Perbromination of phenol and diphenyl ether at elevated temperature using bromine as the reaction medium
US4287373A · kind A · utility
30Cited by
1References
12Claims
0Family size
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Key dates
| Filing date | Oct 1, 1979 |
| Grant date | Sep 1, 1981 |
| Priority date | — |
| Expiry date | Oct 1, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the perbromination of phenol and diphenyl ether by brominating the corresponding compound in bromine as the sole reaction medium using metal and metal-containing catalysts at an elevated initial reaction temperature of at least about 35.degree. C., preferably at least about 45.degree. C., substantially enhances reaction productivity without adversely affecting product yield or quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.