Method for the preparation of 4-halo-2'-nitrobutyrophenone compounds
US5414136A · kind A · utility
4Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1994 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Apr 29, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a method for the preparation of a 4-halo-2'-nitrobutyrophenone compound having the structural formula I ##STR1## The formula I compound is an important intermediate in the manufacture of a sulfamoyl urea herbicidal agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.