Patent ID: 8188008

Claim:
A 4-phenylpyridazinone of formula (I) or a salt thereof in which A is (C 3 -C 6 )-cycloalkyl, (C 3 -C 6 )-cycloalkyl-(C 1 -C 6 )-alkyl, benzyl, halophenyl-(C 1 -C 6 )-alkyl or is (C 1 -C 6 )-alkyl which is substituted by m halogen atoms; B is (C 3 -C 6 )-cycloalkyl, (C 3 -C 6 )-cycloalkyl-(C 1 -C 6 )-alkyl, benzyl, halophenyl-(C 1 -C 6 )-alkyl or is (C 1 -C 6 )-alkyl which is substituted by n halogen atoms; m is 0, 1, 2 or 3; n is 0, 1, 2 or 3, with the proviso that m and n are not both 0; G is hydrogen, C(═O)R 1 , C(=L)MR 2 , SO 2 R 3 , P(=L)R 4 R 5 , C(=L)NR 6 R 7 , or E; E is Na + , K + , (Mg 2+ ) 1/2 , (Ca 2+ ) 1/2 , R 13 R 14 R 15 R 16 N + or NH 4 + ; R 13 , R 14 , R 15 and R 16 are independently of one another (C 1 -C 6 )-alkyl or benzyl; L is oxygen; M is oxygen; R 1 is (C 1 -C 6 )-alkyl which is substituted by n halogen atoms or is (C 3 -C 6 )-cycloalkyl, phenyl or phenyl-(C 1 -C 4 )-alkyl, each of which is substituted by n radicals selected from the group consisting of halogen, (C 1 -C 4 )-alkyl and (C 1 -C 4 )-alkoxy; R 2 is (C 1 -C 6 )-alkyl which is substituted by n halogen atoms or is (C 3 -C 6 )-cycloalkyl, phenyl or benzyl, each of which is substituted by n radicals selected from the group consisting of halogen, (C 1 -C 4 )-alkyl and (C 1 -C 4 )-alkoxy; R 3 , R 4 and R 5 are each independently of one another (C 1 -C 6 )-alkyl which is substituted by n halogen atoms or are phenyl or benzyl which are substituted by n radicals selected from the group consisting of halogen, (C 1 -C 4 )-alkyl and (C 1 -C 4 )-alkoxy; R 6 and R 7 are each independently of one another hydrogen, (C 1 -C 6 )-alkyl which is substituted by n halogen atoms or phenyl or benzyl which are substituted by n radicals selected from the group consisting of halogen, (C 1 -C 4 )-alkyl and (C 1 -C 4 )-alkoxy; and a) X is hydrogen, methyl, ethyl or cyclopropyl; Y is halogen, cyano, nitro, halo-(C 1 -C 6 )-alkyl, halo-(C 1 -C 6 )-alkoxy, (C 3 -C 6 )-cycloalkyl, (C 1 -C 6 )-alkoxy or phenyl which is substituted by n halogen atoms, Z is hydrogen, halogen, halo-(C 1 -C 6 )-alkyl, halo-(C 1 -C 6 )-alkoxy, (C 3 -C 6 )-cycloalkyl or phenyl which is substituted by n halogen atoms, or b) X is halogen, cyano, nitro, halo-(C 1 -C 6 )-alkyl, halo-(C 1 -C 6 )-alkoxy, (C 1 -C 6 )-alkoxy or (C 3 -C 6 )-cycloalkyl; Y is hydrogen, halogen, cyano, nitro, (C 3 -C 6 )-cycloalkyl, is (C 1 -C 6 )-alkyl, (C 1 -C 6 )-alkoxy or phenyl, each of which is substituted by n halogen atoms; Z is hydrogen, halogen, cyano, nitro, (C 3 -C 6 )-cycloalkyl or is (C 1 -C 6 )-alkyl, (C 1 -C 6 )-alkoxy or phenyl, each of which is substituted by n halogen atoms.