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New Triquinane-Type Sesquiterpenoids from Macrocystidia cucumis (Basidiomycetes)

✍ Scribed by Veronika Hellwig; Johannes Dasenbrock; Susanne Schumann; Wolfgang Steglich; Klaus Leonhardt; Timm Anke

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
621 KB
Volume
1998
Category
Article
ISSN
1434-193X

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✦ Synopsis

Arthrosporone (1) and eight new triquinane-type sesquiter-

The absolute configuration of cucumin F (8) was assigned by 1 H-NMR analysis of the corresponding Mosher esters. Two penoids have been isolated from mycelial cultures of the agaric Macrocystidia cucumis. The cucumins AϪD (2, 4Ϫ6) are further metabolites were identified as cyclo(phenylalanylprolyl) (12) and cyclo(leucylprolyl) (13). Cucumin A (2) exhibits highly unsaturated hirsutane derivatives, whereas the cucumins EϪG (7Ϫ9) represent a new type of linear triquinanes. antibacterial and cytotoxic activities. Cucumin H ( ) is a new member of the ceratopicane group.

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