Triterpene Glycosides of Scheffleropsis angkae. IV. Structure of Glycosides L-C2 and L-I2期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Triterpene Glycosides of Scheffleropsis angkae. IV. Structure of Glycosides L-C2 and L-I2

Authors:	V. V. Kachala V. I. Grishkovets A. S. Stolyarenko A. S. Shashkov V. Ya. Chirva

Affiliation:	(1) N. D. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, 117913 Moscow, B-334, Leninskii pr., 47;(2) V. I. Vernadskii Tavricheskii National University, 95007 Simferopol', ul. Yaltinskaya, 4

Abstract:	Two new triterpene glycosides of the -amyrin series, L-C₂and L-I₂, 27-hydroxyursolic acid 3-O--L-arabinopyranoside and its 28-O--L-rhamnopyranosyl-(14)-O--D-glucopyranosyl-(16)-O--D-glucopyranosyl ester, are isolated from leaves ofScheffleropsis angkae(Araliaceae). The structures of the glycosides are established using chemical methods and NMR techniques (¹H,¹³C,¹³C-APT, COSY, TOCSY, HSQC, HMBC, and ROESY).

Keywords:	Scheffleropsis angkae Araliaceae triterpene glycosides 27-hydroxyursolic acid glucosides NMR
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