Patent ID: 7485655

Claim:
A compound of the formula (I): wherein n is an integer from 1 to 3; R 1 , R 2 , R 3 , and H 4 are each independently halo, alkyl, alkoxy, alkoxyalkyl, alkylamino, haloalkoxy, cycloalkyl, cycloalkoxy, cycloalkylamino, alkenyl, alkenoxy, alkenylamino, alkynyl, alkynoxy, alkynylamino, aryl, arylalkyl, heteroaryl, heteroarylalkyl, nitro, thio, alkylthio, alkylthioalkyl, alkylamide, alkylsulfoxy, alkylsulfonyl or ketoalkyl, with the aryl moiety in said aryl and arylalkyl groups, and the heteroaryl moiety in said heteroaryl and heteroarylalkyl groups, being optionally substituted with one or more substituents selected from halo, cyano, alkyl, aryl, heteroaryl, alkenyl, alkoxy, alkenyloxy, alkoxyalkyl, halosubstituted alkyl, halosubstituted alkoxy, alkoxycarbonyl, aminocarbonyl, nitro, thio, alkylthio, hydroxy, aryloxy, alkylamino, amino, alkylamide, arylamide, alkyihydroxy, acyloxy and alkylthioalkyl, and wherein R 1 and R 2 , R 2 and R 3 , or R 3 and R 4 , together with the carbon atoms to which they are attached, may optionally form a 5, 6 or 7- membered ring containing zero to two heteroatoms selected from N, O and S and which may be optionally substituted with one or more substituents selected from halo, cyano, alkyl, alkenyl, alkoxy, alkenyloxy, alkoxyalkyl, halosubstituted alkyl, halosubstituted alkoxy, alkoxycarbonyl, aminocarbonyl, nitro, thio, alkylthio and alkylthioalkyl; R 5 is hydrogen, halo or lower alkyl; R 6 is independently selected from the group consisting of hydrogen, halo, alkyl, alkoxy, alkoxyalkyl, alkylamino, haloalkoxy, cycloalkyl, cycloalkoxy, cycloalkylamino, alkenyl, alkenoxy, alkenylamino, alkynyl, alkynoxy, alkynylamino, aryl, arylalkyl, heteroaryl, heteroarylalkyl, nitro, thio, alkylthio, alkylthioalkyl, alkylamide, alkylsulfoxy, alkylsulfonyl or ketoalkyl, with the aryl moiety in said aryl and arylalkyl groups, and the heteroaryl moiety in said heteroaryl and heteroarylalkyl groups, being optionally substituted with one or more substituents selected from halo, cyano, alkyl, aryl, heteroaryl, alkenyl, alkoxy, alkenyloxy, alkoxyalkyl, halosubstituted alkyl, halosubstituted alkoxy, alkoxycarbonyl, aminocarbonyl, nitro, thio, alkylthio, hydroxy, aryloxy, alkylamino, amino, alkylamide, arylamide, alkylhydroxy, acyloxy and alkylthioalkyl; and R 7 and R 8 are each independently hydrogen, alkyl or arylalkyl; or a pharmaceutically acceptable salt thereof.