[EN] PROCESS FOR PREPARING SUBSTITUTED INDOLE COMPOUNDS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE COMPOSÉS INDOLE SUBSTITUÉS
申请人:MERCK SHARP & DOHME
公开号:WO2016073659A1
公开(公告)日:2016-05-12
The present invention is directed to a process for preparing Substituted Indole Compounds of Formula (I): wherein R1, R2, R3 and R4 are as defined herein. These indole compounds are useful as synthetic intermediates for making inhibitors of HCV NS5A.