申请人:Pfizer Inc.
公开号:US04935430A1
公开(公告)日:1990-06-19
Platelet activating factor antagonists of formula (I): ##STR1## wherein R is phenyl or phenyl substituted by one or more substituents selected from nitro, halo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, aryl (C.sub.1 -C.sub.4) alkoxy, fluoro (C.sub.1 -C.sub.4) alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulphonyl, hydroxy, trifluoromethyl and cyano, or is phenyl fused to a dioxole ring; R.sup.1 and R.sup.2 are each independently H or C.sub.1 -C.sub.6 alkyl, or R.sup.1 and R.sup.2 together complete a pyrrolidinyl, piperidino, morpholino, piperazinyl, N-(C.sub.1 -C.sub.4 alkyl) piperazinyl or N-(C.sub.2 -C.sub.4 alkanoyl)-piperazinyl group; or R.sup.2 is H or C.sub.1 -C.sub.4 alkyl and R.sup.1 is CN, C.sub.3 -C.sub.7 cycloalkyl, aryl, heteroaryl or a C.sub.1 -C.sub.4 alkyl group substituted by one or more substituents selected from C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxycarbonyl, aryl or heteroaryl; Z is selected from C.sub.1 -C.sub.6 alkoxy, aryl (C.sub.1 -C.sub.4) alkoxy, hydroxy, and --NR.sup.4 R.sup.5 wherein each of R.sup.4 and R.sup.5 is independently H or C.sub.1 -C.sub.6 alkyl, or R.sup.4 and R.sup.5 together complete a pyrrolidinyl, piperidino, morpholino, piperazinyl or N-(C.sub.1 -C.sub.4 alkyl) piperazinyl group; Y is 1,4 phenylene or pyridine-2,5-diyl, and X is a 5 or 6 membered aromatic heterocyclic group containing one or more nitrogen atoms in its ring; which ring may be fused to a benzene ring or to a further 5- or 6-membered aromatic heterocyclic ring containing one or more nitrogen atoms, at least one of said heterocyclic rings optionally also containing an oxygen or sulphur atom, and being optionally substituted with one or more substituents selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halo, CF.sub.3 and CN; and their pharmaceutically acceptable salts.
公式(I)的血小板活化因子拮抗剂:其中R是苯基或苯基,其上取代基可从硝基,卤素,C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4烷氧基,芳基(C.sub.1-C.sub.4)烷氧基,氟基(C.sub.1-C.sub.4)烷氧基,C.sub.1-C.sub.4烷基硫基,C.sub.1-C.sub.4烷基磺酰基,羟基,三氟甲基和氰基中选择一个或多个取代基;或者是与二噁唑环融合的苯基;R.sup.1和R.sup.2分别独立地为H或C.sub.1-C.sub.6烷基,或者R.sup.1和R.sup.2一起形成吡咯啉基,哌啶基,吗啉基,哌嗪基,N-(C.sub.1-C.sub.4烷基)哌嗪基或N-(C.sub.2-C.sub.4烷酰基)-哌嗪基;或者R.sup.2为H或C.sub.1-C.sub.4烷基,R.sup.1为CN,C.sub.3-C.sub.7环烷基,芳基,杂环芳基或一个C.sub.1-C.sub.4烷基,其上取代基可从C.sub.3-C.sub.7环烷基,C.sub.1-C.sub.4烷氧羰基,芳基或杂环芳基中选择一个或多个取代基;Z从C.sub.1-C.sub.6烷氧基,芳基(C.sub.1-C.sub.4)烷氧基,羟基和--NR.sup.4R.sup.5中选择,其中R.sup.4和R.sup.5中的每一个独立地为H或C.sub.1-C.sub.6烷基,或者R.sup.4和R.sup.5一起形成吡咯啉基,哌啶基,吗啉基,哌嗪基或N-(C.sub.1-C.sub.4烷基)哌嗪基;Y为1,4-苯基或吡啶-2,5-二基,X为含有一个或多个氮原子的5或6成员芳香杂环基团;该环可能与苯环融合,或与进一步含有一个或多个氮原子的5-或6成员芳香杂环环融合,至少其中一个杂环环可选地还含有一个氧原子或硫原子,并可选地取代一个或多个取代基,所述取代基可从C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4烷氧基,卤素,CF.sub.3和CN中选择;以及其药学上可接受的盐。