青蛇藤中的一个新寡糖(英文)  

A new oligosaccharide from Periploca calophylla

作　　者：龙秀红[1,2] 徐冉[3] 张援虎[3] 谭小鸿[3] 孙黔云[3] 

机构地区：[1]贵州大学生命科学学院,贵州贵阳550025 [2]贵州省,中国科学院天然产物化学重点实验室,贵州贵阳550002 [3]贵州省中国科学院天然产物化学重点实验室,贵州贵阳550002

出　　处：《中国中药杂志》2012年第2期226-229,共4页China Journal of Chinese Materia Medica

基　　金：National Program on Key Basic Research Project(2009CB526512);Traditional Chinese Medicine Modernization Project in Guizhou Province([2006]5041);Science and Technology Foundation of Guizhou Province([2006]2090)

摘　　要：目的:研究青蛇藤中的化学成分。方法:应用硅胶、Sephadex LH-20,MCI,Rp-18柱色谱进行分离、纯化,根据理化常数和光谱分析鉴定其结构。结果:从青蛇藤氯仿萃取部分分离鉴定了2个寡糖,鉴定为:4-O-acetyl-β-cym(1→4)-O-β-D-cym(1→4)-O-β-D-can(1→4)-O-β-D-cym(l→4)-O-oleandronicacid-δ-lactone(1),和perisaccharide B(2)。结论:化合物1为新化合物,化合物2为首次从该植物中分离得到。Objective:To study the chemical constituents of Periploca calophylla.Method:Various chromatographic techniques were used to isolate the constituents,and their structures were identified by spectral and chemical methods.Result:Two oligosaccharides were isolated from the chloroform part of P.calophylla and their structures were identified as 4-O-acetyl-β-cymaropyranosyl(1→4)-O-β-D-cymaropyranosyl(1→4)-O-β-D-canaropyranosyl (1→4)-O-β-D-cymaropyranosy(1→4)-O-oleandronic acid-δ-lacione(1),and perisaccharide B(2).Conclusion:Compound 1 is a new com-pound.Compound 2 is reported for the first time from this plant.

关 键 词：青蛇藤 寡糖 

分 类 号：R284[医药卫生—中药学]