Aminophenyl ketone derivatives and a method for the preparation thereof
US6127576A · kind A · utility
0Cited by
13References
16Claims
0Family size
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Inventors
Key dates
| Filing date | Nov 5, 1997 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Nov 5, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/33
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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-{[o-(cyclopropylcarbonyl)phenyl]-sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidin yl)urea. Also provided is a method for the preparation of said intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.