PREPARATION METHOD FOR 3BETA-ARACHIDYLAMIDO-7ALPHA, 12ALPHA, 5BETA-CHOLAN-24-CARBOXYLIC ACID
申请人:Jiang Xiangrui
公开号:US20120277448A1
公开(公告)日:2012-11-01
A method for preparing 3β-arachidylamido-7α,12α,5β-cholan-24-carboxylic acid represented by the following formula V is disclosed, which includes the following steps: converting cholic acid to the compound of formula III by acylation reaction and azidation reaction, reducing the compound of formula III to the compound of formula IV and in the end acylating the compound of formula IV with arachidoyl chloride to get the compound of formula V. The method avoids the use of protection groups.