| NEOLIGNANS FROM PIPER KADSURA(Ⅱ) |
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| 作者姓名： | Ying MA Gui Qiu HAN Tian Yi JIANG Xian Bin YANG |
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| 作者单位： | National Laboratories of Natural and Biomemtic Drugs, Beijing Medical University, Beijing 100083 |
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| 摘 要： | Two new bicyclo3,2,1]octanoid neolignans,named as kadsurenin I andkadsurenin J were isolated from Piper kadsura(Choiey)Ohwi.Based on the spectros-copic analysis(UV,IR,MS and NMR)and chemical derivatization,their structures wereestablished as 7R,8R,1'R,2'S,3'R-Δ~s'-3,4,5'-trimethoxy-2'-hydroxy-1',2',3',4'-tetrahydro-4'-oxo-7.3',8.1'-neolignan and 7R,8R,1'R,2'S,3'R-Δ~s'-3,4,5'-trimethoxy-2'-acetoxy-1',2',3',4'-tetrabydro-4'-oxo-7.3',8.1'-neolignan respectively.
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NEOLIGNANS FROM PIPER KADSURA (Ⅱ) |
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| Ying MA,Gui Qiu HAN,Tian Yi JIANG,Xian Bin YANG.NEOLIGNANS FROM PIPER KADSURA (Ⅱ)[J].Chinese Chemical Letters,1992,3(8):635-636. |
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| Authors: | Ying MA Gui Qiu HAN Tian Yi JIANG Xian Bin YANG |
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| Institution: | National Laboratories of Natural and Biomemtic Drugs, Beijing Medical University, Beijing 100083 |
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| Abstract: | Two new bicyclo3,2,1] octanoid neolignans,named as kadsurenin I and kadsurenin J were isolated from Piper kadsura (Choiey) Ohwi.Based on the spectros-copic analysis (UV,IR,MS and NMR) and chemical derivatization,their structures were established as 7R,8R,1'R,2'S,3'R-Δs'-3,4,5'-trimethoxy-2'-hydroxy-1',2',3',4'-tetrahydro-4'-oxo-7.3',8.1'-neolignan and 7R,8R,1'R,2'S,3'R-Δs'-3,4,5'-trimethoxy-2'-acetoxy-1',2',3',4'-tetrabydro-4'-oxo-7.3',8.1'-neolignan respectively. |
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