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US 4,075,000 AGranted
Herbicidal use of 4-amino-3,3-dimethyl-1-phenyl-2-azetidinones
AssigneeEli Lilly and Company
InventorRiaz F. Abdulla
Life of this patent
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Abstract
A class of 4-amino-3,3-dimethyl-1-phenyl-2-azetidinones reduce the vigor of unwanted herbaceous plants to which the compounds are applied. The compounds are effective when applied either preemergence or postemergence at rates from about 2 to about 20 kg./ha.
Claims7
A method of reducing the vigor of unwanted herbaceous plants which comprises contacting the plants with an herbicidally-effective amount of a compound of the formula ##STR2## wherein R represents
- dimethylamino,
- diethylamino, or
- morpholino;
- R.sup.1 and R.sup.2 independently represent
- hydrogen,
- methyl,
- chloro,
- fluoro,
- methoxy,
- methylthio, or
- trifluoromethyl;
- provided that both R.sup.1 and R.sup.2 do not represent hydrogen, and that neither R.sup.1 nor R.sup.2 represents hydrogen when R represents morpholino.
9 more elements
Dependencies are inferred from the claim text.