Conversion of velutinal esters in the fruit bodies of Russula cuprea

被引:16
作者
Clericuzio, M [1 ]
Sterner, O [1 ]
机构
[1] LUND UNIV, DEPT ORGAN CHEM 2, S-22100 LUND, SWEDEN
关键词
Russula cuprea; Russulaceae; Basidiomycetes; marasmane sesquiterpenoids; velutinal esters; isovelleral; isovellerol; isovellerdiol; cupreal;
D O I
10.1016/S0031-9422(97)00259-8
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The only sesquiterpenoid present in intact fruit bodies of Russula cuprea was found to be velutinal, as a mixture of stearic, oleic, linoleic and palmitic acid esters. As a response to injury, the velutinal esters are converted to the marasmane sesquiterpenes isovelleral, isovellerol, isovellerdiol and the new aldehyde cupreal [(2S, 3R, 6R, 7S, 8S, 9R)-8,13-dihydroxy-5-oxo-marasmane]. The structure of cupreal was determined by a combination of spectroscopic and computational methods. (C) 1997 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1569 / 1572
页数:4
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