申请人:Pfizer Pharmaceuticals, Inc.
公开号:US05861402A1
公开(公告)日:1999-01-19
A compound of the formula: ##STR1## and its pharmaceutically acceptable salts, wherein A.sup.1 and A.sup.2 are each halo or H; X.sup.1 is CH.sub.2, CO, SO or SO.sub.2 ; X.sup.2 is CH.sub.2 or CO; Y is piperazinyl-(CH.sub.2).sub.n --, 2,3,4,5,6,7-hexahydro-1H-1,4-diazepinyl-(CH.sub.2).sub.n --or --N(R.sup.5)--(CH.sub.2).sub.n -- wherein R.sup.5 is H or C.sub.1-4 alkyl, and n is 0, 1, 2, 3, or 4; R.sup.1 is selected from the following: (a) N-morpholino-C.sub.1-4 alkylphenyl, C.sub.1-4 alkoxycarbonyl, C.sub.2-5 acyl, dihydroimidazolyl, formamidino, guanidino or dihydroimidazolylamino, etc.; (b) hydrogen, C.sub.1-4 alkyl, etc.; (c) piperidinyl; (d) C.sub.5-14 cycloalkyl, bicycloalkyl or tricycloalkyl; (e) C.sub.7-14 azacyclo-, azabicyclo- or azatricyclo-alkyl; and (f) C.sub.7-10 bicycloalkenyl, benzo C.sub.5-7 cycloalkyl or heterocyclic, etc., with proviso that when Y is piperazinyl, at least one of A.sup.1 and A.sup.2 is H; X.sup.2 is CH.sub.2 ; and/or R.sup.1 is a group selected from group (a); R.sup.2 is hydrogen, C.sub.1-4 alkyl, optionally substituted phenyl, or heterocyclic; and R.sup.3 and R.sup.4 are each C.sub.1-5 alkyl. The novel dihydropyridine compounds of this invention have excellent bradykinin antagonistic activity and are thus useful for the treatment of inflammation, cardiovascular disease, pain, common cold, allergies, asthma, pancreatitis, burns, virus infection, head injury, multiple trauma or the like in mammalian, especially humans.
该化合物的公式为:##STR1##及其药学上可接受的盐,其中A.sup.1和A.sup.2分别为卤素或H;X.sup.1为CH.sub.2,CO,SO或SO.sub.2;X.sup.2为CH.sub.2或CO;Y为哌嗪基-(CH.sub.2).sub.n --,2,3,4,5,6,7-六氢-1H-1,4-二氮杂环基-(CH.sub.2).sub.n --或--N(R.sup.5)--(CH.sub.2).sub.n --,其中R.sup.5为H或C.sub.1-4烷基,n为0、1、2、3或4;R.sup.1选自以下:(a)N-吗啉基-C.sub.1-4烷基苯基、C.sub.1-4烷氧基羰基、C.sub.2-5酰基、二氢咪唑基、甲酰胺基、鸟氨酸基或二氢咪唑基氨基等;(b)氢、C.sub.1-4烷基等;(c)哌啶基;(d)C.sub.5-14环烷基、双环烷基或三环烷基;(e)C.sub.7-14氮杂环烷基、氮杂双环烷基或氮杂三环烷基;(f)C.sub.7-10双环烯基、苯并C.sub.5-7环烷基或杂环基等,但当Y为哌嗪基时,至少有一个A.sup.1和A.sup.2为H;X.sup.2为CH.sub.2;和/或R.sup.1为(a)组中的一组。R.sup.2为氢、C.sub.1-4烷基、可选取代的苯基或杂环基;R.sup.3和R.sup.4为C.sub.1-5烷基。本发明的新型二氢吡啶化合物具有优异的缓激肽拮抗活性,因此可用于哺乳动物,特别是人类的炎症、心血管疾病、疼痛、普通感冒、过敏、哮喘、胰腺炎、烧伤、病毒感染、头部受伤、多发性创伤或类似疾病的治疗。