Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... An optically pure α-amino amine was first synthesized from L-lysine utilizing anodic oxidation as a key step, and its usefulness was exemplified by the asymmetric Mannich reaction to give optically active β-amino acid esters. ... An optically pure α-amino amine 2 was used as a ...