Method for dehydrogenofluorination of an aromatic carbamoyl fluoride
US7291750B1 · kind B1 · utility
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Key dates
| Filing date | Jul 4, 2000 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Jul 4, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C263/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for dehydrogenofluorination for transforming an aromatic carbamoyl fluoride into a corresponding isocyanate, is provided. The method includes subjecting a carbamoyl fluoride to a temperature not less than 80° C. in a solvent wherein the carbamoyl fluoride is in a dissolved or finely dispersed state in the solvent. The method is applicable to organic synthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.