Novel substituted 2-phenyl-1H-benzimidazoles and 2-phenyl-1H-benzimidazole-4,7-diones and novel 5-chloro-6-(4-substituted-1-piperazinyl)-2,1,3-benzothiadiazole-4,7-diones; all of which are highly active as anti-asthmatic and anti-allergic agents.
Substituted benzimidazoles and benzothidiazoles having anti-asthmatic
申请人:American Cyanamid Company
公开号:US04808586A1
公开(公告)日:1989-02-28
This disclosure describes novel substituted 2-phenyl-1H-benzimidazoles and 2-phenyl-1H-benzimidazole-4,7-diones and novel 5-chloro-6-(4-substituted-1-piperazinyl)-2,1,3-benzothiadiazole-4,7-diones ; all of which are highly active as anti-asthmatic and anti-allergic agents.