Process for the preparation of CHF.sub.2 OCHFCF.sub.3
US4972040A · kind A · utility
6Cited by
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1Claims
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Key dates
| Filing date | Jul 17, 1989 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Jul 17, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C309/73
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of a compound having the formula CF.sub.3 CHFOCH.sub.3 comprising reacting a fluorinating agent with the reaction product of CF.sub.3 CH(OH)OCH.sub.3 and p-toluene sulfonyl chloride and an improved method for the preparation of CHF.sub.2 OCHFCF.sub.3 through the use of such compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.