Flavanes from Dracaena cambodiana
文献类型: 外文期刊
第一作者: Liu, Jian
作者: Liu, Jian;Dai, Hao-Fu;Wu, Jiao;Zeng, Yan-Bo;Mei, Wen-Li
作者机构:
关键词: Dracaena cambodiana;Flavane;(2S)-4 ',7-Dihydroxy-6,8-dimethylfalvane;(2S)-5,7-Dihydroxy-4 '-methoxy-8-methylflavane;Antimicrobial Activity
期刊名称:ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES ( 影响因子:1.047; 五年影响因子:0.945 )
ISSN: 0932-0776
年卷期: 2008 年 63 卷 12 期
页码:
收录情况: SCI
摘要: Two new flavanes, (2S)-4',7-dihydroxy-6.8-dimethylflavane (1), and (2S)-5,7-dihydroxy-4'-methoxy-8-methylflavane (2), together with five known flavanes, (2S)-3',7-dihydroxy-4'-methoxy-8-methylflavane (3), (2R)-4',7-dihydroxy-8-methylflavane (4), (+/-)-3',7-dihydroxy-4'-methoxyflavane (5), (+/-)-4',7-dihydroxy-3-methoxyflavane (6), and (2S)-4',7-dihydroxyflavane (7), were isolated from the stem of Dracaena cambodiana. Their structures were determined by spectroscopic techniques (UV, IR, 1D and 2D NMR). Their antimicrobial activities were preliminarily examined by the filter paper disc agar diffusion method.
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