Synthesis of N-2,2,2-(Trichloroethoxycarbonyl)-L-amino Acids and N-(9-Fluorenylmethoxycarbonyl)-L-amino Acids Involving Succinimidoxy Anion as a Leaving Group in Amino Acid Protection - Lapatsanis, Lucas; Milias, George; Froussios, Kleanthis; Kolovos, Miltiadis (Synthesis, 1983)