| abstract |
Novel pyrazoles of formula (I) wherein R1 represents halogen, C1-6 alkyl, C1 -5 haloalkyl, C2-6 alkoxy, C1-4 alkylthio, C2-5 alkenyloxy, C3-5 alkynyloxy, C2-6 (total carbon number) alkoxyalkyl), C2-6 (total carbon number) alkylthioalkyl, C1-5 haloalkoxy, C2-6 (total carbon number) alkoxyalkoxy, hydroxy or optionally substituted phenyl, R2 represents hydrogen, halogen, C1-5 alkyl, C2-6 (total carbon number) alkoxyalkyl, C2-6 (total carbon number) alkylthioalkyl, C2-6 (total carbon number) alkylsulfinylalkyl, C2-6 (total carbon number) alkylsulfonylalkyl or C1-5 haloalkyl, R3 represents hydrogen, C1-5 alkyl, - COR4, COOR5, CH(OR6)2 or CH2Si(R7)3, R4 represents C1-10 alkyl, C1-6 haloalkyl, C2-6 alkenyl, optionally substituted C3-6 cycloalkyl, C2-6 (total carbon number) alkoxyalkyl, C22-6 (total carbon number) alkylthioalkyl, optionally substituted phenyl, C1-6 haloalkyl, alkylamino, d i- (C1-6 alkyl)amino or optionally substituted phenylamino, R5 represents C1-7 alkyl, R6 and R7 represent C1-6 alkyl, and n is 1, 2 or 3, a nd when n is 2 or 3, the corresponding number (n) of R1 radicals may be the same or different, processes for preparing these compounds and their use as nematicides and anthelmintics. |