N-trifluoromethyl-n- nitrosotrifluoromethanesulfonamide


NEW MATERIAL:N-Trifluoromethyl-N-nitrosofluoromethanesulfonamide of the formula. USE: Useful as a reagent for introducing trifluoromethyl groups. The two trifluoromethyl groups remarkably increase the usefulness of the reagent as a trifluoromethylating agent. The decomposition products are wholly gases, and the separation of the trifluoromethyl compound can be very easily carried out. PREPARATION: Trifluoronitrosomethane is reacted with hydroxylamine, and the resultant product is then reacted with trifluoromethanesulfonyl fluoride in the presence of a base, e.g. NaOH, to afford the aimed compound of the formula. The reaction is preferably carried out in a solvent, e.g. DMF, at -100W-10°C. COPYRIGHT: (C)1985,JPO&Japio




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    JP-2008285419-ANovember 27, 2008Central Glass Co Ltd, セントラル硝子株式会社トリフルオロメタンスルホニルフロリドの製造方法