Isolation and identification of antifungal polyesters from the marine fungus Hypoxylon oceanicum LL-15G256

被引：63
|
作者：
Schlingmann, G [1 ]
Milne, L [1 ]
Carter, GT [1 ]
机构：
[1] Wyeth Res, Chem Sci, Nat Prod Chem, Pearl River, NY 10965 USA
来源：
TETRAHEDRON | 2002年 / 58卷 / 34期
关键词：
marine fungus; antifungal metabolites; macrolides; lactide biosynthesis; polyesters; isolation; natural product; circular dichroism; NMR;
D O I：
10.1016/S0040-4020(02)00746-9
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Cultures of the marine fungus Hypoxylon oceanicum (LL-15G256) were found to have potent antifungal activity in assays designed to detect inhibitors of fungal cell wall biosynthesis. Bio-activity guided isolation provided the macrocyclic polyesters 15G256alpha (1), 15G256alpha-1 (2) and 15G256beta (3) that were partially responsible for the antifungal activity. In addition, fermentation beers contained a series of related, but unreported metabolites designated 15G256nu. (4), 15G256omega (5), 15G256o (6), 15G256alpha-2 (7), 15G256beta-2 (8), 15G256nu (9) and 15G256pi (10). Their isolation, characterization and structures are described here and a biosynthetic sequence is proposed. (C) 2002 Elsevier Science Ltd. All rights reserved.
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收藏
页码：6825 / 6835
页数：11
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