WebTrifluoromethanesulfonic anhydride is used to convert phenols and imine into triflic ester and NTf group. It is a strong electrophile used for the introduction of triflyl group in chemical synthesis. It serves as a reagent in the preparation of alkyl and vinyl triflates, and for the stereoselective synthesis of mannosazide methyl uronate donors. Web1 May 2003 · Ph2SO/Tf2O: a powerful promotor system in chemoselective glycosylations using thioglycosides Diphenylsulfoxide in combination with triflic anhydride provides a very potent thiophilic glycosylation promotor system, capable of …
Tf2O-TMDS combination for the direct reductive transformation of ...
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Web1 Jan 1984 · Pyridine and picoline-N-oxides react with (CF3SO2)2O to give N-sulfonyloxy and dipyridinium ether triflate salts. WebNovel, non-racemic 4,5-unsubstituted N-carbamoyl-2,3-dihydroisoxazoles are prepared in moderate to good yields from the corresponding 5-hydroxyisoxazolidines under mild reaction conditions using the Tf 2 O/2-chloropyridine couple in N-methyl-2-pyrrolidone. WebCome along to the CyberNorth Cake, Coffee & Collaboration event where I will be speaking about #AI in industry alongside Newcastle University Thank you Phil… how can i have my own wifi