Trifluoromethanesulfonic Anhydride, Purum, Greater Than Or Equal To 98.0% (T), 5 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 sulfâ­oxides 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