Patent ID: 7612054

Claim:
A compound of formula I wherein X is O, Y is CH, A and B are each hydrogen or together form a second bond between the carbon atoms to which they are attached, R 1 is hydrogen or (C 1-4 )alkyl, R 2 is optionally substituted (C 1-8 )alkyl, (C 3-7 )cycloalkyl, (C 3-7 )cycloalkyl(C 1-4 )alkyl, aryl or heteroaryl, R 3 is CH(R e )CONR a R b or (CH 2 ) n NR c R d , n is 0, 1 or 2, R a , R b , R c and R d , independently, are hydrogen or optionally substituted (C 1-8 )alkyl, (C 3-7 )cycloalkyl, (C 3-7 )cycloalkyl(C 1-4 )alkyl, (C 7-9 )bicycloalkyl, 1-aza-(C 7-9 )bicycloalkyl, aryl, aryl(C 1-4 )alkyl, heteroaryl, heteroaryl(C 1-4 )alkyl or heterocyclyl, or R a , R b , R c and R d , together with the nitrogen to which they are attached, form an optionally substituted pyrrolidinyl, piperidino, morpholino or piperazinyl group, R e is (C 1-8 )alkyl, (C 1-4 )alkoxy(C 1-4 )alkyl, (C 3-7 )cycloalkyl or (C 3-7 )cycloalkyl(C 1-4 )alkyl, and R 4 , R 5 , R 6 , R 7 , R 8 and R 9 , independently, are hydrogen, (C 1-4 )alkyl, (C 1-4 )alkoxy, (C 1-4 )alkyl-SO 2 , cyano, nitro or halogen, in free base or acid addition salt form.