Patent ID: 7271163

Claim:
A method of treating in a mammal a condition selected from bipolar disorders and psychosis, the method comprising administering to a mammal a pharmaceutically effective amount of a compound of formula I or a pharmaceutically acceptable salt thereof: wherein: R 1 is hydrogen, —C(O)CH 3 or alkyl of 1-6 carbon atoms; R 2 and R 3 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl, alkoxy of 1-6 carbon atoms, —CH 2 OH, fluorinated alkyl of 1-6 carbon atoms, —NH—SO 2 -alkyl of 1-6 carbon atoms, —SO 2 —NH-alkyl of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, fluorinated alkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, aryl, or aroyl; R 4 and R 5 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, halogen, fluorinated alkyl of 1-6 carbon atoms, —CN, —NH—SO 2 -alkyl of 1-6 carbon atoms, —SO 2 —NH-alkyl of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, fluorinated alkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl; R 6 and R 7 are each independently hydrogen, C 1 -C 6 alkyl, cycloalkyl of 3 to 7 carbon atoms or —CH 2 —(cycloalkyl of 3 to 7 carbon atoms); the dashed line indicates an optional double bond.