Citation: Li Ying Tang, Zhu Ju Wang, Mei Hong Fu, Yan He, Hong Wei Wu, Lu Qi Huang. A new anthraquinone glycoside from seeds of Cassia obtusifolia[J]. Chinese Chemical Letters, ;2008, 19(9): 1083-1085. doi: 10.1016/j.cclet.2008.06.006 shu

A new anthraquinone glycoside from seeds of Cassia obtusifolia

Institute of Traditional Chinese Materia Medica, Chinese Academy of Medical Sciences, Beijing 100700, China

Received Date: 28 January 2008

A new anthraquinone glycoside 1, along with a known anthraquinone glycoside aurantio-obtusin-6-O-β-D-glucopyranoside 2, were isolated from the seeds of Cassia obtusifolia. On the basis of spectral and chemical evidences, the structure of 1 was established as 1-demethylaurantio-obtusin-2-O-β-D-glucopyranoside. Moreover, the ¹³C NMR of 2 was assigned totally and correctly for the first time based on the two-dimensional NMR.
- Cassia obtusifolia,
- Anthraquinone glycoside,
- l-Demethylaurantio-obtusin-2-O-β-D-glucopyranoside
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