Process for catalytic oxidation of ortho-nitroaromatic compounds to ortho-nitroaromatic acids
US4906771A · kind A · utility
6Cited by
3References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1989 |
| Grant date | Mar 6, 1990 |
| Priority date | — |
| Expiry date | Jan 25, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C201/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing ortho-nitroaromatic acids in high yields is disclosed. The process comprises reacting an ortho-nitroaromatic having at least one nitro group ortho to at least one oxidizable group with molecular oxygen in an inert reaction medium in the conjoint presence of a co-oxidizable compound, a heavy metal catalyst and bromine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.