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.
特别有利的保护基团用于对6-羟基-2-(4-羟基苯基)苯并[b]噻吩的羟基,提供了一种高产率的制备具有4-(2-氨基乙氧基)苯甲酰基3基团的化合物的方法。