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US 4,064,269 AGranted
4-[(4-Phenoxy and benzyl)-phenoxy]-butyric acid esters
AssigneeCiba-Geigy Corporation
InventorFriedrich Karrer
Life of this patent
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Abstract
New ethers of the formula ##STR1## wherein R.sub.1 represents cyano or the radical ##STR2## R.sub.2 = methoxy, ethoxy, propoxy, isopropoxy, n-, i-, sec.-, tert.-butoxy, propargyloxy, methylthio, ethylthio, isopropylthio, methylamino, ethylamino, isopropylamino, dimethylamino, diethylamino or methyl, R.sub.3 represents hydrogen or methyl, and Y represents -- CH.sub.2 -- or -- O -- their preparation and their use as pest controlling agents are disclosed.
Claims11
A compound of the formula ##STR10## wherein R.sub.2 represents methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec.butoxy, tert.butoxy or propargyloxy,
- R.sub.3 represents hydrogen or methyl, and
- Y represents methylene or oxygen.
Dependencies are inferred from the claim text.