2-Replaced arylpyrroles, process for their preparation, pest control agent. use, processes for combating pests and preparing agents

摘要

The present invention relates to novel substituted 2-arylpyrroles of the formula (I) IMAGE in which n represents 0, 1 or 2, Ar represents optionally substituted aryl, R1 and R2 independently of one another represent hydrogen or halogen, but where at least one of the two radicals R1 or R2 represents halogen, R3 represents hydrogen, halogen or optionally substituted alkyl, X1 and X2 independently represent hydrogen or halogen and R4 represents hydrogen or IMAGE (where R5 and R6 have the meanings given in the description), furthermore to processes and novel intermediates for their preparation, and to their use as pesticides.