Patent ID: 8288319

Claim:
A 4-(3-alkylthiobenzoyl)pyrazole of formula (I) and/or a salt thereof in which R 1 is (C 1 -C 4 )-alkyl, R 2 is hydrogen or (C 1 -C 4 )-alkyl, R 3 is (C 1 -C 6 )-alkyl, R 4 is hydrogen, (C 1 -C 6 )-alkylsulfonyl, (C 1 -C 4 )-alkoxy-(C 1 -C 6 )-alkylsulfonyl, phenylsulfonyl, thiophenyl-2-sulfonyl, benzoyl, benzoyl-(C 1 -C 6 )-alkyl, benzyl, where the five last-mentioned radicals are substituted by s radicals selected from the group consisting of halogen, (C 1 -C 4 )-alkyl and (C 1 -C 4 )-alkoxy; X is OR 5 , OCOR 5 or OSO 2 R 6 , R 5 is hydrogen, (C 1 -C 6 )-alkyl, (C 2 -C 6 )-alkenyl, (C 2 -C 6 )-alkynyl, (C 3 -C 6 )-cycloalkyl, (C 3 -C 6 ) -cycloalkyl-(C 1 -C 6 )-alkyl or phenyl-(C 1 -C 6 )-alkyl, where the six last-mentioned radicals are substituted by s radicals selected from the group consisting of halogen, OR 7 and S(O) m R 8 , R 6 is (C 1 -C 6 )-alkyl, (C 2 -C 6 )-alkenyl, (C 2 -C 6 )-alkynyl, (C 3 -C 6 )-cycloalkyl, (C 3 -C 6 )-cycloalkyl -(C 1 -C 6 )-alkyl or phenyl-(C 1 -C 6 )-alkyl, each of which is substituted by s radicals selected from the group consisting of halogen, OR 7 and S(O) m R 8 , R 7 is hydrogen, (C 1 -C 6 )-alkyl, (C 2 -C 6 )-alkenyl or (C 2 -C 6 )-alkynyl, R 8 is (C 1 -C 6 )-alkyl, (C 2 -C 6 )-alkenyl or (C 2 -C 6 )-alkynyl, Y is (C 1 -C 6 )-haloalkyl, m is 0, 1 or 2, n is 0, 1 or 2, s is 0, 1, 2 or 3.