Oxidative coupling of alkylphenols by copper catalysts
US4851589A · kind A · utility
2Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1987 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Sep 18, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C46/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to the use of copper catalysts in the oxidative coupling of 2,6-dialkylphenols to produce mixtures of 3,3',5,5'-tetra-alkyl-4,4'-dihydroxybiphenyls and corresponding diphenoquinones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.