Cucurbitane-Type Triterpenoids from the Stems of Momordica charantia.

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Title:	Cucurbitane-Type Triterpenoids from the Stems of Momordica charantia.
Authors:	(Chang, Chi-I)、(Chen, Chiy-Rong)、(Liao, Yun-Wen)、(Cheng, Hsueh-Ling)、(Chen, Yo-Chia)、周昌弘(Chang-Hung Chou)*
Contributors:	生命科學院生態暨演化生物學研究所;中國附醫院長室
Date:	2008-07
Issue Date:	2009-08-25 14:41:10 (UTC+8)
Abstract:	Four new cucurbitane-type triterpenes, cucurbita-5,23(E)-diene-3β,7β,25-triol (1), 3β-acetoxy-7β-methoxycucurbita-5,23(E)-dien-25-ol (2), cucurbita-5(10),6,23(E)-triene-3β,25-diol (5), and cucurbita-5,24-diene-3,7,23-trione (6), together with four known triterpenes, 3β,25-dihydroxy-7β-methoxycucurbita-5,23(E)-diene (3), 3β-hydroxy-7β,25-dimethoxycucurbita-5,23(E)-diene (4), 3β,7β,25-trihydroxycucurbita-5,23(E)-dien-19-al (7), and 25-methoxy-3β,7β-dihydroxycucurbita-5,23(E)-dien-19-al (8), were isolated from the methyl alcohol extract of the stems of Momordica charantia. The structures of the new compounds were elucidated by spectroscopic methods.
Relation:	JOURNAL OF NATURAL PRODUCTS 71(8)1327 ~1330
Appears in Collections:	[Graduate Institute of Ecology and Evolutionary Biology ] Journal articles

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