Patent ID: 7897764

Claim:
A compound of formula (I): wherein n is n is 5, 6, 7, or 8; R 1 is H, C 1 -C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, C 3 -C 20 cycloalkyl, C 3 -C 20 cycloalkenyl, C 3 -C 20 heterocycloalkyl, aryl, or heteroaryl; each of R 2 and R 3 , independently, is H, halo, nitro, cyano, amino, hydroxy, alkoxy, aryloxy, C 1 -C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, C 3 -C 20 cycloalkyl, C 3 -C 20 cycloalkenyl, C 3 -C 20 heterocycloalkyl, aryl, or heteroaryl; A 1 is 1,3-phenylene or 1,4-phenylene; A 2 is alkyl, cycloalkyl, heterocycloalkyl, aryl, or heteroaryl, in which alkyl is optionally substituted with halo, nitro, cyano, amino, hydroxy, alkoxy, aryloxy, alkylcarbonyl, alkoxycarbonyl, carboxy, aminocarbonyl, carbonylamino, C 1 -C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, C 3 -C 20 cycloalkyl, C 3 -C 20 cycloalkenyl, C 3 -C 20 heterocycloalkyl, aryl, or heteroaryl; and each of clycloalkyl, heterocycloalkyl, aryl, and heteroaryl is optionally substituted with halo, nitro, cyano, amino, hydroxy, alkoxy, aryloxy, alkylcarbonyl, alkoxycarbonyl, carboxy, aminocarbonyl, carbonylamino, C 1 -C 10 alkyl, C 2 -C 10 alkenyl, C 2 -C 10 alkynyl, C 3 -C 20 cycloalkyl, C 3 -C 20 cycloalkenyl, C 3 -C 20 heterocycloalkyl, aryl, or heteroaryl, or optionally fused with C 3 -C 20 cycloalkyl, C 3 -C 20 heterocycloalkyl, aryl, or heteroaryl; X is S; Y is O; and Z is