Process for preparing 2-chloro-4,5-difluorobenzoic acid
US4833270A · kind A · utility
6Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1987 |
| Grant date | May 23, 1989 |
| Priority date | — |
| Expiry date | Dec 21, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C251/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This disclosure describes a novel process for preparing 2-chloro-4,5-difluorobenzoic acid which is useful in the preparation of 7-(substituted)piperazinyl-1-substituted-6-fluoro-1,4-dihydro-4-oxo-3-quin oli necarboxylic acid antibacterial agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.