EPIMERS

作品数：13被引量：19H指数：2
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相关领域：理学更多>>
相关机构：北京大学更多>>
相关期刊：《Chinese Journal of Natural Medicines》《Science China Chemistry》《Science Bulletin》《Journal of Chinese Pharmaceutical Sciences》更多>>
相关基金：国家自然科学基金王宽诚敎育基金更多>>
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An easy route to exotic 9-epimers of 9-amino-(9-deoxy) cinchona alkaloids with(8S,9R) and(8R,9S)-configurations through two inversions of configuration
《Chinese Chemical Letters》2014年第4期557-560,共4页Jing-Wei Wan Xue-Bing Ma Rong-Xing He Ming Li 
Research support from the National Science Foundation ofChina(No.21071116);Chongqing Scientific Foundation,China(No.2010BB4126)
Four exotic chiral organocatalysts, 9-amino-（9-deoxy） cinchona alkaloids with （8S, 9R） and （8R, 9S）- configurations, were conveniently synthesized for the first time in 27-72% total yields through two conversion...
关键词：Cinchona alkaloids 9-Amino-（9-deoxy） cinchona alkaloids Synthesis Inversion of configuration 
A Pair of Dimeric Stilbene Epimers from Gnetum Montanum被引量：2
《Chinese Chemical Letters》1998年第11期0-0,0,共3页Hao CHEN Mao LIN (Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050) 
A pair of dimeric stilbenes, gnetifolin M and gnetifolin N were isolated from the lianas of Gnetum montanum. All attempts to separate them by HPLC were unsuccessful. Their str-uctures were elucidated by the spectrosco...
关键词：Gnetum montanum  gnetacea  stilbene gnetifolins M  N. 
THE　ISOLATION　AND　CHEMICAL　STRUCTURE　OF　ISOANNONARETICINS，A　PAIR　OF　2－EPIMERS　FROM　ANNONA　RETICULATA（ANNONACEAE）
《Chinese Chemical Letters》1996年第1期19-22,共4页Jing’Guang YU and Dong LIU(Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences andPeking Union Medical College, Beijing 100094) 
A new acetogenin 2,4ets-cis-isoannonareticin (2-1) (2,4-cis-bullatacinone) and a known bullatacinone (2,4--trans-isoannonareticin) (2-2) were a pair of isomersepimeric at C-2 which were isolated as two pure natural co...
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