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US 4,370,346 AGranted
Halogenated esters
AssigneeImperial Chemical Industries PLC
InventorNazim Punja
Life of this patent
Estimating the term…
Abstract
Compounds of formula I wherein R.sup.1 and R.sup.2 are haloalkyl or halo, X is O, S, S(O), SO.sub.2 or NR.sub.4 where R.sub.4 is H or alkyl, R.sup.3 is alkyl and n is 1 to 4, and compositions comprising them, useful as insecticides. ##STR1##
Claims8
A compound of formula:
- ##STR9## wherein R.sup.1 and R.sup.2 are both chloro or one of R.sup.1 and R.sup.2 is chloro or fluoro and the other is trifluoromethyl and R is in the 4-position with respect to the cyclopropane ester group and is selected from alkoxymethyl, alkylthiomethyl, phenoxymethyl, alkanesulphinylmethyl, alkanesulphonylmethyl, alkylaminomethyl and dialkylaminomethyl groups containing up to four carbon atoms in the alkyl or alkane moiety.
4-methoxymethyl-2,3,5,6-tetrafluorobenzyl 3-(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropane carboxylate.
Dependencies are inferred from the claim text.