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Triflimide Activation of a Chiral Oxazaborolidine Leads to a More General Catalytic System for Enantioselective Diels−Alder Addition

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posted on 30.04.2003, 00:00 authored by Do Hyun Ryu, E. J. Corey
The strong acid triflimide ((CF3SO2)2NH) protonates chiral oxazaborolidines to form superactive, stable, chiral Lewis acids which are highly effective catalysts for a wide variety of enantioselective Diels−Alder reactions, documented herein by more than 20 examples.

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