derivative with a psi-end group.


A member of the class of hopanoids that is bacteriohopane-30,31,32,33,34-pentol carrying an additional amino substituent at position 35. Isolated from Methylococcus capsulatus.


all-trans-4-oxo-18-hydroxyretinoic acid

A retinoid that consists of all-trans-retinoic acid carrying an oxo substituent at position 4 and a hydroxy substituent at position 18.


(+)-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.


koraiol

A carbotricyclic compound that is tricyclo[7.2.0.0(2,5)]undecane which is substituted by a hydroxy group at position 6 and by methyl groups at positions 2, 6, 10 and 10 (the 1S,2R,5S,6S,9S-diastereoisomer). It is a sesquiterpenoid isolated from Pinus koraiensis.


GLUTINOL

A pentacyclic triterpenoid that is picene which has been fully hydrogenated except for a double bond between the 4a and 5 positions and is substituted by methyl groups at the 4, 4, 6bbeta, 8abeta, 11, 11, 12balpha and 14bbeta positions, and by a hydroxy group at the 3beta position.


PORICOIC ACID C

A tricyclic triterpenoid isolated from Poria cocos.


cis-isogeraniol

An isogeraniol that has (Z)-configuration.


holothurin A4 acid

A triterpenoid saponin that is a tetrasaccharide derivative of 3,12,17,24-tetrahydroxy-18,20-epoxylanost-9(11)-en-18-one.


halimane diterpenoid

A diterpenoid compound having a halimane skeleton.


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


A dihydroagarofuran sesquiterpenoid that is beta-dihydroagarofuran substituted by methylbutanoyloxy groups at positions 1 and 6, a hydroxy group at position 4, a benzoyloxy group at position 8, a furancarbonyloxy group at positon 9 and an acetyloxy group at position 13. Isolated from Euonymus nanoides, it exhibits cytotoxic activity.


4,4'-diaponeurosporenoic acid

An apo carotenoid triterpenoid that is 4,4'-diapolycopene in which one of the terminal methyl groups has been oxidised to the corresponding carboxylic acid.


A cembrane diterpenoid that is cembra-2E,7E,11Z-trien-20,10-olide substituted by hydroxy groups at positions 1 and 4. It has been isolated from the leaves of Croton gratissimus.


A  cembrane diterpenoid that is cembra-2E,8-(19),11Z-trien-20,10-olide substituted by hydroxy groups at positions 1, 4 and 7. It has been isolated from the leaves of Croton gratissimus.


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


neoline

A diterpene alkaloid with formula C24H39NO6 that is isolated from several Aconitum species.


sesquiterpene

A C15 terpene.


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


name: Methyllycaconitine Perchlorate, Delphinium sp.


picrotin

An organic heteropentacyclic compound that is picrotoxinin in which the olefinic double bond has undergone addition of water to give the corresponding tertiary alcohol. It is the less toxic component of picrotoxin, lacking GABA activity.


polyprenol

Any member of the class of  prenols possessing the general formula H-[CH2C(Me)=CHCH2]nOH in which the carbon skeleton is composed of more than one isoprene units.


ent-kaurene

A tetracyclic diterpene consisting of ent-kaurane, where the 6-methyl group is replaced by methylene.


AJUGALIDE B

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


11alpha-hydroxyasiatic acid

A pentacyclic triterpenoid that is the 11alpha-hydroxy derivative of  asiatic acid. Isolated from the methanolic extract of the leaves of Symplocos lancifolia, it exhibits antibacterial activity.


A tetracyclic triterpenoid with a seco-oleanane type skeleton isolated from the stem barks of Kalopanax pictus.


trisporic acid

Trisporic acids are C-18 terpenoid compounds consisting of (1S)-1,3-dimethyl-4-oxocyclohex-2-ene-1-carboxylic acid which is substituted at position 3 by a (1E-3-methylocta-1,3-dien-1-yl side chain. The double bond at position 3 of the side chain can have E or Z geometry. Position 7 of the side chain may be unsubstituted (trisporic acid A) or substituted by a hydroxy group (trisporic acid B) or an oxo group (trisporic acid C). The trisporic acids are synthesized via beta-carotene and retinol pathways in the Zygomycetes and are pheromone compounds responsible for sexual differentiation in those fungal species.


rebaudioside E

A rebaudioside that is stevioside in which the hydroxy group at position 2 of the glucosyl ester moiety has been converted into the corresponding beta-D-glucoside.


beta-hexaprene

An acyclic triterpene that is 3-methylidenetetracosa-1,6,10,14,18,22-hexaene carrying five methyl substituents at positions 7, 11, 15, 19 and 23 (the all-E geoisomer).


atractyligenin

A diterpenoid isolated from coffee silverskin. It inhibits cutaneous photoaging.


AGLAIABBREVIATIN E

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


A sesquiterpenoid that is cyclodeca-2,7-diene substituted by methyl, hydroxy, isoproyl, and methyl groups at positions 1, 1, 4S and 7, respectively.


carvacrol

A phenol that is a natural monoterpene derivative of cymene. An inhibitor of  bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1).


(R)-8-oxocitronellyl enol

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


xylocarpin J

A limonoid isolated from Xylocarpus granatum and has been shown to exhibit antineoplastic activity.


plaunotol

A diterpenoid that is geranylgeraniol carrying an additional hydroxy substituent at position 18.


A carotenoid ether that is spirilloxanthin substituted at position 2 by a hydroxy group.


AGLAIABBREVIATIN C

A tetracyclic triterpenoid isolated from the stems of Aglaia abbreviata.


name: 7beta-hydroxy-3,11,15,23-tetraoxolanosta-8,20E(22)-dien-26-oic acid methyl ester


A tricyclic hydrocarbon and sesquiterpene that is octahydro-1H-3a,6-methanoazulene which is substituted by a methylidene group at position 7 and by methyl groups at positions 3, 8, and 8.


motiol

A fernane-type skeleton with a Delta7 double bond.


heptadecaprenyl diphosphate

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


(S)-(-)-citronellol

A  citronellol that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7 (the 3S-enantiomer).


anagalligenin A

A hexacyclic triterpenoid that is an oleanane substituted by an epoxy group between positions 13 and 28 and by hydroxy groups at positions 3, 16, 22 and 28 respectively (the 3beta,16alpha,22alpha stereoisomer). It is isolated from the whole plant of Anagallis arvensis.


alpha-cryptoxanthin

A carotenol, the structure of which is (6'R)-beta,epsilon-carotene hydroxy-substituted at C-3' with R-stereochemistry.


muqubilone

A sesterterpenoid isolated from Red Sea sponge Diacarnus erythraeanus and has been shown to exhibit anti-HSV-1 activity.


celastrol

A pentacyclic triterpenoid that is 24,25,26-trinoroleana-1(10),3,5,7-tetraen-29-oic acid bearing an oxo substituent at position 2, a hydroxy substituent at position 3 and two methyl groups at positions 9 and 13. An antioxidant and anti-inflammatory agent. Potently inhibits lipid peroxidation in mitochondria and inhibits TNF-alpha-induced NFkappaB activation. Also shown to inhibit topoisomerase II activity in vitro (IC50 = 7.41 muM).


solavetivol

A spiro compound that is spiro[4.5]dec-6-ene which is substituted at positions 2, 6, 8, and 10 by isopropenyl, methyl, hydroxy, and methyl groups, respectively (the (2R,5S,8S,10R)-diastereoisomer).


ACETYL ALEURITOLIC ACID

A  pentacyclic triterpenoid isolated from the leaves of Garcia parviflora.


A polyprenyl phospho oligosaccharide where 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.


triterpenoid

Any terpenoid derived from a triterpene. The term includes compounds in which the C30 skeleton of the parent triterpene has been rearranged or modified by the removal of one or more skeletal atoms (generally methyl groups).


cornusalterin C

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


cyclic monoterpene ketone

A cyclic terpene ketone in which the terpene specified is monoterpene.


bruceanol F

A quassinoid isolated from Brucea antidysenterica and has been shown to exhibit in vitro cytotoxicity towards several human tumour cell lines.


KLYMOLLIN A

An eunicellin diterpenoid isolated from the soft coral Klyxum molle.


An oligosaccharide phosphate that is beta-D-Man-(1->4)-beta-D-GlcA-(1->2)-alpha-D-Man-(1->3)-beta-D-Glc-(1->4)-alpha-D-Glc-1-diphospho-ditrans,polycis-undecaprenol in which the terminal mannosyl group has been converted to its 4,6-O-1-carboxyethylidene derivative.


A carotenol obtained by formal hydration of a double bond at position 1' of demethylspheroidene.


3-acetyl-7-tigloylvilasinin lactone

A limonoid found in Azadirachta indica.


A diterpenoid that is ent-cassa-12,15-diene in which the hydrogens at positions 2beta and 3beta have been replaced by hydroxy groups.


(-)-dihydrocarvone

A dihydrocarvone in (S,S) configuration.


SPATHODIC ACID

A pentacyclic triterpenoid that is olean-12-en-28-oic acid substituted by hydroxy groups at positions 3, 19 and 24 (the 3beta,19alpha stereoisomer). It has been isolated from the roots of Rubia yunnanensis.


avermitilol

A carbotricyclic compound that consists of decahydro-1H-1H-cyclopropa[a]naphthalene bearing four methyl substituents at position 1, 1, 3a and 7 as well as a hydroxy substituent at position 4 (the (1aR,3aS,4S,7R,7aS,7bR)-diastereomer).


quassinoid

Members of the class of triterpenoid, mostly isolated as bitter principles of the Simaroubaceae family. They are chemically regarded as degraded triterpenes and can be categorized into groups with C18, C19, C20, C22 and C25 skeletons.


CLETHROIDOSIDE D

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


ALPHITOLIC ACID

A pentacyclic triterpenoid that is  betulinic acid carrying an additional  alpha-hydroxy group at position 2. It has been isolated from Breynia fruticosa.


FENRETINIDE

A retinoid obtained by formal condensation of the carboxy group of all-trans retinoic acid and the anilino group of 4-hydroxyaniline. Synthetic retinoid agonist. Antiproliferative, antioxidant and anticancer agent with a long half-life in vivo. Apoptotic effects appear to be mediated by a mechanism distinct from that of 'classical' retinoids.


A monocarboxylic acid that is propionic acid which is substituted at position 2 by a 4-methylcyclohex-3-en-1-yl group (the R,R stereoisomer). A secondary metabolite with antifungal activity obtained from the endophytic fungus Pestalotiopsis foedan, obtained from the branch of the upriver orange mangrove, Bruguiera sexangula.


trichagmalin B

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


A diterpenoid that is podocarpa-5,8,11,13-tetraen-7-one substituted by hydroxy groups at positions 3 and 12 and a methyl group at position 13 (the 3beta stereoisomer). Isolated from Securinega suffruticosa, it exhibits antineoplastic activity.


cornusalterin E

A  tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S)-lanosta-1,7-diene substituted by an oxo group at position 3. It has been isolated from the stem and stem barks of Cornus walteri.


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


A pentacyclic triterpenoid that is oleanane which is substituted by hydroxy groups at the 3beta and 24 positions, and which has a double bond between positions 12 and 13.


smaditerpenic acid C

A diterpenoid isolated from the leaves of Smallanthus sonchifolius.


hopanoid

A triterpenoid based on a  hopane skeleton.


(+)-alpha-santalene

A sesquiterpene consisting of a tricyclo[2.2.1.0(2,6)]heptane skeleton substituted by methyl groups at positions 1 and 7 and by a 4-methylpent-3-en-1-yl group at position 7 (the 1S,2R,4S,6R,7R diastereoisomer).


rubiarbonol K

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


beta-terpinene

One of three isomeric monoterpenes differing in the positions of their two double bonds (alpha- and gamma-terpinene being the others). In beta-terpinene the double bonds are at the 1(7)- and 3-positions of the p-menthane skeleton. beta-Terpinene has no known natural source.


gamma-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 5, respectively. It is a diterpene isolated from several plant species.


LAMESTICUMIN B

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


DIANVERSICOSIDE D

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.


linalool

A monoterpenoid that is octa-1,6-diene substituted by methyl groups at positions 3 and 7 and a hydroxy group at position 3. It has been isolated from plants like Ocimum canum.


A monoterpenoid that is geraniol bearing a hydroxy substituent at position 8.


2beta-methyl-gibberellin A1

An alkyl-gibberellin that is gibberellin A1 carrying an extra methyl substituent at position 2beta (3beta using gibbane skeletal numbering).


conidiogenol

A diterpenoid with formula C20H34O2. It is isolated from Penicillium cyclopium and exhibits potent conidiation inducing activity.


A polyprenyl glycosyl phosphate consisting of N,N'-diacetyl-alpha-D-bacillosamine linked via a diphospho group to tritrans,heptacis-undecaprenol.


cis-cis-nepetalactol

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


(+)-phytocassane E

A phytocassane that is (+)-phytocassane C in which the hydroxy group at position 3 has been oxidised to the give corresponding ketone.


NEROLIDOL

A nerolidol in which the double bond at position 6 adopts a trans-configuration.


flavuxanthin

A C50 carotenoid that is an intermediate in the biosyntheses of decaprenoxanthin by Corynebacterium glutamicum and gamma-cyclic sarcinaxanthin by Micrococcus luteus.


A limonoid that is  salannin in which the furanyl group at position 17 is replaced by an oxo group. Isolated from Azadirachta indica, it exhibits anti-inflammatory activity.


An apo carotenoid C25 terpenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 12'-position.


tetradecaprenyl diphosphate

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


salvileucalin B

A diterpenoid with a rearranged neo-clerodane skeleton isolated from Salvia leucantha and has been shown exhibit antineoplastic activity.


AJUGANIPPONIN A

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


isoiguesterin

A pentacyclic triterpenoid that is a bisnortriterpene isolated from Salacia madagascariensis and exhibits antileishmanial and antileukemic activities.


soyasaponin A3

A triterpenoid saponin that is composed of soyasapogenol A having an alpha-L-rhamnopyranosyl-(1->2)-beta-D-galactopyranosyl-(1->2)-beta-D-glucopyranosiduronic acid moiety attached at the 3-position via a glycosidic linkage.


FERRUGINOL

An abietane diterpenoid that is abieta-8,11,13-triene substituted by a hydroxy group at positions 12.


11-cis-retinyl tetradecanoate

A retinyl ester obtained by formal condensation of the carboxy group of tetradecanoic acid with the hydroxy group of 11-cis-retinol.


An apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 8'- and 13-positions.


colleterpenol

A triterpenoid produced by Colletotrichum gloeosporioides colleterpenol synthase from all-trans-hexaprenyl diphosphate.


A hydroxyretinoic glucuronide obtained by the glycosylation of the carboxy group of all-trans-4-hydroxyretinoic acid with beta-glucuronic acid.


A phorbol ester that consists of 4-deoxyphorbol bearing O-acetyl and O-[13-(2Z,4E,6E)-deca-2,4,6-trienoyl] substituents at position 12 and 13 respectively.


A pentacyclic triterpenoid that is the cinnamate ester of cycloartenol. It has been isolated from the mycelia of Cordyceps sinensis.


tridecaprenyl diphosphate

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


trifloroside

A secoiridoid glycoside that is (4aS,5R,6R)-6-hydroxy-5-vinyl-4,4a,5,6-tetrahydro-1H,3H-pyrano[3,4-c]pyran-1-one in which the hydroxy group has been converted to the corresponding 2,3,6-tri-O-acetyl-beta-D-glucoside, the 4-hydroxy group of which has been esterified by formal condensation with the carboxy group of 2,3-dihydroxybenzoic acid 3-beta-D-glucoside. It is a component of Gentiana scabra root extract, which is used as an internal remedy in traditional Korean medicine for the treatment of diabetes mellitus.


tatridin A

A germacrane sesquiterpenoid in which the 10-membered ring contains one E- and one Z- double bond and is fused to a 3-methylenedihydrofuran-2(3H)-one moiety. It has been isolated from Artemesia arbuscala, Anthemis altissima and Tanacetum vulgare.


cucurbitacin

Any one of a class of tetracyclic triterpenoids, formally derived from the triterpene hydrocarbon cucurbitane, developed by some plants (especially those of the family Cucurbitaceaeas) as a defence mechanism against herbivores.


A terpene lactone that is obtained from Codinea simplex and acts as an inhibitor of glycerophosphoinositol biosynthesis.


thujopsene

A carbotricyclic compound that is cis-1,1a,4,4a,5,6,7,8-octahydrocyclopropa[d]naphthalene which is substituted by methyl groups at the 2, 4a, 8 and 8 positions.


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


AJUGAPITIN

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


cochalic acid

A pentacyclic triterpenoid that is oleanane which has been substituted by hydroxy groups at the 3beta and 16beta positions, dehydrogenated to introduce a double bond at the 12-13 position, and in which the methyl substituent at position 17 has undergone oxidation to give the corresponding carboxylic acid. Found in the cactus Myrtillocactus cochal.


Dimeric secoiridoid glycoside present in species of the Fraxinus genus


michaolide J

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


gibberellin A14

A C20-gibberellin, initially identified in Gibberella fujikuroi. It differs from gibberellin A12 in the presence of a beta-OH at C-2 (gibbane numbering).


viridiflorol

A carbotricyclic compound that is (1aS,4aR,7aR,7bR)-decahydro-1H-cyclopropa[e]azulene carrying four methyl substituents at positions 1, 1, 4 and 7 as well as a hydroxy substituent at position 4. It is a sesquiterpenoid isolated from several plant species and is a strong feeding deterrent for the melaleuca weevil that retards larval development.


bixin dialdehyde

An apo carotenoid that is the dialdehyde obtained by reduction of the terminal methyl ester and carboxy groups of bixin.


OCIMENE

A beta-ocimene that consists of octa-1,3,6-triene bearing two methyl substituents at positions 3 and 7 (the 3E-isomer).


Latia luciferin

An apo carotenoid sesquiterpenoid that consists of a cylohexene ring substituted by methyl groups at positions 2, 6 and 6 and a (1E)-1-(formyloxy)-2-methylbut-1-en-4-yl group at position 2.


preaspterpenacid acid I

A pentacyclic sesterterpene derivative.


PHORBOL

A diterpenoid with the structure of tigliane hydroxylated at C-4, -9, -12(beta), -13 and -20, with an oxo group at C-3 and unsaturation at the 1- and 6-positions.


A retinoid that is all-trans-retinoic acid in which the methyl group at position 9 is replaced by a 4-methylphenyl group. It is an inhibitor of activator protein-1 which exhibits antitumour effects in vivo.


A p-menthane monoterpenoid that is p-menth-2-ene substituted by a hydroperoxy group at position 1 and an acetyloxy group at position 8 (the 1R,4S stereoisomer). Isolated from the leaves of Laurus nobilis, it exhibits trypanocidal activity.


A carbobicylic compound that is (8aS)-1,2,3,3a,4,5,8,8a-octahydroazulene substituted by a propan-2-ylidene, methyl and methyl groups at positions 1, 3aR and 6, respectively.


A triterpenoid saponin with rubiarbonol A as the aglycone. It has been isolated from the roots of Rubia yunnanensis.


igalan

A sesquiterpene lactone that is  hexahydro-1-benzofuran-2(3H)-one substituted by a methyl group at position 6, methylene group at position 3, isopropenyl group at position 5 and a vinyl group at position 6. Isolated from Inula helenium and Rudbeckia laciniata, it exhibits antiproliferative activity.


A dodecaprenyl diphosphate having two (E)- and nine (Z)-double bonds.


A hexacyclic triterpenoid that consists of oleanane substituted by hydroxy groups at 3beta, 16alpha and C-30 positions and an oxolane bridge across positions 13 and 28.


A steroid acid that is 4beta,14-dimethyl-5alpha,9beta-9,19-cyclocholest-24-en-3beta-ol in which the 4alpha hydrogen has been replaced by a carboxy group.


areptin A

A diterpenoid isolated from the aerial parts of Ajuga reptans.


A pentacyclic triterpenoid that is lupane in which the hydrogens at the 3beta and 20 positions are substituted by hydroxy groups.


KALOPANAXSAPONIN B

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


beta-geranylfarnesene

A sesterterpene that is beta-farnesene in which one of the terminal methyl hydrogens has been replaced by a geranyl group.


alatolide

A germacrane sesquiterpenoid laactone obtained by formal condensation of the carboxy group of isobutyric acid with the secondary hydroxy group of trihydroxygermaeranolide.


rubiarbonol A 7-acetate

A pentacyclic triterpenoid that is rubiarbonol A in which the hydroxy group at position 7 is replaced by an acetyloxy group. It has been isolated from the roots of Rubia yunnanensis.


A squalene triterpenoid obtained by epoxidation accross the 2,3- and 22,23-double bonds of squalene.


BARRINGTOGENOL C

A pentacyclic triterpenoid that is olean-12-ene substituted by hydroxy groups at positions 3, 16, 21, 22 and 28 (the 3beta,16alpha,21beta,22alpha stereoisomer).


A  triterpenoid saponin that is cucurbitacin I attached to a beta-D-glucopyranosyl residue at position 2 via a glycosidic linkage. It has been isolated from  Machilus yaoshansis.


gibberellin A44

A  C20-gibberellin with a heteropentacyclic skeleton that incorporates a lactone moiety.


CAESALPININ C

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


(R)-(+)-alpha-terpineol

The (4R)-stereoiosmer of alpha-terpineol.


daturadiol

A pentacyclic triterpenoid that is olean-12-ene in which the hydrogens at the 3beta and 6beta positions have been replaced by hydroxy groups. Found in the seeds of the downy thorn-apple, Datura innoxia.


23,24-DIHYDROCUCURBITACIN B

A 23,24-dihydrocucurbitacin in which a lanostane skeleton is multi-substituted with hydroxy, methyl and oxo substituents, with unsaturation at position 5; a hydroxy function at C-25 is acetylated.


LOBOHEDLEOLIDE

A cembrane diterpenoid isolated from Lobophytum hedleyi and Lobophytum. It exhibits anti-HIV-1 activity.


A phorbol ester that is 12-deoxyphorbol in which the hydroxy groups at positions 13 and 20 have been converted to their  respective 2-methylbutanoate and acetate esters.


oxonitine

A diterpene alkaloid with formula C33H43NO12, originally isolated from Aconitum carmichaeli.


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.


Major microspecies at pH 7.3.


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.


2alpha-hydroxyl, 4beta-carboxyl motiol

Major microspecies at pH 7.3.


all-trans-phytoene

The all-trans-isomer of phytoene.


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.


name: 3beta,15beta-dihydroxy-7,11,23-trioxo-lanost-8,16-dien-26-oic acid methyl ester


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.


sporulenol

A pentacyclic sesquarterpene isolated from Bacillus subtilis and formed by cyclisation of (R)-tetraprenyl-beta-curcumene (CHEBI:64801).


LUBIMIN

A vetispirane sesquiterpenoid that consists of (2R,5S,6S,8S,10R)-8-hydroxy-10-methyl-2-(prop-1-en-2-yl)spiro[4.5]decane bearing a formyl substituent at position 6.


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.


cembrane diterpenoid

One of a class of 14-membered macrocyclic diterpenoids characterised by the presence of an isopropyl group at C-1 and by three symmetrically disposed methyl groups at C-4, -8 and -12.


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.


GINSENOSIDE RH2

A ginsenoside found in Panax species that is dammarane which is substituted by hydroxy groups at the 3beta, 12beta and 20 pro-S positions, in which the hydroxy group at position 3 has been converted to the corresponding beta-D-glucopyranoside, and in which a double bond has been introduced at the 24-25 position.


pinocarvone

A bridged compound resulting from rearrangement of carvone.


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.


A triterpenoid obtained by methylation at position 3 of botryococcene with concomitant double bond migration from position 2 to position 1.


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.


apo carotenoid C35 terpenoid

A C35 terpenoid compound arising from loss of part of the carotene skeleton.


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.


name: 4,20-Dideoxyphorbol diester from Euphorbia


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.


A guaiane sesquiterpenoid that is guaia-1,11-diene substituted by a alpha-hydroperoxy group at position 10. Isolated from Pogostemon cablin, it exhibits trypanocidal activity.


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.


gibberellin norketone

A diterpenoid that is a gibberellin in which the =O of the keto function is replaced by a =CH2 methylidene group.


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).


GINSENOSIDE RG2

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


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.


terpene

A hydrocarbon of biological origin having carbon skeleton formally derived from isoprene [CH2=C(CH3)CH=CH2].


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.


LINALYL ACETATE

A monoterpenoid that is the acetate ester of linalool. It forms a principal component of the essential oils from bergamot and lavender.


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 that is all-trans-retinol in which the hydrogens at position 4 have been replaced by an oxo group.


RUBIARBONONE C

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


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.


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.)


(+)-epi-alpha-bisabolol

A sesquiterpenoid that is bisabolane having double bonds at positions 2 and 9 as well as a hydroxy substituent at position 7.


HYRTIAL

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


A member of the class of hopanoids that is bacteriohopane-31,32,33,34-tetrol carrying additional methyl and amino substituents at positions 3 and 35 respectively. Isolated from Methylococcus capsulatus.


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.


norisoprenoid

Any compound formally derived from an isoprenoid by loss of a methylene group. Norisoprenoids are a diverse class of aromatic compounds that contribute to the varietal character of many wines, especially in aromatic varieties such as Riesling.


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.


A triterpenoid obtained by methylation at position 20 of C30-botryococcene with concomitant double bond migration from position 20 to position 21.


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.


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


GAMMA-TERPINENE

One of three isomeric monoterpenes differing in the positions of their two double bonds (alpha- and beta-terpinene being the others). In gamma-terpinene the double bonds are at the 1- and 4-positions of the p-menthane skeleton.


BUDDLEDIN A

A sesquiterpenoid based on a  humulane skeleton.


cassaine

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


dihydroartemisinin

A sesquiterpenoid compound which is used as a drug for treatment of malaria.


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.


GINSENOSIDE RH1

A tetracyclic triterpenoid that is (20S)-protopanaxadiol which is substituted by beta-D-glucoside at the 6alpha 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.


SOLANESOL

A nonaprenol that is hexatriaconta-2,6,10,14,18,22,26,30,34-nonaen-1-ol substituted by 9 methyl groups at positions 3, 7, 11, 15, 19, 23, 27, 31 and 35 (the all-trans0stereoisomer).


name: 12beta-acetoxy-3,7,11,15,23-pentaoxolanost-8-en-26-oic acid butyl ester


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).


gibberellin A3 norketone

A gibberellin norketone in which the =O of the keto function in gibberellin A3 is replaced by a =CH2 methylidene group.


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.


A sesquiterpenoid resulting formally from germacrane by hydroxylation at C(12) together with dehydrogenation across the C(1)-C(10), C(4)-C(5) and C(11)-C(13) bonds.


ajubractin E

A  diterpenoid isolated from the aerial parts of Ajuga bracteosa.