| 摘要 |
<p>Compounds of general formula I <CHEM> wherein X represents oxygen or sulphur; each of R<1> and R<3> independently represents hydrogen or a C1-C4 alkyl group; Ar represents: a phenyl ring optionally substituted by one, two or three C1-C4 alkoxy groups and/or by one or two halogen atoms; a phenyl ring of the general formula <CHEM> wherein R<2> represents halogen, 4,5-benzo, C1-C8 alkoxy, C1-C4 alkylcarbonyl or Am, wherein Am represents amino, methylamino or dimethylamino, R<4> represents C1-C8 alkyl, n is 1 or 2; or a pyrimidinyl moiety of the general formula <CHEM> wherein R<5> is C1-C4 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 .</p> |
