Patent ID: RE39616

Claim:
A method of treating a subject suffering from depression comprising administering to the subject a therapeutically effective amount of a compound having the structure: wherein when a is 0, b is 1 or 2 , and when a is 1, b is 1 ; wherein when a is 1, b is 1, m is 0-3 , ; X is O or S , ; Y is halogeno , ; R 1 is hydrogen or C 1-4 alkyl , ; R 2 is hydrogen, C 1-4 alkyl, propargyl, or optionally substituted propargyl ; and R 3 and R 4 are each independently hydrogen, C 1-8 alkyl, C 6-12 aryl, C 6-12 aryl aralkyl or C 6-12 cycloalkyl, each of which may be optionally substituted, or is hydrogen, such compound being a racemic mixture, an enantiomer, or a salt thereof; a racemic mixture, an enantiomer, or salt thereof, so as to thereby treat the subject's depression.