This invention discloses the antianxiety properties of compounds of the formula: ##STR1## wherein n is 3 or 4, R is C.sub.1 -C.sub.4 alkyl or phenyl, and Ar is ##STR2## where Z is selected from H, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkenyloxy or hydroxy.