Sulfenylation of β-keto sulfoxides. III. Diastereoselectivity induced by a chiral phase transfer catalyst

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 · 664 citations

Asymmetric Catalysis, Chemical Engineering, Engineering +13

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 · 385 citations

Engineering, Organic Chemistry, New Class +9

Highly enantioselective synthesis of cyclic and functionalized α-amino acids by means of a chiral phase transfer catalyst

E. J. Corey, Mark C. Noe, Feng Xu · Tetrahedron Letters · 1998 · 253 citations

Engineering, Organic Chemistry, Catalysis +6

Enantioselective synthesis of β-hydroxy-α-amino acid esters by aldol coupling using a chiral quaternary ammonium salt as catalyst

Manabu Horikawa, Jakob Busch‐Petersen, E. J. Corey · Tetrahedron Letters · 1999 · 200 citations

Engineering, β-Hydroxy-α-amino Acid Esters, Organic Chemistry +6

Efficient catalytic asymmetric alkylations. 3. A kinetic and mechanistic study of the enantioselective phase-transfer methylation of 6,7-dichloro-5-methoxy-2-phenyl-1-indanone

Dave Hughes, Ulf‐H. Dolling, K. M. RYAN et al. · The Journal of Organic Chemistry · 1987 · 187 citations

Chemical Engineering, Cross-coupling Reaction, Engineering +12