A method for treating a human host suffering from anxiety, which method comprises administering to such host an anxiolytically effective amount of a compound of the formula I ##STR10## wherein, R is hydrogen, C1-6 alkyl, C2-6 alkenyl, or C2-6 alkynyl;R1 is hydrogen; R2 is hydrogen, halogen, or C1-6 alkoxy; Y is oxygen or N--R3, in which R3 is hydrogen; and, A is a group of the formula ##STR11## in