Patent ID: 7098241

Claim:
The (R)- and (S) enantiomers of compounds of formula (I) wherein Ar is an aryl or heteroaryl group, each of which may be unsubstituted or substituted by up to three substituents selected from halogen; phenyl; alkyl; —O-alkyl; —O-phenyl; —O—(CH 2 ) n —O—; —OH; —NO 2 ; —NH 2 ; —NH-alkyl; —N(alkyl) 2 ; —NH—C(O)-alkyl; —SO 2 alkyl; —SO 2 NH 2 ; —SO 2 NH-alkyl; —SO 2 N(alkyl) 2 ; —C(O)—NH 2 ; —C(O)—NH-alkyl; —C(O)—N(alkyl) 2 ; or —C(O)-alkyl; R1 is hydrogen; or phenyl; alkyl; or alkenyl; each of which may be unsubstituted or substituted by halogen, —OH, —NO 2 , —NH 2 , —O-alkyl, —O-aryl, —NH(alkyl), —N(alkyl) 2 , morpholino, 4-methylpiperazinyl, or aryl; or alternatively, R1 together with the Ar-group form a tetrahydronaphthalene-, indane- or dibenzosuberane ring; R2 is hydrogen or alkyl; and n is 1, 2 or 3; or a physiologically acceptable salt thereof.