Trifluoromethanesulfonic anhydride, purum, Greater Than or Equal to 98.0% (T), 25 mL, Each

Details

Specifications Synonyms: Tf2O; Triflic anhydrideCAS Number: 358-23-6Formula: C2F6O5S2Formula Weight: 282.14Linear Formula: (CF3SO2)2OMDL No.: MFCD00000408Purity: >=98.0% (T)Boiling Point: 81-83 C(lit.)Density: 1.677 g/mL at 25 C(lit.)Refractive Index: n20/D 1.321(lit.)Beilstein Registry Number: 1813600EC Number: 206-616-8UNSPSC Code: 12352101Application: Trifluoromethanesulfonic anhydride can be used in the preparation of azido sugars such as 6-azido fucose. It can also be used as a promoter for the Friedel-Crafts acylation of aromatic compounds with carboxylic acids in the absence of catalyst.Tf2O in combination with:. Diphenyl sulfoxide, forms an efficient promoter system for the activation of thioglycosides for glycosylation reactions.. 2-chloropyridine, can be used for secondary amide activation.. Potassium iodide, can effectively mediate the deoxygenation of sulfoxides to form sulfides.. Hydrogen peroxide, for the selective oxidation of sulfanes to sulf­oxides in the presence of oxidatively sensitive functional groups.Tf2O can react with:. Ketones in the presence of a base to form vinyl triflates.. Magnesium alkoxides to form corresponding symmetrical or unsymmetrical ethers.. Sodium azide for the in situ preparation of triflyl azide.Application: Catalyst for glycosylation for synthesis of polysaccharidesReagent for stereoselective synthesis of mannosazide methyl uronate donorsActivator for direct glycosylation with anomeric hydroxy sugarsOther Notes: Electrophilic trifyl source. ReviewsRIDADR: UN 3265 8 / PGIIWGK Germany: 3R Codes: 14-22-35S Codes: 26-36/37/39-43-45IOD Codes: CSymbol: GHS05, GHS07Signal Word: DangerHazard Statements: H302-H314Precautionary statements: P280-P305 P351 P338-P310