Dynamic Kinetic Asymmetric Synthesis of Substituted Pyrrolidines from Racemic Cyclopropanes and Aldimines: Reaction Development and Mechanistic Insights
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An enantioselective preparation of 2,5-cis-disubstituted pyrrolidines has been achieved via a dynamic kinetic asymmetric transformation (DyKAT) of racemic donor−acceptor cyclopropanes and (E)-aldimines. Mechanistic studies suggest that isomerization of the aldimine or resultant iminium to the Z geometry is not a pathway that furnishes the observed 2,5-cis-disubstituted products.
创建时间:
2016-02-24



