Dimethyl Carbonate → Methyl triflate

Reaktionsgleichung

[F:1][C:2]([F:15])([F:14])[S:3]([O:6]S(C(F)(F)F)(=O)=O)(=[O:5])=[O:4].[C:16](=O)(OC)OC>>[F:1][C:2]([F:15])([F:14])[S:3]([O:6][CH3:16])(=[O:5])=[O:4]

Komponenten

Edukt 2

HCID 12021Dimethyl Carbonate

HCID 67749Trifluoromethanesulfonic anhydride

Produkt 1

HCID 9526Methyl triflateAusbeute 197,7 %

Versuchsvorschrift

731 g (2.59 mol) of trifluoromethanesulfonic anhydride and 232 g (2.58 mol) of dimethyl carbonate are added to the residue, and the process described above is repeated. 837 g of methyl trifluoromethanesulfonate having a purity of greater than 99% are isolated (yield: 99.1%).

Quellen und Nachweise

ORD-Eintrag: ord-befbfb3aff7c451d95620ddeb9864f61
Quelldatensatz: uspto-grants-2006_08
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US07084290B2

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