Cucurbitane triterpenoids from Momordica charantia.
作者： Qing-Yan Li , Hu-Biao Chen , Zhen-Ming Liu , Bin Wang , Yu-Ying Zhao
DOI: 10.1002/MRC.1989
关键词: Triterpenoid 、 Molecular conformation 、 Spectral data 、 Traditional medicine 、 Chemistry 、 Momordicoside L 、 Momordica 、 Cucurbitane 、 Momordicoside M 、 Saponin
摘要: Three new cucurbitane-type triterpenoid saponins, 23-O-beta-D-allopyranosyl-5beta,19-epoxycucurbita-6,24-diene-3beta,22(S),23(S)-triol-3-O-beta-D-glucopyranoside (1), 23-O-beta-D-allopyranosyl-5beta,19-epoxycucurbita-6,24-diene-3beta,22(S),23(S)-triol-3-O-beta-D-allopyranoside (2), and 23-O-beta-D-allopyranosyl-5beta,19-epoxycucurbita-6,24-diene-3beta,19(R), 22(S),23(S)-tetraol-3-O-beta-D-allopyranoside (3), named momordicoside M, N, O, respectively, along with one known saponin L (4), were isolated from the fresh fruits of Momordica charantia. The structures these saponins elucidated on basis chemical properties spectral data.
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