4-{[2-(4-吗啉)乙基]氧基}苯甲酸盐酸盐 、 2-[4-[(甲磺酰)氧]苯基]-苯并[b]噻吩-6-醇 6-甲烷磺酸 以of recrystallized product was obtained, of which 1.25 g的产率得到6-methanesulfonyloxy-2-(4-methanesulfonyloxyphenyl)-3-[4-(2-morpholinoethoxy)benzoyl]benzo[b]thiophene, hydrochloride
参考文献:
名称:
Process for preparing 3-(4-aminoethoxybenzoyl)benzo[b]thiophenes
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.