Xanthone and Benzophenone Glycosides from the Stems of Cratoxylum formosum ssp. pruniflorum

Ying-hui Duan; Yi Dai; Guang-hui Wang; Hai-feng Chen; Hao Gao; Jie-bo Chen; Xin-sheng Yao; Xiao-kun Zhang

doi:10.1248/cpb.59.231

Regular Articles

Xanthone and Benzophenone Glycosides from the Stems of Cratoxylum formosum ssp. pruniflorum

Ying-hui Duan, Yi Dai, Guang-hui Wang, Hai-feng Chen, Hao Gao, Jie-bo Chen, Xin-sheng Yao, Xiao-kun Zhang

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Keywords: Cratoxylum formosum, xanthone, retinoid X receptor α transcriptional activity

JOURNAL FREE ACCESS

2011 Volume 59 Issue 2 Pages 231-234

DOI https://doi.org/10.1248/cpb.59.231

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Abstract

Two new xanthone glycosides, namely pruniflorosides A and B (1, 2), a new benzophenone glycoside, prunifloroside C (3), and a new xanthone, pruniflorone S (4) were isolated from the stems of Cratoxylum formosum ssp. pruniflorum, along with six known xanthones (5—10). Their structures were determined on the basis of extensive spectroscopic analysis. In addition, their retinoid X receptor α (RXRα) transcriptional activities were evaluated in vitro.

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