EPOXYEXSEROHILONE, A NOVEL METABOLITE FROM NIGROSPORA-SPHAERICA

被引:13
作者
CUTLER, HG
HOOGSTEEN, K
LITTRELL, RH
ARISON, BH
机构
[1] MERCK SHARP & DOHME LTD,DEPT BIOPHYS CHEM,RAHWAY,NJ 07065
[2] COASTAL PLAIN CONSULTING,TIFTON,GA 31794
[3] MERCK SHARP & DOHME LTD,DEPT ANIM METAB,RAHWAY,NJ 07065
来源
AGRICULTURAL AND BIOLOGICAL CHEMISTRY | 1991年 / 55卷 / 08期
关键词
D O I
10.1080/00021369.1991.10870928
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Fermentation of Nigrospora sphaerica on shredded wheat medium generated the novel metabolite, epoxyexserohilone, a congener of the known phytotoxin, exserohilone. Single crystal X-ray diffraction determined the structure and absolute stereochemistry of this metabolite which had the molecular formula C20H22N2O6S2, melting point 190-192-degrees-C, and an EI-MS identical with its congener exserohilone. The metabolite did not exhibit biological activity in an etiolated wheat coleoptile bioassay, neither was it active against Gram-positive or Gram-negative bacteria.
引用
收藏
页码:2037 / 2042
页数:6
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