Patent ID: 8067643

Claim:
A compound of the formula Ia L, L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 and L 8 independently of one another are hydrogen, R 1 , OR 1 , SR 1 , NR 1 R 2 , halogen, NO 2 , CN, NR 1 COR 2 , COOR 1 , OCOR 1 , CONR 1 R 2 , OCOOR 1 , OCONR 1 R 2 , NR 1 COOR 2 , SO 3 H, SO 3 M, SOR 1 , SO 2 R 1 or are COT; and/ or the pairs L 3 and L 5 together are a single bond, CR a R b , CO, O, S, NR c or NCOR c ; provided that L 3 and L 5 together are not a single bond, when X denotes a single bond; and/or the pairs L 1 and L 3 , L 1 and L, L 5 and L 7 together are C 1 -C 3 alkylene, CR 1 ═CR 2 -CR 3 ═CR 4 , CR 1 ═CR 2 —O, CR 1 ═CR 2 —S, CR 1 ═CR 2 —NR 1 , CO—O—CO CONR 1 CO, CO-(o-phenylene)-S, CO-(o-phenylene)-S substituted by one or more D, or are C 1 -C 3 alkylene interrupted by O, S, NR 1 or NCOR 1 ; provided that at least one of L, L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 is other than hydrogen; T 1 and T 2 independently of one another are hydrogen, C 1 -C 20 alkyl, C 5 -C 12 cycloalkyl, C 2 -C 20 alkenyl, C 5 -C 12 cycloalkenyl, C 6 -C 14 aryl, C 1 -C 20 alkyl substituted by one or more D, C 2 -C 20 alkyl interrupted by one or more E, C 2 -C 20 alkyl substituted by one or more D and interrupted by one or more E, C 5 -C 12 cycloalkyl substituted by one or more D, C 2 -C 12 cycloalkyl interrupted by one or more E, C 2 -C 12 cycloalkyl substituted by one or more D and interrupted by one or more E, C 2 -C 20 alkenyl substituted by one or more D, C 3 -C 20 alkenyl interrupted by one or more E, C 3 -C 20 alkenyl substituted by one or more D and interrupted by one or more E, C 5 -C 12 cycloalkenyl substituted by one or more D, C 3 -C 12 cycloalkenyl interrupted by one or more E, C 3 -C 12 cycloalkenyl substituted by one or more D and interrupted by one or more E, or C 6 -C 14 aryl substituted by one or more D; R 1 , R 2 , R 3 , R 4 , R a , R b and R c independently of one another have the meaning of T 1 ; T denotes T 1 or O-T 2 ; X is a single bond, CR a R b , O, S, NR c or NCOR c ; D is hydrogen, R 5 , OR 5 , SR 5 , NR 5 R 6 , halogen, NO 2 , CN, O-glycidyl, O-vinyl, O-allyl, COR 5 , NR 5 COR 6 , COOR 5 , OCOR 5 , CONR 5 R 6 , OCOOR 5 , OCONR 5 R 6 , NR 5 COOR 6 , SO 3 H or SO 3 M; E is O, S, COO, OCO, CO, NR 5 , NCOR 5 , NR 5 CO, CONR 5 , OCOO, OCONR 5 , NR 5 COO, SO 2 , SO, CR 5 ═CR 6 or R 5 and R 6 independently of one another are hydrogen, C 1 -C 12 alkyl or phenyl; Y is an inorganic or organic anion; and M is an inorganic or organic cation.