Patent ID: 7799317

Claim:
A compound of formula (I): wherein R 2 is (a) phenyl substituted with 0, 1, 2, 3, or 4 R 6 substituents or (b) 1-naphthyl or 2-naphthyl substituted with 0, 1, 2, 3, or 4 R 6 substituents; R 1 is selected from the group consisting of aryl and substituted aryl; R 3 and R 4 are the same or different and are selected from the group consisting of C 1 -C 30 alkyl, C 3 -C 8 cycloalkyl, substituted alkyl, substituted cycloalkyl, aryl, heteroaryl, heterocycloalkyl, substituted aryl, substituted heteroaryl, and substituted heterocycloalkyl; X is selected from the group consisting of O—C 1 -C 20 alkyl-O—, N(R 7 )-C 1 -C 20 alkyl-N(R 7 )—, and S—C 1 -C 20 alkyl-S—; R 7 is selected from the group consisting of hydrogen and C 1 -C 20 alkyl; R 5 is a structure of formula (II): R 9 is (a) phenyl substituted with 0, 1, 2, 3, or 4 R 10 substituents or (b) 1-naphthyl or 2-naphthyl substituted with 0, 1, 2, 3, or 4 R 10 substituents; R 6 and R 10 are the same or different and are selected from the group consisting of hydrogen, hydroxyl, alkyl, alkenyl, alkynyl, alkoxy, halo, ester, nitro, nitroso, alkylcarbonyl, alkoxycarbonyl, aryl, amino, substituted amino, amido, substituted amido, sulfate, carboxylate, oxycarbonyl, cycloalkyl, haloalkyl, cyano, and thioether; R 8 is selected from the group consisting of aryl, and substituted aryl; and n is an integer from 1 to 500.