Patent ID: 7217828

Claim:
A phosphinine compound of formula I where n=0 or 1, Y=O, NH, NR 1 , R 1 =H, an aliphatic or aromatic hydrocarbon radical having from 1 to 25 carbon atoms, R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 =H, an aliphatic, alicyclic, aliphatic-alicylic, heterocyclic, aliphatic-heterocyclic, aromatic, aromatic-aromatic, or aliphatic-aromatic hydrocarbon radical having from 1 to 50 carbon atoms, where R 2 to R 9 are identical or different and may be covalently linked to one another, F, Cl, Br, I, —CF 3 , —OR 10 , —COR 10 , —CO 2 R 10 , —CO 2 M, —SR 10 , —SO 2 R 10 , —SOR 10 , —SO 3 R 10 , —SO 3 M, —SO 2 NR 10 R 11 , —NR 10 R 11 , N═CR 10 R 11 or NH 2 , wherein at least one of R 2 to R 9 is heterocyclic or aliphatic heterocyclic, R 10 , R 11 =H, a substituted or unsubstituted aliphatic or aromatic hydrocarbon radical having from 1 to 25 carbon atoms, identical or different, M=an alkali metal, an alkaline earth metal, ammonium or phosphonium ion, Q=a divalent aliphatic, alicyclic, aliphatic-alicylic, heterocyclic, aliphatic-heterocyclic, aromatic, aromatic-aromatic or aliphatic-aromatic hydrocarbon radical having from 1 to 50 carbon atoms, and W and X are each an aliphatic, alicyclic, aliphatic-alicylic, heterocyclic, aliphatic-heterocyclic, aromatic, aromatic-aromatic or aliphatic-aromatic hydrocarbon radical having from 1 to 50 carbon atoms, which may be identical or different or covalently linked to one another.