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US 4,225,616 AGranted
Tetrahaloethylcyclopropane-carboxylic acid esters
AssigneeCiba-Geigy Corporation
InventorsPeter Ackermann, Jozef Drabek, Saleem Farooq, Laurenz Gsell, Odd Kristiansen, Rudolf Wehrli
Life of this patent
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Abstract
Cyclopropanecarboxylic acid esters of the formula ##STR1## in which X.sub.1 is fluorine, chlorine or bromine, R.sub.1 and R.sub.2 are each hydrogen, fluorine, chlorine, bromine or methyl, R.sub.3 and R.sub.4 are each hydrogen, fluorine, chlorine, bromine, methyl, methoxy, nitro or dimethylamine, or together are methylenedioxy, and R.sub.5 is hydrogen or methyl, processes for producing them, and their use in controlling insect pests.
Claims10
A cyclopropanecarboxylic acid ester of the formula ##STR6## in which X.sub.1 is fluorine, chlorine or bromine,
- R.sub.1 and R.sub.2 are each hydrogen, fluorine, chlorine, bromine or methyl,
- R.sub.3 and R.sub.4 are each hydrogen, fluorine, chlorine, bromine, methyl, methoxy, nitro or dimethylamime, or together as methylenedioxy, and
- R.sub.5 is hydrogen or methyl.
Dependencies are inferred from the claim text.