Schering Aktiengesellschaft

Gunter Homberger

Hartmut Joppien

Arnim Kohn

Peter Wegner

Harald Von Keyserlingk

This are described new halogenated olefines of general formula I ##STR1## in which X.sub.1, X.sub.2, X.sub.3, n and A have the meanings given in the description as well as processes for their preparation. The compounds can be used as pesticides especially against insects and acarids.

Halogenated olefins, processes for their preparation and their use as

There are provided new 2,2-difluorocyclopropylethane derivatives of general formula I ##STR1## in which A, B and R.sup.1-5 have the meanings given in the description and processes for their preparation. The compounds of the invention can be used as pesticides, especially against insects and mites.

2,2-difluorocyclopropylethane derivatives, processes for their

There are provided new 2-fluorocyclopropylacetic acid esters of general formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 have the meanings given in the description as well as processes for their preparation of the compounds of formula I. The compounds of the invention can be used as pesticides, especially against insects and mites.

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Berlin, Germany

Gunter Homberger