Fungal Metabolites. II. Structural Elucidation of Minor Metabolites, Valinotricin, Cyclonerodiol Oxide, and Epicyclonerodiol Oxide, from Trichoderma polysporum

TETSURO FUJITA; YOSHIHISA TAKAISHI; YOSHIO TAKEDA; TETSUJI FUJIYAMA; TAKAHITO NISHI

doi:10.1248/cpb.32.4419

TETSURO FUJITA, YOSHIHISA TAKAISHI, YOSHIO TAKEDA, TETSUJI FUJIYAMA, TAKAHITO NISHI

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Keywords: valinol

JOURNAL FREE ACCESS

1984 Volume 32 Issue 11 Pages 4419-4425

DOI https://doi.org/10.1248/cpb.32.4419

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Abstract

A new minor metabolite, valinotricin (1), along with cyclonerodiol oxide (9) and epicyclonerodiol oxide (10) was isolated from Trichoderma polysporum. The structure of valinotricin was elucidated as 1 by chemical and spectral studies, and then confirmed by synthesis. Chemical and spectroscopic studies of cyclonerodiol oxide and epicyclonerodiol oxide led to the structures 9 and 10, respectively.

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