SECONDARY MOLD METABOLITES .34. ISOLATION AND STRUCTURE ELUCIDATION OF ILLUDOSIN, A NOVEL SESQUITERPENE FROM CLITOCYBE-ILLUDENS USING ONE AND 2-DIMENSIONAL NMR TECHNIQUES

被引:15
作者
ARNONE, A [1 ]
CARDILLO, R [1 ]
NASINI, G [1 ]
DEPAVA, OV [1 ]
机构
[1] POLITECN MILAN,DIPARTMENTO CHIM,CNR,CTR SOSTANZE ORG NAT,PIAZZA L DA VINCI 32,I-20133 MILAN,ITALY
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1991年 / 08期
关键词
D O I
10.1039/p19910001787
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The structure of illudosin 1, a novel sesquiterpene isolated from the still liquid cultures of Clitocybe illudens (= Omphalotus olearius), has been assigned on the basis of H-1 and C-13 NMR spectroscopic studies, inclduing H-1-C-13 heteronuclear correlation spectra (HETCOR and COLOC). The preferred conformation and the absolute configuration of the metabolite were deduced from NOE experiments and the application of the exciton chirality method on the dibenzoate 2. Illudosin may be regarded as an intermediate in the biosynthesis of the fomannosin 3.
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页码:1787 / 1791
页数:5
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