| abstract |
Pesticidal substituted 2-arylpyrroles of the formula <IMAGE> (I) 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 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> (R5 and R6 having various meanings). The compounds of the formulas <IMAGE> (II) and <IMAGE> (V) are also new. |