Process for oxidizing a phenol to a p-benzoquinone
US4519948A · kind A · utility
4Cited by
3References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 30, 1983 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | Aug 30, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2231/70
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Phenol or a substituted phenol is oxidized to the corresponding benzoquinone or substituted benzoquinone in a nitroalkane solvent in the presence of a copper ion catalyst promoted with a base selected from alkali metal phenoxides, and secondary or tertiary lower alkyl amines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.