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Deoxyaustrocortilutein and deoxyaustrocortirubin, tetrahydroanthraquinones from the Genus Cortinarius☆ by Melvyn Gill; Albin F. Smrdel is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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The hydroxylated tetrahydroanthraquinones deoxyaustrocortilutein and deoxyaustrocortirubin have been isolated from fruit bodies of a red Australian toadstool belonging to Corrinmius; the structures are proved by chemical correlation with their co-metabolites austrocortilutein and austrocortirubin. ## INTRODUtZiON We have previously recorded in predict form [ 1] the isolation of the first two hydroxylat~ tetrahy-droanthraquinon~ found in Basidiomycetes, These potent biologically active quinones, austrocorttiutein (1) and austrocortirubin (3), ~fe the major pigments of the fruit bodies of a red toadstool collected in South-Pastern Australia.7 In view of the scarcity of pre-anthraquinones such as 1 and 3 in the Higher Fungi and the importance of pigments to the rapidly developing chemotaxonomy of Cortinarius [Z-4] we have subsequently examined several of the other colouring matters present in this fungus. We report here the isolation and characterisation of a further two te~~ydro~t~aquinon~ which correspond to the ldeoxy derivatives 2 and 4 of austrocortilutein and austr~o~rubin, respectiveIy.$ ## RESULTS AND DlSCU §SlON Soxhlet extraction of the freeze-dried toadstools with chlorofor

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Author

Melvyn Gill; Albin F. Smrdel

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0031-9422)

Published

1987

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)