A biflavonoid from stems and leaves of Lonicera macranthoides |
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| Authors: | Mengying Sun Xu Feng Min Yin Yu Chen Xingzeng Zhao Yunfa Dong |
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| Affiliation: | (1) Jiangsu Center for Reasearch & Development of Medicinal Plants, Jiangsu Institute of Botany, Chinese Academy of Sciences, Nanjing Botanical Garden Mem. Sun Yat-Sen, Nanjing, 210014, P. R. China;(2) Department of Chinese Medicine, Wuhan Institute for Food and Drug Control, Wuhan, China; |
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| Abstract: | A new biflavonoid, 3′′′-O-methylamentoflavone (1), as well as a known biflavonoid, amentoflavone (2), was isolated from the stems and leaves of Lonicera macranthoides Hand.-Mazz.Their structures were established on the basis of 1D, 2D NMR (HSQC and HMBC), and ESI-TOF-MS spectroscopic methods and chemical evidence. |
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