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Synlett 1993; 1993(6): 433-434
DOI: 10.1055/s-1993-22485
DOI: 10.1055/s-1993-22485
letter
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The Use of Bis-trimethylsilyl-acetamide and -urea in Trimethylsilyl Trifluoromethanesulfonate Catalysed Reactions
Further Information
Publication History
Publication Date:
19 March 2002 (online)
Although the interaction of trifluoromethanesulfonic (triflic) acid (TfOH) with either bis-trimethylsilyl -acetamide (BTMSA) or -urea (BTMSU) does not lead to the formation of stoichiometric amounts of trimethylsilyl triflate (TMSOTf) the system can be used efficiently to remove triflic acid from TMSOTf and to generate catalytic amounts of TMSOTf from TfOH.