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TETRA-ACETYLENIC METABOLITES FROM MYCENA VIRIDIMARGINATA
Jente, Ruth,Bosold, Ferdinand,Baeuerle, Joachim,Anke, Timm
, p. 553 - 560 (1985)
Key Word Index - Mycena viridimarginata; Basidiomycetes; acetylenic compounds; tetraynamide; tetrayne lactone; chromophores of polyynamides. - The structures of two new acetylenic compounds fro Mycena viridimarginata were elucidated by spectroscopic methods and some chemical transformations.The major metabolite was 10-hydroxyundeca-2,4,6,8-tetraynamide and the minor one was 3,4,13-trihydroxytetradeca-5,7,9,11-tetraynoic acid γ-lactone.Another compound, methyl-3,4,13-trihydroxytetradeca-5,7,9,11-tetraynoate, was found to be an artifact from the γ-lactone produced on the Sephadex LH-20 column.Furthermore, model compounds were prepared to establish the chromophoric system of the major metabolite.
