Patent ID: 7442795

Claim:
A compound of formula (II) or a pharmaceutically acceptable salt thereof: wherein: W is —O—, —S(O) a —, or —N(R 1 )— R 1 is H, C 1-6 alkyl, (CH 2 ) b COR 2 , CO(CH 2 ) b NR 2 R 3 , SO 2 R 2 , (CH 2 ) c OR 2 , (CH 2 ) c NR 2 R 3 , or (CH 2 ) b het 1 ; het 1 is a saturated or unsaturated heterocycle of from 3 to 8 atoms containing one to four heteroatoms selected from O, N, or S, optionally substituted with C 1-6 alkyl; X and Y are each independently H, C 1-6 alkyl, halogen, OH, CF 3 , OCF 3 , or OR 4 ; Ring A is a 4-7 membered, saturated N-containing heterocycle, optionally substituted with OH, and in which optionally at least one ring N is substituted with O; Ring B is phenyl or a 4-7 membered unsaturated N-containing heterocycle, optionally substituted with OH, halogen, CN, CONH 2 , CF 3 , or OCF 3 , and in which optionally at least one ring N is substituted with O; R 2 and R 3 are each independently H, C 1-6 alkyl, C 1-6 alkyloxy, N(C 1-6 alkyl) 2 , or C 3-8 cycloalkyl; wherein said C 1-6 alkyl is optionally substituted with OH, halogen, N(C 1-6 alkyl) 2 , or C 1-6 alkyloxy; or R 2 and R 3 are taken together with the nitrogen atom to which they are attached to form a heterocycle of from 3 to 8 atoms, optionally substituted with C 1-6 alkyl; R 4 is C 1-6 alkyl; a, n and c are each independently 0, 1, or 2; and b is 0 or 1.