Preparation of 4-bromobiphenyl
US4990705A · kind A · utility
3Cited by
3References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Apr 24, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
4-Bromobiphenyl is selectively produced in high yields, and in high conversions, by monobrominating biphenyl in a solvent reaction medium containing at least one organosulfur compound, amide, nitrile or acid having a pKa of at least 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.