[EN] PROCESS FOR THE SYNTHESIS OF CARBONUCLEOSIDE AND INTERMEDIATES FOR USE THEREIN<br/>[FR] PROCÉDÉ DE SYNTHÈSE DE CARBONUCLÉOSIDE ET DES INTERMÉDIAIRES Y PARTICIPANT
申请人:ALPHORA RES INC
公开号:WO2011150512A1
公开(公告)日:2011-12-08
Disclosed is a process for preparing a carbonucleoside of formula (1) and intermediates for use therein. The process involves the step of reacting a compound of formula (2) with a compound of formula (3) under Mitsunobu-type reaction conditions to obtain a compound of formula (4), wherein PG1, PG2, PG3 and PG4 are protecting groups. The compound of formula (4) is deprotected to form the compound of formula (1), as shown below.
本发明涉及一种制备公式(1)的碳核苷及其中间体的方法。该方法涉及将公式(2)的化合物与公式(3)的化合物在Mitsunobu型反应条件下反应,以获得公式(4)的化合物,其中PG1,PG2,PG3和PG4是保护基。公式(4)的化合物被去保护以形成公式(1)的化合物,如下所示。