申请人:Pfizer Inc.
公开号:US04837334A1
公开(公告)日:1989-06-06
A series of novel heterocyclic-substituted 2-(1H)-quinolone compounds have been prepared, including the 3,4-dihydro derivatives thereof, wherein the heterocyclic ring moiety is a pyrrolyl, imidazolyl, pyrazolyl, triazolyl or tetrazolyl group attached by a nitrogen atom of said group to the 5-, 6-, 7- or 8-positions of the quinolone ring. These particular compounds are useful in therapy as highly potent inotropic agents and therefore, are of value in the treatment of various cardiac conditions. Preferred member compounds include 6-(2,4-dimethylimidazol-1-yl)-8-methyl-2-(1H)-quinolone, 6-(2,4-dimethyl-5-nitroimidazol-1-yl)-8-methyl-2-(1H)-quinolone, 8-methyl-6-(tetrazol-1-yl)-2-(1H)-quinolone, 8-methyl-6-(1,2,4-triazol-4-yl)-2-(1H)-quinolone, and 6-(4-cyano-2-methylimidazol-1-yl)-8-methyl-2-(1H)-quinolone, respectively. Methods for preparing these compounds from known starting material are provided.
一系列新颖的杂环取代的2-(1H)-喹啉化合物已经制备出来,包括其3,4-二氢衍生物,其中杂环环基是通过其氮原子连接到喹啉环的5-, 6-, 7-或8-位置的吡咯基、咪唑基、吡唑基、三唑基或四唑基。这些特定的化合物在治疗中是有用的,因为它们是高效的正性肌力药物,因此对于治疗各种心脏病症是有价值的。优选的成员化合物包括6-(2,4-二甲基咪唑-1-基)-8-甲基-2-(1H)-喹啉、6-(2,4-二甲基-5-硝基咪唑-1-基)-8-甲基-2-(1H)-喹啉、8-甲基-6-(四唑-1-基)-2-(1H)-喹啉、8-甲基-6-(1,2,4-三唑-4-基)-2-(1H)-喹啉和6-(4-氰基-2-甲基咪唑-1-基)-8-甲基-2-(1H)-喹啉。提供了从已知起始材料制备这些化合物的方法。