Citation: Qiu Ping Wu, Zhu Ju Wang, Li Ying Tang, Mei Hong Fu, Yan He. A new flavonoid glucoside from Cassia angustifolia[J]. Chinese Chemical Letters, ;2009, 20(3): 320-321. doi: 10.1016/j.cclet.2008.12.003 shu

A new flavonoid glucoside from Cassia angustifolia

Qiu Ping Wu ^a,b, ,
Zhu Ju Wang ^a ,
Li Ying Tang ^a ,
Mei Hong Fu ^a ,
Yan He ^a

a Institute of Traditional Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China;
b The National Pharmaceutical Engineering Center(NPEC) for Solid Preparation in Chinese Herbal Medicine, Nanchang 330006, China

Received Date: 28 August 2008

A new flavonoid glucoside with a known one was isolated from the leaves of Cassia angustifolia. Based on the spectral analysis,including MS, ¹H NMR, ¹³C NMR, DEPT, ¹H-¹HCOSY, HMQC, HMBC and NOSEY, their chemical structures were determined as kaempferol-3-O-[(6'''-O-trans-sinnapoyl)-β-D-glucopyranosyl (1→6)]-β-D-glucopyranoside 1 and apigenin-6,8-di-C-glycoside 2.
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