申请人:Pfizer Inc.
公开号:US05744488A1
公开(公告)日:1998-04-28
Compounds of formula (I): ##STR1## and pharmaceutically acceptable salt and biolabile esters thereof, wherein R.sup.1 is H, C.sub.1 -C.sub.4 alkyl, phenyl optionally substituted by up to three substituents independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen and CF.sub.3, or is 1-imidazolyl, 3-pyridyl or 4-pyridyl; R.sup.2 is H or C.sub.1 -C.sub.4 alkyl, R.sup.3 is SO.sub.2 R.sup.4 or COR.sup.4 where R.sup.4 is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.3 perfluoroalkyl(CH.sub.2).sub.p, C.sub.3 -C.sub.6 cycloalkyl(CH.sub.2).sub.p, aryl(CH.sub.2).sub.p, or heteroaryl(CH.sub.2).sub.p, p being 0, 1 or 2, or R.sup.4 may be NR.sup.5 R.sup.6 where R.sup.5 is H or C.sub.1 -C.sub.4 alkyl and R.sup.6 is C.sub.1 -C.sub.6, alkyl, C.sub.3 -C.sub.6 cycloalkyl or aryl, or R.sup.5 and R.sup.6 together with the nitrogen atom to which they are attached form a 5- to 7-membered heterocyclic ring which may optionally incorporate a carbon-carbon double bond or a further heteroatom linkage selected from O, S, NH, N(C.sub.1 -C.sub.4 alkyl) and N(C.sub.1 -C.sub.5 alkanoyl); X is CH.sub.2 or a direct link, with the proviso that when R.sup.1 is 1-imidazolyl then X is CH.sub.2 ; m is 2, or 3; n is 0, 1 or 2, and wherein the group (CH.sub.2).sub.n NHR.sup.3 is attached at the 5-position when n is 0 or 1, or at the 5- or 4-position when n is 2. These compounds are selective TXA.sub.2 and PGH.sub.2 antagonists. Some also inhibit thromboxane synthetase.
化合物的分子式为(I): ##STR1## 包括其药学上可接受的盐和生物可降解酯,其中R.sup.1为H,C.sub.1-C.sub.4烷基,苯基可选地被最多三个取自C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、卤素和CF.sub.3的取代基取代,或者为1-咪唑基、3-吡啶基或4-吡啶基;R.sup.2为H或C.sub.1-C.sub.4烷基,R.sup.3为SO.sub.2R.sup.4或COR.sup.4,其中R.sup.4为C.sub.1-C.sub.6烷基、C.sub.1-C.sub.3全氟烷基(CH.sub.2).sub.p、C.sub.3-C.sub.6环烷基(CH.sub.2).sub.p、芳基(CH.sub.2).sub.p或杂芳基(CH.sub.2).sub.p,p为0、1或2,或者R.sup.4可以是NR.sup.5R.sup.6,其中R.sup.5为H或C.sub.1-C.sub.4烷基,R.sup.6为C.sub.1-C.sub.6烷基、C.sub.3-C.sub.6环烷基或芳基,或者R.sup.5和R.sup.6与它们连接的氮原子一起形成一个5-至7元杂环,该杂环可以选择性地包括一个碳-碳双键或进一步的来自O、S、NH、N(C.sub.1-C.sub.4烷基)和N(C.sub.1-C.sub.5酰基)的杂原子键;X为CH.sub.2或直接连接,但当R.sup.1为1-咪唑基时,X为CH.sub.2;m为2或3;n为0、1或2,其中当n为0或1时,(CH.sub.2).sub.nNHR.sup.3基团连接在5位,当n为2时,连接在5位或4位。这些化合物是选择性的TXA.sub.2和PGH.sub.2拮抗剂。其中一些还抑制血栓素合成酶。