申请人:——
公开号:US05461061A1
公开(公告)日:1995-10-24
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 --X--Ar where X 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-thiophenyl or 3-thiophenyl; 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.
公式I的化合物##STR1##或公式I的药用盐,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)或环丙基甲基;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--X--Ar,其中X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.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,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、环丙基甲基、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中至少一个不是氢或C.sub.1 -C.sub.3烷基。公式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。