Austalide K

Systematic name:

2H-​Benzo[a]​furo[3,​4-​i]​xanthene-​3,​11-​dione, 1,​4,​4a,​5,​6,​6a,​9,​13,​13a,​13b-​decahydro-​12-​methoxy-​4,​4,​6a,​8,​13b-​pentamethyl-​, (4aR,​6aS,​13aR,​13bS)​-

Molecular formulae: 

C₂₅H₃₂O₅

Molecular weight: 412.5

Chemical abstract number: 87833-53-2

Literature reference:

• Biosynthesis of austalide D, a meroterpenoid mycotoxin from Aspergillus ustus. De Jesus, Amelia E.; Horak, R. Marthinus; Steyn, Pieter S.; Vleggaar, Robert. Journal of the Chemical Society, Chemical Communications (1983), (13), 716-18.
  Metabolites of Aspergillus ustus. Part 3. Structure elucidation of austalides G-​L. Horak, R. Marthinus; Steyn, Pieter S.; Vleggaar, Robert; Rabie, Christiaan J. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) (1985), (2), 363-7.
  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, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) (1985), (2), 345-56.

References URL: 

• http://pubs.rsc.org/en/Content/ArticleLanding/1985/P1/p19850000363#!divAbstract
• http://pubs.rsc.org/en/Content/ArticleLanding/1985/P1/p19850000345#!divAbstract
• http://pubs.rsc.org/en/Content/ArticleLanding/1983/C3/c39830000716#!divAbstract
• https://pubchem.ncbi.nlm.nih.gov/compound/Austalide-K#section=2D-Structure

Aspergillus Species known to produce this metabolite:

• /species/a-ustus

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Mycotoxin & Metabolites

Mycotoxin & Metabolite database

Aspergillus species produce a large number of secondary metabolites, sometimes referred to as extrolites. We attempt to list them all here and we also collect published papers.

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