申请人:Syntex (U.S.A.) Inc.
公开号:US05202333A1
公开(公告)日:1993-04-13
The present invention is directed to 5-HT.sub.3 receptor antagonist compounds of formula I: ##STR1## in which the dashed line denotes an optional double bond; n is 1, 2 or 3; p is 0, 1, 2 or 3; q is 0, 1 or 2; each R.sup.1 is independently selected from halogen, hydroxy, lower alkoxy, lower alkyl, nitro, amino, amino carbonyl, (lower alkyl)amino, di(lower alkyl)amino, and (lower alkanoyl)amino; each R.sup.2 is lower alkyl; and R.sup.3 is a group selected from Formulae (a), (b), (c) and (d): ##STR2## in which u is 0 or 1; z is 1, 2 or 3; and R.sup.4 is C.sub.1-7 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkyl-C.sub.1-2 alkyl, or a group (CH.sub.2).sub.t R.sup.5 where t is 1 or 2 and R.sup.5 is thienyl, pyrrolyl, or furyl, each optionally further substituted by one or two substituents selected from C.sub.1-6 alkyl, C.sub.1-6 alkoxy, trifluoromethyl or halogen, or is phenyl optionally substituted by one or two substituents selected from C.sub.1-4 alkoxy, trifluoromethyl, halogen, nitro, carboxy, esterified carboxy, and C.sub.1-4 alkyl optionally substituted by hydroxy, C.sub.1-4 alkoxy, carboxy, esterified carboxy or in vivo hydrolyzable acyloxy; and the pharmaceutically acceptable salts, individual isomers, mixtures of isomers, processes for preparation, compositions, and methods of use thereof.
本发明涉及式I的5-HT.sub.3受体拮抗剂化合物:##STR1##
其中虚线表示可选的双键;n为1、2或3;p为0、1、2或3;q为0、1或2;每个R.sup.1是独立选择的卤素、羟基、较低的烷氧基、较低的烷基、硝基、氨基、氨基甲酰、(较低的烷基)氨基、二(较低的烷基)氨基和(较低的酰基)氨基;每个R.sup.2是较低的烷基;R.sup.3是从式(a)、(b)、(c)和(d)中选择的基团:##STR2##
其中u为0或1;z为1、2或3;R.sup.4为C.sub.1-7烷基、C.sub.3-8环烷基、C.sub.3-8环烷基-C.sub.1-2烷基或(CH.sub.2).sub.tR.sup.5,其中t为1或2,R.sup.5为噻吩基、吡咯基或呋喃基,每个可选地进一步被选择自C.sub.1-6烷基、C.sub.1-6烷氧基、三氟甲基或卤素的一个或两个取代基取代,或者是苯基,可选地被选择自C.sub.1-4烷氧基、三氟甲基、卤素、硝基、羧基、酯化羧基和C.sub.1-4烷基,可选地被羟基、C.sub.1-4烷氧基、羧基、酯化羧基或在体内可水解的酰氧基取代,以及其药学上可接受的盐、单一异构体、异构体混合物、制备方法、组成物和使用方法。