ChemicalBook Product Catalog Organic Chemistry Carboxylic acids and derivatives Carboxylic acid esters and derivatives Trifluoromethanesulfonic acid difluoromethyl ester

Trifluoromethanesulfonic acid difluoromethyl ester

Trifluoromethanesulfonic acid difluoromethyl ester Basic information
Product Name:Trifluoromethanesulfonic acid difluoromethyl ester
Synonyms:Difluoromethyl trifluoromethanesulfonate 95%;Trifluoromethanesulfonic acid difluoromethyl ester;Difluoromethyl triflate 95%;Difluoromethyl triflate;Difluoromethyl trifluoromethanesulfonate;Methanesulfonic acid, 1,1,1-trifluoro-, difluoromethyl ester
CAS:1885-46-7
MF:C2HF5O3S
MW:200.08
EINECS:
Product Categories:
Mol File:1885-46-7.mol
Trifluoromethanesulfonic acid difluoromethyl ester Structure
Trifluoromethanesulfonic acid difluoromethyl ester Chemical Properties
Boiling point 48.5-49 °C
density 1.584 g/mL at 25 °C
Fp 57℃
storage temp. 2-8°C
form liquid
color Clear, colourless
Safety Information
Hazard Codes C,Xn
Risk Statements 22-34
Safety Statements 26-36/37/39-45
RIDADR UN 2920 3(8) / PGII
WGK Germany 3
HS Code 2905190098
MSDS Information
Trifluoromethanesulfonic acid difluoromethyl ester Usage And Synthesis
UsesDifluoromethyl triflate (TfO-CHF2) can be used as a reagent:
  • In difluoromethylation reaction.
  • To prepare difluoromethoxylated heterocycles by reacting with hydroxylated N-based heterocycles.
  • To synthesize trifluoromethylated arenes by treating with diaryliodonium salts in the presence of copper and tetrabutylammonium difluorotriphenylsilicate (TBAT).

It allows for a simple method toward the preparation of difluoromethyl ethers and thioethers under basic conditions from alcohols and thiols. Difluoromethyl phenols can also be obtained in a single pot from boronic acids and C-H activation of arenes.
General DescriptionDifluoromethyl triflate (HCF2OTf) is an easy to handle, air-stable and non-ozone-depleting liquid reagent for difluoromethylation. It can be prepared by reacting trifluoromethyltrimethylsilane (TMSCF3) and triflic acid in the presence of titanium tetrachloride (TiCl4).
TRIFLUOROACETALDEHYDE HYDRATE Methyl trifluoroacetate Potassium trifluoromethanesulfonate ERBIUM (III) TRIFLUOROMETHANESULFONATE GALLIUM(III) TRIFLUOROMETHANESULFONATE Potassium trifluoroacetate NEODYMIUM(III) TRIFLUOROMETHANESULFONATE Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester MAGNESIUM TRIFLUOROMETHANESULFONATE PRASEODYMIUM (III) TRIFLUOROMETHANESULFONATE Sodium trifluoroacetate Trifluoromethanesulfonic acid Nickel(II) Trifluoromethanesulfonate Lithium triflate TRIFLUOROACETALDEHYDE ETHYL HEMIACETAL PHENYL TRIFLUOROACETATE
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