Lewis Base Activation of Lewis Acids - Group 13. In Situ Generation and Reaction of Borenium Ions
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A variety of Lewis bases were combined with 9-BBN-NTf2 to establish the requirements for the generation of borenium cations. Five different types of behavior were found, but the most interesting was the combination of Et3N, DABCO, 2,6-lutidine, or Ph3P=S which... ...