Citation: 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. shu

Two Novel Poly-Oxygen Bipyridine Alkaloids from Speranskia tuberculata

a Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050;
b Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000

Received Date: 11 October 1999

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.
- Speranskia tuberculata,
- Euphorbiaceae,
- speranculatines A and B
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