Process for the preparation of hydroxybiphenyls
US4853487A · kind A · utility
7Cited by
6References
14Claims
0Family size
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Inventor
Key dates
| Filing date | Jan 20, 1988 |
| Grant date | Aug 1, 1989 |
| Priority date | — |
| Expiry date | Jan 20, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the production of a hydroxybiphenyl by the hydrolysis of a bromobiphenyl, at a temperature below 300.degree. C., in the presence of both a copper-based catalyst and a separate cocatalyst selected from amongst halides, phosphates, nitrates, alcoholates, silicates, alcohols, carboxylic acids, sulfonic acids, organic sulfur-containing compounds, carbon monoxide, quinolines, tertiary amines, ammoniums, phosphines, phosphoniums, cyanides and palladium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.