Back to results
US 4,405,640 AGranted
Substituted fluorobenzyl cyclopropane carboxylates useful as insecticides
AssigneeImperial Chemical Industries PLC
InventorNazim Punja
Life of this patent
Estimating the term…
Abstract
Insecticides of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each selected from methyl, halomethyl, and halo; X is oxygen, sulphur, sulphonyl or a group NR.sup.4 where R.sup.4 represents hydrogen, lower alkyl or lower carboxylic acyl; R.sup.3 is lower alkyl, lower alkenyl or benzyl; m has the value zero or one, and n has a value from one to four.
Claims8
A compound of formula:
- ##STR14## where one of R.sup.1 and R.sup.2 is halo and the other is trifluoromethyl, and R is alkyl of up to four carbon atoms, alkenyl of from three to five carbon atoms, methoxy, ethoxy, allyloxy, ethylthio or ethanesulphonyl, benzyl, dimethylamino, ethylamino, acetamido or n-methylacetamido, and R is in the 4-position with respect to the cyclopropane ester group.
Dependencies are inferred from the claim text.