Anxiolytic-R-n(1-azabicyclo[2.2.2]oct-3-yl) benzamides and thiobenzamides

A method of controlling anxiety in warm blooded animals which comprises internally administering thereto an anxiolytic effective amount of a compound of formula I ##STR24## 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 substituted by one, two or three C.sub.1 -C.sub.4 alkoxy groups, one or two halogen atoms, or both one, two or three C.sub.1 -C.sub.4 alkoxy groups and one or two halogen atoms;
• a phenyl ring of the formula ##STR25## 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 formula ##STR26## wherein R.sup.5 is C.sub.1 -C.sub.4 alkyl;
• or an N-oxide thereof, a pharmaceutically acceptable salt thereof, or both an N-oxide and a pharmaceutically acceptable salt thereof.