Enantio- and diastereoselective catalytic mannich-type reaction of a glycine schiff base using a chiral two-center phase-transfer catalyst

Article abstract of DOI:10.1002/anie.200500927

(Chemical Equation Presented) Optically active α,β-diamino acids are prepared under asymmetric phase-transfer reaction conditions from a glycine Schiff base and N-protected imines with a tartrate-derived diammonium salt (TaDiAS) as the phase-transfer cata