abstract |
A process for preparing fluoromethyl-2,2,2-trifluoro-1- (trifluoromethyl) ethyl ether (sevoflurane) comprising reacting a mixture comprising 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP ), formaldehyde and hydrogen in the presence of, or with the subsequent addition of, a solvent capable of selectively extracting sevoflurane. |