申请人:——
公开号:US03965173A1
公开(公告)日:1976-06-22
A process for preparing p-[5-chloro-2-methoxy-benzamidoethyl]-benzene sulfonamide consisting of treating 5-chlorosalicylic acid or its ester by methylating and aminolysis to form N-phenethyl-5-chloro-2-methoxybenzamide followed by chlorosulfonation and aminolysis.
制备p-[5-氯-2-甲氧基苯甲酰胺基乙基]-苯磺酰胺的方法包括通过对5-氯水杨酸或其酯进行甲基化和氨解反应,形成N-苯乙基-5-氯-2-甲氧基苯甲酰胺,然后进行氯磺化和氨解反应。