A new lignan rhamnoside from Bauhinia retusa seed pods(Caesalpiniaceae)  

作　　者：Sushma Semwal Rajni Kant Sharma 

机构地区：[1]Department of Chemistry,HNB Garhwal Central University Srinagar,Uttarakhand,India [2]Department of Chemistry,University of Cape Town,Cape Town,Rondebosch 7701,South Africa

出　　处：《Chinese Chemical Letters》2011年第9期1081-1083,共3页中国化学快报（英文版）

摘　　要：A new lignan rhamnoside identified as 2,6-di（4＇,5＇-dihydroxyphenyl）-3,7-dioxabicyclo[3.3.0]octane-1-hydroxy-5-O-rhamnopyranoside （1） has been isolated from the ethanolic extract of seed pods of Bauhinia retusa. Its structure was established by extensive spectroscopic techniques （UV, IR, 1D NMR, 2D NMR, HRESIMS）.A new lignan rhamnoside identified as 2,6-di（4＇,5＇-dihydroxyphenyl）-3,7-dioxabicyclo[3.3.0]octane-1-hydroxy-5-O-rhamnopyranoside （1） has been isolated from the ethanolic extract of seed pods of Bauhinia retusa. Its structure was established by extensive spectroscopic techniques （UV, IR, 1D NMR, 2D NMR, HRESIMS）.

关 键 词：Bauhinia retusa CAESALPINIACEAE Lignan rhamnoside 

分 类 号：S567.19[农业科学—中草药栽培]