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Sesquiterpenes from Cultures of the Basidiomycete Conocybe siliginea

Dong-Ze Liu^†^‡, Fei Wang^†^‡ and Ji-Kai Liu*^†

State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Yunnan, , and Graduate School of Chinese Academy of Sciences, Beijing 100049,

J. Nat. Prod., 2007, 70 (9), pp 1503–1506

DOI: 10.1021/np070140n

Publication Date (Web): September 7, 2007

†

Kunming Institute of Botany.

‡

Graduate School of Chinese Academy of Sciences.

* To whom correspondence should be addressed. Tel: 86-871-5216327 . Fax: 86-871-5150227. E-mail: jkliu@mail.kib.ac.cn.

Abstract

Six new tremulane sesquiterpenes, conocenol A–D (2–5), conocenolide A (6), and conocenolide B (7), have been isolated from cultures of the basidiomycete Conocybe siliginea. The structures of 2–7 were elucidated by the analysis of spectroscopic data, including heteronuclear multiple-bond correlation, heteronuclear single-quantum coherence, and ¹H,¹H correlation spectroscopy, and a comparison with known analogues.

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