Process for fluorinating compounds
US9988322B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Nov 12, 2014 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Nov 12, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/803
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Methods of preparing a fluorinated aryl or heteroaryl substrate by combining a quaternary ammonium cyanide and an aryl or heteroaryl substrate substituted with at least one chloro, bromo, sulfonyl, or nitro group to thereby provide a mixture, and combining the mixture with hexafluorobenzene to thereby provide the fluorinated substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.