金铁锁中的四个环二肽  

Cyclic Dipeptides from the Root of Psammosilene tunicoides

作　　者：丁中涛[1] 周俊[2] 谭宁华[2] 

机构地区：[1]云南大学化学系,昆明650091 [2]中国科学院昆明植物研究所植物化学开放实验室

出　　处：《中草药》2000年第11期803-805,共3页Chinese Traditional and Herbal Drugs

基　　金：云南省教委资助课题(9911143)

摘　　要：从石竹科植物金铁锁 Psammosilene tunicoides中分离得到 2个环二肽及由 2个环二肽组成的混合物。它们的结构经光谱鉴定为环 (丙 -丙 ) ( )、环 (丙 -缬 ) ( )、环 (丙 -亮 ) ( )和环 (丙 -异亮 ) ( )。它们均为新的天然产物。From the root of Psammosilene tunicoides W C Wu et C Y Wu, two cyclic dipeptides (Ⅰ, Ⅱ) and a mixture of other two cyclic dipeptides (Ⅲ, Ⅳ) were obtained Their structures were elucidated as cyclo Ala Ala (Ⅰ), cyclo Ala Val (Ⅱ), cyclo Ala Leu (Ⅲ), and cyclo Ala Ile (Ⅳ), by spectroscopic means respectively All of them are new natural products

关 键 词：金铁锁 石竹科 环二肽 

分 类 号：R284.1[医药卫生—中药学]