A new flavanone glucoside from Abrus precatorius |
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| Authors: | Zhihui Xiao Fazuo Wang Hao Yin Aijun Sun Chuanrong Li Qingxin Li Si Zhang |
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| Affiliation: | 1.Key Laboratory of Marine Bio-Resources Sustainable Utilization, South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou,P. R. China;2.Guangdong Key Laboratory of Marine Materia Medica, SCSIO, CAS,Guangzhou,P. R. China;3.RNAM Center for Marine Microbiology, CAS,Guangzhou,P. R. China |
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| Abstract: | A new flavanone glycoside, (2S)5,7,4′-trihydroxyflavanone-8-C-β-D-(6″-O-acetyl)glucopyranoside (1), together with six known flavonoids, isohemiphloin (2), vitexin (3), cirsimaritin (4), hispidulin (5), apigenin (6), and eupatorin (7), was isolated from the leaves and stems of Abrus precatorius. Their structures were elucidated on the basis of physical and spectral analysis. Rotamers exist for compounds 1, 2, and 3. Compounds 1–3, 6, and 7 were isolated from this plant for the first time. |
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