Process for the preparation of the compounds of diazafosforo biciclicos pesticides, compositions, processes for combating pests and for the preparation of compositions and Application

摘要

The novel bicyclic diazaphosphorus compounds of the formula I IMAGE in which n is 2, 3, 4 or 5 or X1 is O or S, X2 is O, S or N-R1, R1 and R2 independently of one another are hydrogen, alkyl, aryl or aralkyl, R3 is hydrogen or one or more identical or different substituents and R1 represents acyl radicals, are outstandingly suitable as pesticides, in particular as insecticides, fungicides and acaricides in the fields of agriculture and forestry, the domestic field, in hygiene, and in the protection of stored goods and materials, and also as ecto- and endoparasiticides in the field of veterinary medicine.