Process for preparing 3-(4-aminoethoxybenzoyl)benzo[b]thiophenes
申请人:Eli Lilly and Company
公开号:US04358593A1
公开(公告)日:1982-11-09
The use of particularly advantageous protecting groups for the hydroxy groups of 6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thiophenes provides a high-yielding process for the preparation of such compounds having a 4-(2-aminoethoxy)benzoyl 3-group.