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US 5,847,140 AGranted
Intermediates for the manufacture of herbicidal 1-{ 2-(cyclopropylcarbonyl) Phenyl! Sulfamoyl}-3-(4,6-dialkoxy-2-pyrimidinyl) urea compounds
AssigneeAmerican Cyanamid Company
InventorThomas Walter Drabb, Jr.
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Abstract
There is provided an effective and efficient, three step process for the manufacture of crop-selective, herbicidal 1-{2- (cyclopropylcarbonyl)-phenyl!sulfamoyl}-3-(4,6-dialkoxy-2-pyrimidinyl)urea compounds, and an intermediate for use therein.
Claims3
A compound having the structural formula ##STR8## wherein Y is hydrogen or F;
- and X and X.sub.1 are Cl.
Dependencies are inferred from the claim text.