Investigations into the enantioselective C-protonation of prostereogenic enolate(s) derived from N,N′-diisopropyl-2-phenylpropanamide using suicide C-based proton sources

Article abstract of DOI:10.1016/j.tetlet.2004.10.090

The synthesis of enantiomerically enriched (-)-(R)-N, N′-diisopropyl- 2-phenylpropanamide was achieved in up to 69% enantiomeric excess by symmetrisation of the corresponding racemic amide by addition of sec-BuLi (to give the corresponding achiral lithium