Austalide B

Systematic name: 

5H-​3,​5a-​Epoxy-​12H-​furo[3,​4-​i]​oxepino[4,​3-​a]​xanthen-​12-​one, 1,​2,​3,​6,​7,​7a,​10,​14,​14a,​14b-​decahydro-​6-​hydroxy-​3,​13-​dimethoxy-​5,​5,​7a,​9,​14b-​pentamethyl-​, (3S,​5aR,​6R,​7aS,​14aR,​14bR)​-

Molecular formulae: 

C26H34O8

Molecular weight: 

474.54

Chem abstract number: 

81543-02-4

Literature reference: 

Structures of the austalides A-​E, five novel toxic metabolites from Aspergillus ustus. Horak, R. Marthinus; Steyn, Pieter S.; Van Rooyen, Petrus H.; Vleggaar, Robert; Rabie, Christiaan J. Journal of the Chemical Society, Chemical Communications (1981), (24), 1265-7. Metabolites of Aspergillus ustus. Part 1. Application of the heteronuclear selective population inversion (SPI) NMR technique to the structure elucidation of the austalides A-​F, novel ortho ester meroterpenoids. Horak, R. Marthinus; Steyn, Pieter S.; Vleggaar, Robert; Rabie, Christiaan J. Journal of the Chemical Society,...

Structure image: 

Species known to produce this metabolite: