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Simple Chiral Diaminobinaphthyl Dilithium Salts for Intramolecular Catalytic Asymmetric Hydroamination of Amino‐1,3‐dienes
Authors:Julia Deschamp,Clarisse Olier,Emmanuelle Schulz,Ré  gis Guillot,Jé    me Hannedouche,Jacqueline Collin
Abstract:Simple and easily accessible chiral lithium amide salts are reported as efficient (pre)catalysts for the diastereo‐ [up to (E:Z)=92:8] and enantioselective [up to 72% ee (E)] hydroamination/cyclisation of conjugated primary aminodienes. These chiral lithium salts are straightforwardly prepared by in situ combination of an N‐substituted (R)‐(+)‐1,1′‐binaphthyl‐2,2′‐diamine ligand and a commercial methyllithium solution. Information on the solid‐state structure of these salts was obtained by X‐ray analysis of a single crystal.
Keywords:amino‐1,3‐dienes  asymmetric catalysis  hydroamination  lithium  nitrogen heterocycles
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