Structures of four new isoprenylated xanthones, cudraxanthones h,i,j, and k1,2 |
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| Authors: | Hano Y Matsumoto Y Sun J Y Nomura T |
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| Institution: | Faculty of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274, Japan. |
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| Abstract: | Four new isoprenylated xanthones, cudraxanthone H,I,J, and K were isolated from the ethanol extract of the root bark of CUDRANIA TRICUSPIDATA (Carr.) Bur. (Moraceae), collected in China. The structures of cudraxanthones H,I,J, and K were shown to be 1- 4, respectively, on the basis of chemical and spectral evidence. |
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