| Two
Novel Poly-Oxygen Bipyridine Alkaloids from Speranskia tuberculata |
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| 作者姓名： | Jian Gong SHI Han Qing Wang Min WANG Guang Xiong ZHOU. Yong Chun YANG Wen Yan HU |
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| 作者单位： | Institute of Materia Medica，Chinese Academy of Medical Sciences and Peking Union Medical College. Beijing 100050; Lanzhou Institute of Chemical Physics. Chinese Academy |
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| 摘 要： | In a previous paper' we reported two optically active pyridine-2, 6 (l H. 3H)-dionealkatoids speranskalines A and B from SPeranskia luberculala (Bge.) (Euphorbiaceae)We report here the isolation and structural elucidation of two novel poly-oxygenbipyridine alkaloids named speranculatines A (l) and B (2) from this plant.The acetone (or methanol) extract of the air-dried whole plants of .q. IllhelT.lllaluwas subjected to column chromatography on St gel to afford a fraction. whichdemonstrate…
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Two Novel Poly-Oxygen Bipyridine Alkaloids from Speranskia tuberculata |
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| Jian Gong SHI,Han Qing Wang,Min WANG,Guang Xiong ZHOU. Yong Chun YANG,Wen Yan HU.Two
Novel Poly-Oxygen Bipyridine Alkaloids from Speranskia tuberculata[J].Chinese Chemical Letters,2000,11(3):225-228. |
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| Authors: | Jian Gong SHI Han Qing Wang Min WANG Guang Xiong ZHOU Yong Chun YANG Wen Yan HU |
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| Abstract: | Two novel poly -oxygen bipyridine alkaloids, speranculatines A (1) and B (2) have been isolated from speranskia tuberculata. Their structures were elucidated by spectroscopic methods including 2D NMR techniques and X-ray crystallographic analysis. |
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| Keywords: | Speranskia tuberculata Euphorbiaceae speranculatines A and B |
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