Pesticidal O-(N-alkoxy-aliphatic hydroxamate)-phosphorus esters and thioesters
AssigneeChevron Research Company
InventorWilliam F. King
Life of this patent
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Abstract
O-(N-alkoxy-aliphatic hydroxamate)-phosphorus esters and thioesters of the formula: ##STR1## wherein W is lower alkyl, lower cycloalkyl, lower aralkyl optionally substituted with 1 or 2 halogens, lower alkenyl, trihalomethyl or lower haloalkenyl; X is sulfur or oxygen; R.sub.1 is lower alkyl, lower alkenyl, lower haloalkenyl, lower alkynyl or benzyl optionally substituted with 1 to 3 halogens; R.sub.2 is lower alkyl, lower alkoxy or lower alkylthio; and R.sub.3 is lower alkoxy, lower alkylthio, lower alkylamino or phenyl, provided that when W is trihalomethyl, R.sub.3 is not lower alkoxy, exhibit insecticidal activity.
Claims27
A compound of the formula ##STR47## wherein X is sulfur or oxygen;
- R.sub.1 is lower alkyl;
- R.sub.2 is lower alkyl, lower alkoxy or lower alkylthio;
- R.sub.3 is lower alkoxy, lower alkylthio, lower alkylamino or phenyl;
- and W is lower alkyl, lower cycloalkyl, lower aralkyl, optionally substituted with 1 or 2 halogens, lower alkenyl, trihalomethyl or lower haloalkenyl, provided that when W is trihalomethyl, R.sub.3 is not lower alkoxy.
Dependencies are inferred from the claim text.