Design and Synthesis of Enantiopure Tetrakis(pentafluorophenyl) Borate Analogues for Asymmetric Counteranion Directed CatalysisFunding from the Max-Planck-Society and the European Research Council (Advanced Grant CHAOS) is gratefully acknowledged.
Received: 13 June 2017
Accepted after revision: 16 August 2017
30 August 2017 (eFirst)
Published as part of the Cluster Silicon in Synthesis and Catalysis
The design and five-step synthesis of chiral tetrakis(pentafluorophenyl) borate analogues from commercially available enantiopure BINOL is described. The chiral anions have been tested in a catalytic asymmetric Mukaiyama aldol reaction.