Jm. Ramanjulu et Mm. Joullie, N-ALKYLATION OF AMINO-ACID ESTERS USING SODIUM TRIACETOXYBOROHYDRIDE, Synthetic communications, 26(7), 1996, pp. 1379-1384
N-Alkylation of amino acid esters by reductive amination using sodium
cyanoborohydride may often be problematic. Sodium triacetoxyborohydrid
e was found to be a convenient reagent for this transformation. This m
ethodology was employed to alkylate various amino acid methyl esters.