Patent ID: 7511084

Claim:
An acyl- or bisacylphosphine derivative of the formula (I) where R 1 is Î±-naphthyl, Î²-naphthyl, 2-, 3- or 4-chlorophenyl, 2,6- or 2,4-dichlorophenyl, 2,4,6-trichlorophenyl, 2-, 3- or 4-methylphenyl, 2,6- or 2,4-dimethylphenyl, 2,4,6-trimethylphenyl, 2-, 3- or 4-ethylphenyl, 2,6- or 2,4-diethylphenyl, 2-, 3- or 4-iso-propylphenyl, 2-, 3- or 4-tert-butylphenyl, 2-, 3- or 4-methoxyphenyl, 2,6- or 2,4-dimethoxyphenyl, 2,6- or 2,4-diethoxyphenyl, methylnaphthyl, 2,6-dimethylphenyl, 2,4,6-trimethylphenyl, 2,6-dimethoxyphenyl, 2,6-dichlorophenyl, 4-bromophenyl, 2- or 4-nitrophenyl, 2,4-or 2,6-dinitrophenyl, 4-dimethylaminophenyl, 4-acetylphenyl, cyclopentyl, cyclohexyl, 2,5-dimethylcyclopentyl, 2,6-dimethylcyclohexyl, 2,6-diethylcyclohexyl, 2,6-dimethoxycyclohexyl, 2,6-diethoxycyclohexyl, 2,6-dichlorocyclohexyl, 2,5-dichlorocyclopentyl, 2- or 3-furyl, 2- or 3-thiophenyl, 2- or 3-pyrryl, dimethylpyrryl or an ortho-substituted phenyl other than 2-methylphenyl, 2-methoxyphenyl or 2-chlorophenyl, R 2 , R 5 , R 6 and R 7 are C 1 -C 18 -alkyl, or C 2 -C 18 -alkyl, C 2 -C 18 -alkenyl, C 6 -C 12 -aryl or C 5 -C 12 -cycloalkyl, each of which is uninterrupted or interrupted by one or more oxygen and/or sulfur atoms and/or one or more substituted or unsubstituted imino groups, or are a five- to six-membered, oxygen, nitrogen and/or sulfur atom-containing heterocyclic radical, where the said radicals may each be substituted by aryl, alkyl, aryloxy, alkoxy, heteroatoms and/or heterocyclic radicals, R 2 is furthermore C 1 -C 18 -alkoxy, which is unsubstituted or substituted by aryl, alkyl, aryloxy, alkoxy, heteroatoms and/or heterocyclic radicals, or is R 1 â€”(Câ•Y)â€”, Y is O, S, NR 3 , Nâ€”OR 3 or Nâ€”NR 3 R 4 , Z is O, S, NR 3 , Nâ€”OR 3 , Nâ€”NR 3 R 4 or a free pair of electrons, R 3 is hydrogen, C 1 - to C 4 -alkyl, SO 3 H, phenyl or acetyl, R 4 is hydrogen, C 1 - to C 4 -alkyl, COOR 3 , or C 6 -C 12 -aryl or arylsulfonyl, each of which is unsubstituted or substituted by aryl, alkyl, aryloxy, alkoxy, heteroatoms and/or heterocyclic radicals, FG is a leaving group having the structure â€”Cl, â€”CN, â€”OCN, â€”SCN, â€”N + R 6 R 7 R 8 , â€”O(CO)R 5 , â€”O(CO)OR 5 , â€”O(SO)Cl, â€”O(SO 2 )OR 5 , â€”O(SO 2 )R 5 or â€”O(CO)Cl, R 5 is furthermore C 1 -C 18 -alkoxy, which is unsubstituted or substituted by aryl, alkyl, aryloxy, alkoxy, heteroatoms and/or heterocyclic radicals, and R 8 is C 1 -C 18 -alkyl, which is unsubstituted or substituted by aryl, alkyl, aryloxy, alkoxy, heteroatoms and/or heterocyclic radicals, or C 2 -C 18 -alkyl, which is uninterrupted or interrupted by one or more oxygen and/or sulfur atoms and/or one or more substituted or unsubstituted imino groups.