Method of preparing monofluoromethyl ethers
US5886239A · kind A · utility
12Cited by
8References
7Claims
0Family size
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Key dates
| Filing date | Nov 21, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Nov 21, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C41/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of preparing fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether (sevoflurane) and structurally related monofluoromethyl ethers in which the monochloromethyl ether precursor thereof is reacted with a sterically hindered tertiary amine hydrofluoride salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.