Patent ID: 8450336

Claim:
A method of treating an anxiety disorder comprising administering to a patient a therapeutically effective amount of a compound of Formula I or a salt thereof: wherein: A is chosen from: aryl or heteroaryl, A being optionally substituted with up to 5 independently-selected groups R 8 ; R 1 is chosen from: alkyl or haloalkyl; R 2 is chosen from: H, C(O)R 6 , C(O)OR 6 , SO 2 R 6 or C(O)NR 6 R 7 ; R 3 , R 4 and R 5 are independently chosen from: H or alkyl; R 6 and R 7 are independently chosen from: H or alkyl; and R 8 is chosen from: OH, CN, halo, alkyl, alkoxy, haloalkyl, haloalkoxy, C(O)R 6 , C(O)OR 6 , SO 2 R 6 or C(O)NR 6 R 7 , and wherein the anxiety disorder is chosen from: generalized anxiety disorder (GAD) or social phobias.