Tetrahedron p. 6347 - 6362 (1999)
Update date:2022-08-04
Topics:
O'Donnell, Martin J.
Delgado, Francisca
Pottorf, Richard S.
Wang-resin bound derivatives of glycine Schiff base esters are alkylated in the presence of quaternary ammonium salts derived from cinchonidine or cinchonine using phosphazene bases to give either enantiomer of the product α-amino acid derivatives in 51-89% ee.
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