[C21 steroidal constituents from Cynanchum hancockianum].
作者信息
Lou H X, Li X, Zhu T R
机构信息
Division of Natural Product Research Shenyang College of Pharmacy.
出版信息
Yao Xue Xue Bao. 1992;27(8):595-602.
PMID:1481676
Abstract
Two new compounds hancogenin B (V) and hancoside A (VI) and four known compounds glucogenin C (I), cynatratoside A (II), glaucogenin A (III) and anhydrohirundigenin (IV) were isolated from the roots of Cynanchum hancockianum (Maxim) Al. Iljinski. Their structures were identified on the basis of spectral evidence. The fragmentation ways of 13:14, 14:15-secopregnenes in EIMS were outlined and the antitumor activity of II and the antiendotoxic activity of VI were also preliminarily tested in vitro.
摘要
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