申请人:Merrell Dow Pharmaceuticals Inc.
公开号:US04761474A1
公开(公告)日:1988-08-02
3-(1H-Tetrazol-5-yl)thieno[2,3-d]pyrimidin-4(3H)-ones useful as antiallergic agents are described herein. The compounds are prepared by cyclization of an appropriate substituted amidine using an alkali metal base. The reaction is carried out in an appropriate inert solvent.
本文描述了作为抗过敏剂有用的3-(1H-四唑-5-基)噻吩[2,3-d]嘧啶-4(3H)-酮。这些化合物是通过使用碱金属碱对适当取代的酰胺进行环化制备的。反应在适当的惰性溶剂中进行。