Synlett 2003(10): 1566-1567
DOI: 10.1055/s-2003-40866
SPOTLIGHT
© Georg Thieme Verlag Stuttgart ˙ New York

Bismuth(III) tris(trifluoro-methanesulfonate)

Sylvain Antoniotti*
Laboratoire Arômes, Synthèses et Interactions, Faculté des Sciences, Parc Valrose, F-06108 Nice cedex 02
e-Mail: antoniot@unice.fr;
Further Information

Publication History

Publication Date:
24 July 2003 (online)

Introduction

Among several bismuth compounds described for their use in organic synthesis, [1] bismuth(III) tris(trifluoromethanesulfonate), commonly called bismuth triflate, has received increasing interest over the last few years, and many publications have reported its powerful Lewis acidity, offering a new reagent for various catalytic reactions. Bismuth(III) triflate can be prepared from cheap triphenylbismuth [2] or bismuth(III) oxide Bi2O3, [3] and triflic acid. The displacement of trifluoroacetate groups of bismuth(III) trifluoroacetate by an excess of triflic acid has also been reported. [4]

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