Process for the manufacture of substituted amino-benzoic acid derivatives
申请人:Hoechst Aktiengesellschaft
公开号:US03991097A1
公开(公告)日:1976-11-09
3-Alkylamino-5-sulfamyl benzoic acid derivatives are prepared by reducing 3-acylamino-5-sulfamyl-benzoic acid derivatives by means of boron hydrides or complex boron hydrides in the presence of Lewis acids.