申请人:LI Jinliang
公开号:US20100249409A2
公开(公告)日:2010-09-30
The present invention discloses a process for stereoselective synthesis of Lamivudine comprising the following steps: (a) performing a glycosylation-reaction between the compound of formula (I) and cytosine or protected cytosine, and separating the reaction product by recrystallization to obtain the intermediate of formula (II); and (b) deprotecting the intermediate of formula (II) to obtain Lamivudine.