CONSTITUENTS OF FORMOSAN ANTITUMOR FOLK MEDICINE .4. WITHANGULATIN-A, A NEW WITHANOLIDE FROM PHYSALIS-ANGULATA

被引：37

作者：

CHEN, CM

CHEN, ZT

HSIEH, CH

LI, WS

WEN, SY

机构：

[1] Department of Chemistry, National Tsing Hua University, Hsinchu

来源：

HETEROCYCLES | 1990年 / 31卷 / 07期

关键词：

D O I：

10.3987/COM-90-5430

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new withanolide as a topoisomerase II inhibitor, withangulatin A was isolated from the whole herb of Physalis angulata L. (Solanaceae). The structure of withangulatin A was established as (20S,22R)-15α-acetoxy-5β,6β-epoxy-4β,14α-dihydroxy -1-oxowitha-2,16,24-trienolide (I) on the basis of spectroscopic and chemical evidence. © 1990.

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页码：1371 / 1375

页数：5

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