Copper(II)salen catalysed, asymmetric synthesis of α,α-disubstituted amino acids

A Rational Approach to Catalytic Enantioselective Enolate Alkylation Using a Structurally Rigidified and Defined Chiral Quaternary Ammonium Salt under Phase Transfer Conditions

E. J. Corey, Feng Xu, Mark C. Noe · Journal of the American Chemical Society · 1997 · 669 citations

Natural Sciences, Chemical Biology, Chemistry +8

The stereoselective synthesis of .alpha.-amino acids by phase-transfer catalysis

Martin O’Donnell, William D. Bennett, Shengde Wu · Journal of the American Chemical Society · 1989 · 546 citations

Natural Sciences, Biochemistry, Chemistry +11

Molecular Design of a <i>C</i>₂-Symmetric Chiral Phase-Transfer Catalyst for Practical Asymmetric Synthesis of <i>α</i>-Amino Acids

Takashi Ooi, Minoru Kameda, Keiji Maruoka · Journal of the American Chemical Society · 1999 · 389 citations

Natural Sciences, Chemical Engineering, Chemistry +16

A new class of asymmetric phase-transfer catalysts derived from Cinchona alkaloids — Application in the enantioselective synthesis of α-amino acids

Barry Lygo, Philip Wainwright · Tetrahedron Letters · 1997 · 387 citations

Natural Sciences, Chemistry, Medicinal Chemistry +15

Design of<i>N</i>-Spiro<i>C</i>₂-Symmetric Chiral Quaternary Ammonium Bromides as Novel Chiral Phase-Transfer Catalysts:  Synthesis and Application to Practical Asymmetric Synthesis of α-Amino Acids

Takashi Ooi, Minoru Kameda, Keiji Maruoka · Journal of the American Chemical Society · 2003 · 343 citations

Natural Sciences, Chemical Engineering, Chemistry +14