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Study on spectroscopy of two flavonyl glycosides
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- REN Xiuhua1, DU Guang1, ZONG Kai1, MA Baoxia1, ZHOU Bingfeng2
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1.Tongji Hospital of Tongji Medical College, Huazhong University of Science & Technology; 2.Hejiang Jingxin Pharmaceutical Co., Ltd.
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| Published |
| 05 Jun 2008 |
| Issue Date |
| 05 Jun 2008 |
Abstract
To study the bioactive constituents from Andrographis paniculata, two compounds were isolated and purified by column chromatography on AB-8 macroporous adsorption resin and polyamide. Their structures were determined by various spectroscopic methods, including UV, FABMS, 1H-NMR, 13C-NMR, DQFCOSY, TOCSY, HMQC, HMBC, and NOESY. The 1H-NMR and 13C-NMR signals of the two compounds were assigned. The structures of the two compounds were elucidated as 5,4′-dihydroxy-7-methoxyflavone-6-yl-?-D-glucopyranoside and 5,4′-dihydroxy-7-methoxyflavone- 8-yl-?-D-glucopyranoside, respectively.
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REN Xiuhua, DU Guang, ZONG Kai, MA Baoxia, ZHOU Bingfeng.
Study on spectroscopy of two flavonyl glycosides
from. Front. Chem. China, 2008, 3(2): 178‒181 https://doi.org/10.1007/s11458-008-0034-z
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