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A Local‐Desymmetrization‐Based Divergent Synthesis of Quinine and Quinidine
Authors:Jaehoo Lee  David Y.‐K. Chen
Abstract:
Herein we report a novel synthetic entry to the legendary quinuclidine natural products quinine and quinidine. The developed strategy is based on the use of a symmetrical and nonstereogenic precursor to access quinine and quinidine through a “local‐desymmetrization” approach, in stark contrast conceptually to the preparation of stereodefined disubstituted piperidines (or their acyclic precursors) as featured in all past syntheses. The developed strategy also provided quinine and quinidine derivatives that could not be readily obtained through previous total syntheses or by modification of the naturally occurring substances.
Keywords:Alkaloide  Chinin  Desymmetrisierung  Naturprodukte  Totalsynthese
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