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US 4,191,554 AGranted
Herbicidal benzamides
AssigneeE. I. Du Pont de Nemours and Company
InventorWalter A. Gregory
Life of this patent
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Abstract
Herbicidal compounds of the formula: ##STR1## where R.sub.1 is hydrogen, methyl or ethyl; R.sub.2 is alkyl of 1-4 carbon atoms, methoxy or cyanomethyl; and p1 R.sub.1 and R.sub.2 together can be --(CH.sub.2).sub.4 --, provided that when R.sub.2 is alkyl of 3 or 4 carbon atoms, methoxy or cyanomethyl, R.sub.1 cannot be ethyl.
Claims21
A compound of the formula:
- ##STR23## where R.sub.1 is hydrogen, methyl, or ethyl;
- R.sub.2 is alkyl of 1-4 carbon atoms, methoxy or cyanomethyl;
- and
- R.sub.1 and R.sub.2 together can be --(CH.sub.2).sub.4 --, provided that when R.sub.2 is alkyl of 3 or 4 carbon atoms, methoxy or cyanomethyl, R.sub.1 cannot be ethyl.
1 more element
Dependencies are inferred from the claim text.