Process for preparation of fluoroaromatic or fluoroheterocyclic compounds
US4812572A · kind A · utility
1Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1987 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Jul 27, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C201/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of a fluoroaromatic or fluoroheterocyclic compound, which comprises diazotizing the corresponding amino-aromatic or amino-heterocyclic compound in hydrogen fluoride and decomposing the diazonium salt in the diazotization mixture so formed, characterized in that decomposition is carried out at super atmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.