申请人:American Cyanamid Company
公开号:US05008403A1
公开(公告)日:1991-04-16
There is provided a method of preparation of 2,4,5-tribromopyrrole-3-carbonitrile compounds in a single deacylative bromination step from their 2-trihaloacetylpyrrole-4-carbonitrile precursors. The 2,4,5-tribromopyrrole-3-carbonitrile compounds are useful as molluscicidal agents.
提供了一种制备2,4,5-三溴吡咯-3-碳氰化合物的方法,该方法通过单一的脱酰溴化步骤从它们的2-三卤乙酰吡咯-4-碳氰化合物前体中制备。2,4,5-三溴吡咯-3-碳氰化合物可用作杀螺剂。