Patent ID: 7173138

Claim:
A pnicogen chelate compound of the formula I where Q is a bridging group of the formula where A 1 and A 2 are each, independently of one another, O, S, SiR a R b , NR c or CR d R e , where R a , R b and R c are each, independently of one another, hydrogen, alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl, R d and R e are each, independently of one another, hydrogen, alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl or the group R d together with a further group R d or the group R e together with a further group R e form an intramolecular bridging group D, D is a divalent bridging group selected from among the, groups where R 9 and R 10 are each, independently of one another, hydrogen, alkyl, cycloalkyl, aryl, halogen, trifluoromethyl, carboxyl, carboxylate or cyano or are joined to one another to form a C 3 â€“C 4 -alkylene bridge, R 11 , R 12 , R 13 and R 14 are each, independently of one another, hydrogen, alkyl, cycloalkyl, aryl, halogen, trifluoromethyl, COOH, carboxylate, cyano, alkoxy, SO 3 H, sulfonate, NE 1 E 2 , alkylene-NE 1 E 2 E 3+ X âˆ’ , acyl or nitro, c is 0 or 1, Y is a chemical bond, R 5 , R 6 , R 7 and R 8 are each, independently of one another, hydrogen, alkyl, cycloalkyl, heterocycloalkyl, aryl, hetaryl, COOR f , COO âˆ’ M + , SO 3 R f , SO 3 âˆ’ M + , NE 1 E 2 , NE 1 E 2 E 3+ X âˆ’ , alkylene-NE 1 E 2 E 3+ X âˆ’ , OR f , SR f , (CHR g CH 2 O) x R f , (CH 2 N(E 1 )) x R f , (CH 2 CH 2 N(E 1 )) x R f , halogen, trifluoromethyl, nitro, acyl or cyano, where R f , E 1 , E 2 and E 3 are identical or different radicals selected from among hydrogen, alkyl, cycloalkyl and aryl, R g is hydrogen, methyl or ethyl, M + is a cation, X âˆ’ is an anion and x is an integer from 1 to b 120 , or R 5 and/or R 7 together with two adjacent carbon atoms of the benzene ring to which they are bound form a fused ring system having 1, 2 or 3 further rings, a and b are each, independently of one another, b 0 or 1, Pn is a pnicogen atom selected from among the elements phosphorus, arsenic or antimony, and R 1 , R 2 , R 3 , R 4 are each, independently of one another, hetaryl, hetaryloxy, alkyl, alkoxy, aryl, aryloxy, cycloalkyl, cycloalkoxy, heterocycloalkyl, heterocycloalkoxy or an NE 1 E 2 group, with the proviso that R 1 and R 3 are pyrrole groups bound via the nitrogen atom to the pnicogen atom Pn, or R 1 together with R 2 and/or R 3 together with R 4 form a divalent group E of the formula Pyâ€”Iâ€”W containing at least one pyrrole group bound via the pyrrole nitrogen to the pnicogen atom Pn, where Py is a pyrrole group, I is a chemical bond or O, S, SiR a R b , NR c or CR h R i , W is cycloalkyl, cycloalkoxy, aryl, aryloxy, hetaryl or hetaryloxy, and R h and R i are each, independently of one another, hydrogen, alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl, or form a bispyrrole group of the formula Pyâ€”Iâ€”Py bound via the nitrogen atoms to the pnicogen atom Pn.