4.7 Article

A new flavonoid glucoside from Cassia angustifolia

Journal

CHINESE CHEMICAL LETTERS
Volume 20, Issue 3, Pages 320-321

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2008.12.003

Keywords

Cassia angustifolia; Flavonol glucoside; Kaempferol-3-O-[(6'-O-trans-sinnapoyl)-beta-D-glucopyranosyl-(1 -> 6)]-beta-D-glucopyranoside

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A new flavonoid glucoside with a known one was isolated from the leaves of Cassia angustifolia. Based on the spectral analysis, including MS, H-1 NMR, C-13 NMR, DEPT,H-1-(HCOSY)-H-1, HMQC, HMBC and NOSEY, their chemical structures were determined as kaempferol-3-O-[(6'-O-trans-sinnapoyl)-beta-D-glucopyranosyI 1 -> 6)]-beta-D-glucopyranoside 1 and apigenin-6,8-di-C-glycoside 2. (C) 2008 Zhu Ju Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

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