C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 239/42 (2006.01) C07C 221/00 (2006.01) C07C 225/22 (2006.01) C07C 253/30 (2006.01) C07C 255/63 (2006.01) C07C 311/08 (2006.01) C07C 311/21 (2006.01) C07C 311/22 (2006.01) C07C 317/34 (2006.01) C07C 323/49 (2006.01) C07D 239/46 (2006.01) C07D 251/12 (2006.01) C07D 307/33 (2006.01)
Patent
CA 2225206
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-{[o--(cyclopropylcarbonyl) phenyl]-sulfamoyl}-3-(4,6-dimethoxy--2-pyrimidinyl)urea. Also provided is a method for the preparation of said intermediates.
Cortes David Andres
Kremer Kenneth Alfred Martin
American Cyanamid Company
Basf Aktiengesellschaft
Smart & Biggar
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