申请人:Merck Sharp & Dohme Ltd.
公开号:US05811431A1
公开(公告)日:1998-09-22
The present invention relates to compounds of formula (I), wherein n is zero, 1, 2 or 3; R represents C.sub.1-6 alkyl, C.sub.1-6 alkoxy, hydroxy, halogen, cyano, trifluoromethyl SO.sub.2 C.sub.1-6 alkyl, NR.sup.a R.sup.b, NR.sup.a COR.sup.b or CONR.sup.a R.sup.b, where R.sup.a and R.sup.b are each H, C.sub.1-4 alkyl, phenyl or trifluoromethyl; R.sup.1 represents phenyl optionally substituted by 1, 2 or 3 of C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, --O(CH.sub.2).sub.p O-- (where p is 1 or 2), halogen, cyano, nitro, trifluoromethyl, trimethylsilyl, OR.sup.a, SR.sup.a, SOR.sup.a, SO.sub.2 R.sup.a, NR.sup.a R.sup.b, NR.sup.a COR.sup.b, NR.sup.a CO.sub.2 R.sup.b, COR.sup.a, CO.sub.2 R.sup.a or CONR.sup.a R.sup.b ; naphthyl; benzhydryl; or benyl, where the naphthyl group or each phenyl moiety of benzyl and benzhydryl may be substituted by C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or trifluoromethyl; R.sup.2 represents hydogen, a substituent as defined for R.sup.1 or heteroaryl selected from indazolyl, thienyl, furanyl, pyridyl, thiazolyl, tetrazolyl and quinolinyl; wherein each heteroaryl may be substituted by C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or trifluoromethyl; R.sup.3 and R.sup.4 are each H or C.sub.1-6 alkyl or R.sup.3 and R.sup.4 together are linked so as to form a C.sub.1-3 alkylene chain; R.sup.5 represents H, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, phenylC.sub.1-4 alkyl, CO.sub.2 R.sup.a, CONR.sup.a R.sup.b, SOR.sup.a or SO.sub.2 R.sup.a, wherein the phenyl moiety may be substituted by C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or trifluoromethyl; X and Y are each H, or together represents .dbd.O; and Z represents a bond, O, S, SO, SO.sub.2, NR.sup.6, or --(CR.sup.6 R.sup.6)-- where R.sup.6 is H or C.sub.1-6 alkyl; or a pharmaceutically acceptable salt thereof. The compounds are of particular use in the treatment or prevention of pain, inflammation, migraine, emesis and postherpetic neuralgia. ##STR1##
本发明涉及式(I)的化合物,其中n为零、1、2或3;R代表C.sub.1-6烷基,C.sub.1-6烷氧基,羟基,卤素,氰基,三氟甲基SO.sub.2 C.sub.1-6烷基,NR.sup.aR.sup.b,NR.sup.aCOR.sup.b或CONR.sup.aR.sup.b,其中R.sup.a和R.sup.b分别为H,C.sub.1-4烷基,苯基或三氟甲基;R.sup.1代表苯基,可以选择地经过1、2或3个C.sub.1-6烷基,C.sub.2-6烯基,C.sub.2-6炔基,C.sub.3-7环烷基,C.sub.3-7环烷基C.sub.1-4烷基,-O(CH.sub.2).sub.pO-(其中p为1或2),卤素,氰基,硝基,三氟甲基,三甲基硅基,OR.sup.a,SR.sup.a,SOR.sup.a,SO.sub.2R.sup.a,NR.sup.aR.sup.b,NR.sup.aCOR.sup.b,NR.sup.aCO.sub.2R.sup.b,COR.sup.a,CO.sub.2R.sup.a或CONR.sup.aR.sup.b进行取代;萘基;苯甲基;或苄基,其中萘基团或苄基和苄甲基的每个苯基基团可以经过C.sub.1-6烷基,C.sub.1-6烷氧基,卤素或三氟甲基进行取代;R.sup.2代表氢,如R.sup.1定义的取代基或从吲唑基,噻吩基,呋喃基,吡啶基,噻唑基,四唑基和喹啉基中选择的杂环基;其中每个杂环基可以经过C.sub.1-6烷基,C.sub.1-6烷氧基,卤素或三氟甲基进行取代;R.sup.3和R.sup.4分别为H或C.sub.1-6烷基,或R.sup.3和R.sup.4一起连接形成C.sub.1-3烷基链;R.sup.5代表H,C.sub.1-6烷基,C.sub.3-7环烷基,C.sub.3-7环烷基C.sub.1-4烷基,苯基C.sub.1-4烷基,CO.sub.2R.sup.a,CONR.sup.aR.sup.b,SOR.sup.a或SO.sub.2R.sup.a,其中苯基基团可以经过C.sub.1-6烷基,C.sub.1-6烷氧基,卤素或三氟甲基进行取代;X和Y分别为H,或一起表示.dbd.O;Z代表键,O,S,SO,SO.sub.2,NR.sup.6或--(CR.sup.6R.sup.6)--,其中R.sup.6为H或C.sub.1-6烷基;或其药学上可接受的盐。这些化合物特别用于治疗或预防疼痛、炎症、偏头痛、呕吐和带状疱疹后神经痛。