申请人:ORTHO PHARMACEUTICAL CORPORATION
公开号:EP0272914A2
公开(公告)日:1988-06-29
The synthesis of benzoxazinyl- and benzothiazinylpyridazinone compounds is described. The novel compounds are cardiotonic agents and inhibitors of phosphodiesterase. In addition, the compounds are useful as smooth muscle relaxants and bronchodilators.
介绍了苯并恶嗪基和苯并噻嗪基哒嗪酮化合物的合成。 这些新型化合物是强心剂和磷酸二酯酶抑制剂。 此外,这些化合物还可用作平滑肌松弛剂和支气管扩张剂。