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[Study on the chemical constituents of Rumex patientia]
Jing Liu1, Zhong-ting Xia, Gui-rong Zhou
1Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China. liujing791@tasly.com
Objective:
To study the chemical constituents of roots of Rumex patientia.
Methods:
The compounds were separated and purified by silica column chromatopraphy, Sephadex LH-20 and identified by several spectroscopic methods.
Results:
Seven constituents were identified as nepodin (1), nepodin-8-O-beta-D-glucopyranoside (2), chrysophanol-8-O-beta-D-glucopyranoside (3), emodin-6-O-beta-D-glucopyranoside (4), emodin-8-O-beta-D-glucopyranoside (5), 1, 3, 5-trihydroxy-7-methylanthraquinone (6), physcion-8-O-beta-D-glucopyranoside (7), respectively.
Conclusion:
Compound 1 is isolated from this plant for the first time and compound 6 is isolated from Rumex L. for the first time.