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Triterpenoid saponins from Berneuxia thebetica.

作者信息

Wang M K, Cai H, Peng S L, Ding L S, Wu F E, Chen Y Z

机构信息

Laboratory of Natural Materia Medica, Chengdu Institute of Biology, Chinese Academy of Sciences, P.R. China.

出版信息

Phytochemistry. 1998 Aug;48(8):1411-4. doi: 10.1016/s0031-9422(97)00850-9.

DOI:10.1016/s0031-9422(97)00850-9
PMID:9720318
Abstract

Four triterpenoid saponins were isolated from Berneuxia thibetica. On the basis of chemical and spectroscopic evidence, three new saponins, berneuxia saponins A, B and C, were elucidated as 21-tigloylbarringtogenol C-3 beta-O-alpha-L-rhamnopyranosyl(1-->2)-beta-D-galactopyranosyl(1-->3)[bet a- D-glucopyranosyl(1-->2)-beta-D-glucuronopyranoside], 28-tigloylbarringtogenol C-3 beta-O-alpha-L-rhamnopyranosyl(1-->2)-beta-D-galactopyranosyl(1-->3)[bet a- D-glucopyranosyl(1-->2)-beta-D-glucuronopyranoside] and 16 alpha-28-dihydroxyolean-12-en-21-one-3-O-alpha-L-rhamnopyranosyl(1 -->2) -beta-D-galactopyranosyl(1-->3)[beta-D-glucopyranosyl(1-->2)-beta-D- glucuronopyranoside]. The known saponin was desacyl jegosaponin.

摘要

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