• Hollunger, G. et al.: Acta Pharmacol. Toxicol., 34, 391 (1974)
• Bagchi, S.P. et al.: Biochem. Pharmacol., 26, 900 (1974)
• Other amino acids have been resolved by crystallization of their complexes with L-phenylalanine, and decomplexation with activated carbon: Chem. Lett., 113 (1984).
• Formation of the N,N-dibenzyl benzyl ester by reaction with benzyl bromide and base, followed by LAH reduction and Swern oxidation, lead to the N,N-dibenzyl (S)-ɑ-amino aldehyde, a useful chiral intermediate: Org. Synth., 76, 110 (1998).