申请人:The Upjohn Company
公开号:US05288748A1
公开(公告)日:1994-02-22
A compound of Formula I ##STR1## or pharmaceutically acceptable salts of Formula I, where R.sup.1 is H, C.sub.1 -C.sub.3 alkyl, --(CH.sub.2).sub.n CONH.sub.2 where n is 2 to 6, (CH2).sub.n -1-(4,4-dimethylpiperidine-2,6-dione-yl), or cyclopropylmethyl; R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl or combined with R.sup.1 to form a C.sub.3 -C.sub.8 cycloalkyl, C.sub.2 -C.sub.8 alkenyl, C.sub.2 -C.sub.8 akynyl, (CH.sub.2).sub.n --R"--Ar where R" is O, S, or NH, 3,3,3-trifluoropropyl, --(CH.sub.2).sub.m --R.sup.9 where m is 2 or 3 and R.sup.9 is phenyl, 2-thienyl or 3-thienyl; R.sup.3 is hydrogen, C.sub.1 -C.sub.3 alkyl, 2,2,2-trifluoroethyl, 3,3,3-trifluoropropyl, formyl, CN, halogen, CH.sub.2 OR.sup.2, C(O)C(O)OR.sup.1, C(O)CO NR.sup.1 R.sup.2, --(CH.sub.2).sub.q --NR.sup.1 R.sup.2 where q is 0 to 5, C.dbd.NOR.sup.2, 2(4,5-dihydro)oxazolyl, or COR.sup.10 where R.sup.10 is H, R.sup.1, NR.sup.1 R.sup.2 or CF.sub.3 ; R.sup.4 is hydrogen, C.sub.1 -C.sub.3 alkyl, cyclopropylmethyl, CF.sub.3, 2,2,2-trifluoroethyl, CN, CONR.sup.1 R.sup.2, .dbd.O, 2(4,5-dihydro)imidazolyl, 2(4,5-dihydro)oxazolyl, 2-oxazolyl, 3-oxadiazolyl, or 3,3,3-trifluoropropyl; R.sup.5 is hydrogen, R.sup.1, OCH.sub.3, C(O)CH.sub.3 or C(O)OR.sup.1 ; X is (a) a valence bond, (b) CH.sub.2, or (c) O, S or NR.sup.5 where R.sup.5 is H, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 cycloalkyl, benzyl, COR.sup.6 where R.sup.6 is a C.sub.1 -C.sub.3 alkyl, phenyl, or CONR.sup.7 R.sup.8 where R.sup.7 and R.sup.8 are independently H or C.sub.1 -C.sub.3 alkyl; and Z is a hydrogen or halogen; provided that when X is CH.sub.2, at least one of R.sub.3 and R.sub.4 is other than hydrogen or C.sub.1 -C.sub.3 alkyl. The compounds of Formula I are suitable for treating disorders of the central nervous system, particularly as 5-HT.sub.1A receptor agonists.
Formula I的化合物或Formula I的药学上可接受的盐,其中R.sup.1为H,C.sub.1-C.sub.3烷基,--(CH.sub.2).sub.n CONH.sub.2,其中n为2至6,(CH2).sub.n-1-(4,4-二甲基哌啶-2,6-二酮基),或环丙甲基;R.sup.2为氢,C.sub.1-C.sub.8烷基,C.sub.3-C.sub.8环烷基或与R.sup.1结合形成C.sub.3-C.sub.8环烷基,C.sub.2-C.sub.8烯基,C.sub.2-C.sub.8炔基,(CH.sub.2).sub.n--R"--Ar,其中R"为O,S或NH,3,3,3-三氟丙基,--(CH.sub.2).sub.m--R.sup.9,其中m为2或3,R.sup.9为苯基、2-噻吩基或3-噻吩基;R.sup.3为氢,C.sub.1-C.sub.3烷基,2,2,2-三氟乙基,3,3,3-三氟丙基,甲酰基,CN,卤素,CH.sub.2OR.sup.2,C(O)C(O)OR.sup.1,C(O)CO NR.sup.1 R.sup.2,--(CH.sub.2).sub.q--NR.sup.1 R.sup.2,其中q为0至5,C.dbd.NOR.sup.2,2(4,5-二氢)噁唑基,或COR.sup.10,其中R.sup.10为H,R.sup.1,NR.sup.1 R.sup.2或CF.sub.3;R.sup.4为氢,C.sub.1-C.sub.3烷基,环丙甲基,CF.sub.3,2,2,2-三氟乙基,CN,CONR.sup.1 R.sup.2,.dbd.O,2(4,5-二氢)咪唑基,2(4,5-二氢)噁唑基,2-噁唑基,3-噁二唑基,或3,3,3-三氟丙基;R.sup.5为氢,R.sup.1,OCH.sub.3,C(O)CH.sub.3或C(O)OR.sup.1;X为(a)一个价键,(b)CH.sub.2,或(c)O,S或NR.sup.5,其中R.sup.5为H,C.sub.1-C.sub.8烷基,C.sub.3-C.sub.8环烷基,苄基,COR.sup.6,其中R.sup.6为C.sub.1-C.sub.3烷基,苯基,或CONR.sup.7 R.sup.8,其中R.sup.7和R.sup.8独立地为H或C.sub.1-C.sub.3烷基;Z为氢或卤素;但当X为CH.sub.2时,R.sub.3和R.sub.4中至少有一个不是氢或C.sub.1-C.sub.3烷基。Formula I的化合物适用于治疗中枢神经系统疾病,特别是作为5-HT.sub.1A受体激动剂。