Patent ID: 7041852

Claim:
Process for preparing compounds of the formula (I) in which R 1 and R 2 are each independently hydrogen, C 1 –C 12 -alkyl, CO(C 1 –C 12 -alkyl), CO(C 5 –C 14 -aryl), CO(C 6 –C 15 -arylalkyl), COO(C 1 –C 12 -alkyl), COO(C 5 –C 14 -aryl) COO(C 6 –C 15 -arylalkyl), COO(C 2 –C 12 -alkenyl) or C 6 –C 15 -arylalkyl, or NR 1 R 2 as a whole is a cyclic radical having a total of 4 to 16 carbon atoms, or is isocyanate, and R 3 , R 4 , R 5 and R 6 are each fluorine or C 1 –C 12 -pefluoroalkyl, or two of the R 3 , R 4 , R 5 and R 6 radicals form a cyclic perfluoroalkyl radical having a total of 4 to 20 carbon atoms, and n is one or two, and R 7 is C 1 –C 12 -alkyl, C 5 –C 14 -aryl, C 6 –C 15 -arylalkyl, hydroxyl, chlorine, bromine, fluorine, nitro, cyano, free or protected formyl, C 1 –C 12 -haloalkyl, or radicals of the formulae (IIa) to (IIf), A-B-D-E (IIa) A-E (IIb) A-SO 2 -E (IIc) A-B—SO 2 R 9 (IId) A-SO 3 W (IIe) A-COW (IIf) in which, each independently, A is absent or is a C 1 –C 8 -alkylene radical and B is absent or is oxygen, sulphur or NR 8 , where R 8 is hydrogen, C 1 –C 8 -alkyl, C 6 –C 15 -arylalkyl or C 5 –C 14 -aryl, and D is a carbonyl group and E is R 9 , OR 9 , NHR 10 or N(R 10 ) 2 where R 9 is C 1 –C 8 -alkyl, C 6 –C 15 -arylalkyl, C 1 –C 8 -haloalkyl or C 5 –C 14 -aryl, and R 10 is in each case independently C 1 –C 8 -alkyl, C 6 –C 15 -arylalkyl or C 6 –C 14 -aryl, or N(R 10 ) 2 together is a cyclic amino radical having 4 to 12 carbon atoms and W is OH, NH 2 or OM where M is an alkali metal ion, half an equivalent of an alkaline earth metal ion, an ammonium ion or an organic ammonium ion, and m is an integer from 0 to 5−n, comprising reacting: in step (a): compounds of the formula (II) in which R 1 , R 2 , R 7 and m are each as defined above with compounds of the formula (III) R 3 R 4 Hal 1 C—CHal 2 R 5 R 6 (III) in which R 3 , R 4 , R 5 and R 6 are each as defined above and Hal 1 and Hal 2 are each independently chlorine, bromine or iodine, to give compounds of the formula (IV) in which R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , m, n and Hal 1 , are each as defined above and in a step b), converting the compounds of the formula (IV) to compounds of the formula (I) by reading with ionic fluoride.