申请人:A. H. Robins Company, Incorporated
公开号:US05206246A1
公开(公告)日:1993-04-27
Compounds of general formula I ##STR1## wherein: X represents oxygen or sulphur; each of R.sup.1 and R.sup.3 independently represents hydrogen or a C.sub.1 -C.sub.4 alkyl group; Ar represents: a phenyl ring optionally substituted by one, two or three C.sub.1 -C.sub.4 alkoxy groups and/or by one or two halogen atoms; a phenyl ring of the general formula ##STR2## wherein R.sup.2 represents halogen, 4,5-benzo, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.4 alkylcarbonyl or Am, wherein Am represents amino, methylamino or dimethylamino, R.sup.4 represents C.sub.1 -C.sub.8 alkyl, n is 1 or 2; or a pyrimidinyl moiety of the general formula ##STR3## wherein R.sup.5 is C.sub.1 -C.sub.4 alkyl; and their N-oxides and pharmaceutically acceptable salts are useful as anxiolytic agents. A preferred compound is R-(+)-4-amino-N-(1-azabicyclo[2.2.2]oct-3-yl)-5-chloro-2-methoxybenzamide.
通式I的化合物##STR1##其中:X代表氧或硫;R.sup.1和R.sup.3各自独立地代表氢或C.sub.1 -C.sub.4烷基;Ar代表:一个苯环,可选地取代一个、两个或三个C.sub.1 -C.sub.4烷氧基基团和/或一个或两个卤素原子;一个通式##STR2##中的苯环,其中R.sup.2代表卤素,4,5-苯基,C.sub.1 -C.sub.8烷氧基,C.sub.1 -C.sub.4烷基酰基或Am,其中Am代表氨基,甲氨基或二甲氨基,R.sup.4代表C.sub.1 -C.sub.8烷基,n为1或2;或一个通式##STR3##中的嘧啶基团,其中R.sup.5为C.sub.1 -C.sub.4烷基;它们的N-氧化物和药学上可接受的盐可用作抗焦虑剂。一种优选化合物是R-(+)-4-氨基-N-(1-氮杂双环[2.2.2]辛-3-基)-5-氯-2-甲氧基苯甲酰胺。