Process for the preparation of fluorinated heterocyclic compounds
US5859255A · kind A · utility
1Cited by
3References
16Claims
0Family size
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Key dates
| Filing date | Jun 20, 1997 |
| Grant date | Jan 12, 1999 |
| Priority date | — |
| Expiry date | Jun 20, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D221/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of fluorinating a heterocyclic organic compound comprises the step of reacting a heterocyclic compound with elemental fluorine in the presence of another halogen. The reaction may be conducted in the presence of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.