Iridoidal glucosides from Gentiana rhodantha
Six new iridoidal glucosides, 2'-O-(3''-hydroxybenzoyl)-8-epikingiside (1), 2'-O-(3''-hydroxybenzoyl)-kingiside (2), 6'-O-p-coumaroyl-8-epikingiside (3), loganic acid 11-O--glucopyranosyl ester (4), 6'-O--glucopyranosyl secologanoside (5), and 6'-O--glucopyranosyl secologanol (6), together with seven known iridoidal glucosides, loganic acid (7), 6'-O--d-glucopyranosyl loganic acid (8), 8-epikingiside (9), kingiside (10), secologanoside (11), secoxyloganin (12), and alpigenoside (13), were isolated from the whole plant of Gentiana rhodantha (Gentianaceae). Their structures were elucidated by detailed spectroscopic analysis and chemical methods.
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Document Type: Research Article
Affiliations: State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
Publication date: June 1, 2008