aplysiallene
aplysiallene
A furofuran that is hexahydrofuro[3,2-b]furan which is substituted at position 2 by a (1<i>E</i>,3<i>E</i>)-4-bromohexa-1,3-dien-1-yl  group and at position 5 by a (1<i>R</i>)-3-bromopropadienyl group (the 2<i>R</i>,3a<i>S</i>,5<i>R</i>,6a<i>S</i> diastereoisomer). A natural product first isolated from the red alga <em>Laurencia okamurai</em> Yamada and subsequently found in the sea hare <em>Aplysia kurodai</em>, aplysiallene is an inhibitor of sodium-potassium adenosine triphosphatase.