Chem. Pharm. Bull., 53(7),826-828, July 2005

Notes

New Polyoxygenated Cyclohexenes from Uvaria kweichowensis and Their Antitumour Activities

Qiong-Ming XU, Zhong-Mei ZOU, Li-Zhen XU,^* and Shi-Lin YANG

Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences; Beijing 100094, P. R. China. * To whom correspondence should be addressed. e-mail: xulizhen2002@hotmail.com

Two new polyoxygenated cyclohexenes, kweichowenol A and B, were isolated from the leaves of Uvaria kweichowensis, and their structures were established on the basis of their spectral data. The two new compounds showed some antitumour activity by MTT assay.

Key words Annonaceae; Uvaria kweichowensis; leaf; cyclohexene; kweichowenol A; kweichowenol B