Synthesis of<i>gem</i>-Bistriflates: Reaction of Aliphatic Aldehydes with Trifluoromethanesulfonic Acid Anhydride

Abstract

Reaction of aldehydes 1 with trifluoromethanesulfonic anhydride (2) in the presence of a base 3 or 4 at 0°C leads to gem-bistriflates 6 in good yields