Patent ID: 7666897

Claim:
A compound having the structure of formula (IV) wherein: R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 5A , R 6A , R 7A , R 8A , R 22 and R 23 are independently selected from the group consisting of hydrogen, C 1 -C 24 alkyl, C 2 -C 24 alkenyl, C 2 -C 24 alkynyl, C 5 -C 20 aryl, C 6 -C 24 alkaryl, C 6 -C 24 aralkyl, halo, hydroxyl, sulfhydryl, C 1 -C 24 alkoxy, C 2 -C 24 alkenyloxy, C 2 -C 24 alkynyloxy, C 5 -C 20 aryloxy, acyl, acyloxy, C 2 -C 24 alkoxycarbonyl, C 6 -C 20 aryloxycarbonyl, halocarbonyl, C 2 -C 24 alkylcarbonato, C 6 -C 20 arylcarbonato, carboxy, carboxylato, carbamoyl, mono-(C 1 -C 24 alkyl)-substituted carbamoyl, di-(C 1 -C 24 alkyl)-substituted carbamoyl, mono-substituted arylcarbamoyl, thiocarbamoyl, carbamido, cyano, isocyano, cyanato, isocyanato, isothiocyanato, azido, formyl, thioformyl, amino, mono- and di-(C 1 -C 24 alkyl)-substituted amino, mono- and di-(C 5 -C 20 aryl)-substituted amino, C 2 -C 24 alkylamido, C 5 -C 20 arylamido, imino, alkylimino, arylimino, nitro, nitroso, sulfo, sulfonato, C 1 -C 24 alkylsulfanyl, arylsulfanyl, C 1 -C 24 alkylsulfinyl, C 5 -C 20 arylsulfinyl, C 1 -C 24 alkylsulfonyl, C 5 -C 20 arylsulfonyl, phosphono, phosphonato, phosphinato, phospho, phosphino, and combinations thereof, and further wherein any two adjacent (ortho) substituents may be linked to form a cyclic structure selected from five-membered rings, six-membered rings, and fused five-membered and/or six-membered rings, wherein the cyclic structure is aromatic, alicyclic, heteroaromatic, or heteroalicyclic, and has zero to 4 non-hydrogen substituents and zero to 3 heteroatoms; R 11 , R 12 , and R 12A are independently selected from the group consisting of hydrogen, C 1 -C 24 alkyl, C 2 -C 24 alkoxycarbonyl, amino-substituted C 1 -C 24 alkyl, (C 1 -C 24 alkylamino)-substituted C 1 -C 24 alkyl, and di-(C 1 -C 24 alkyl)amino-substituted C 1 -C 24 alkyl; and X 1 and X 2 are independent selected from O, S, arylene, heteroarylene, CR 15 R 16 and NR 17 wherein R 15 and R 16 are hydrogen, C 1 -C 6 alkyl, or together form ═CR 18 R 19 where R 18 and R 19 are hydrogen or C 1 -C 6 alkyl, and R 17 is as defined for R 11 and R 12 , with the proviso that at least one of R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 5A , R 6A , R 7A , R 8A , R 22 and R 23 is other than hydrogen.