abstract |
The present invention provides o-aminophenyl ketone derivatives which are intermediates useful in the manufacture of herbicidal sulfamoyl urea compounds, including the crop selective herbicide 1-äÄo-(cyclopropylcarbonyl)phenylÜ-sulfamoylü-3-(4,6-dimethoxy-2-pyrim idinyl)urea. Also provided is a method for the preparation of said intermediates. |