| abstract |
Substituted trifluoromethylpyridines of the general formula Ia or Ib <IMAGE> where the substituents have the following meanings: R1 is amino or hydrazino, in the case of Ib additionally chlorine or fluorine; R2 is halogen; and R3 is C1-C6-alkyl, C2-C6-alkenyl or C2-C6-alkynyl, it being possible for these groups to have attached to them up to 6 halogen atoms, C3-C6-cycloalkyl which can have attached to it up to 3 C1-C3-alkyl radicals, C1-C6-cyanoalkyl, C1-C4-alkoxy-C2-C6-alkyl, 3-oxetanyl, carboxyl-C1-C6-alkyl, C1-C6-alkoxycarbonyl-C1-C6-alkyl, C1-C4-alkoxy-C2-C4-alkoxycarbonyl-C1-C6-alkyl, aminocarbonyl-C1-C6-alkyl, C1-C4-alkylaminocarbonyl-C1-C6-alkyl, C1-C4-dialkylaminocarbonyl-C1-C6-alkyl, C2-C4-alkenylaminocarbonyl-C1-C6-alkyl, C3-C4-alkynylaminocarbonyl-C1-C6-alkyl, C1-C4-alkyl-C3-C4-alkenylaminocarbonyl-C1-C6-alkyl, C1-C4-alkyl-C3-C4-alkynylaminocarbonyl-C1-C6-alkyl, C3-C6-( alpha -alkylalkylidene)iminoxy-C2-C6-alkyl, cyclopropylmethyl, C1-C6-alkylamino, C1-C6-dialkylamino, C1-C6-alkylideneimino- or alpha -(C1-C4-alkyl) -C2-C6-alkylideneimino; and halogen is fluorine, chlorine, bromine or iodine, and processes for their preparation. |