2-perhalogenoalkyl-substituted benzimidazoles, their preparation and their use as pesticides (2-Perhalogenoalkyl-substituted benzimidazoles, their preparation and their use as pesticides)

摘要

The present invention relates to novel substituted benzimidazoles of the general formula (I), their preparation and their use as pesticides.;Wherein R ₁ represents hydrogen, alkyl or optionally substituted aryl, R ² represents hydroxyl, cyano, alkoxy, or optionally substituted amino, R ³ represents perhalogenoalkyl, X ¹ , X ² , X ³ and X ⁴ independently of each other represent hydrogen, halogen, nitro or optionally substituted aryloxy in each case, but at least one of these substituents X ¹ , X ² , X ³ and X ⁴ is not hydrogen, provided Of these, the compound 1-cyanomethyl-2-trifluoromethyl-5,6-dichlorbenzimidazole is excluded.