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A new norsesquiterpenoid from Russula delica Fr
Yasunori Yaoita1, Hitomi Ono, Masao Kikuchi
1Tohoku Pharmaceutical University, Miyagi 981-8558, Japan.
Chemical & Pharmaceutical Bulletin
|August 13, 2003
Abstract:
Russulanorol (1), a new norsesquiterpenoid with a novel carbon skeleton, was isolated from the fruiting bodies of Russula delica FR. (Russulaceae) together with three known sesquiterpenoids. The structure of 1 was elucidated on the basis of spectral data and chemical transformation. Compound 1 is an equilibrium mixture of two stereoisomers (1a, b) on the C-11 acetal carbon.