Synthesis of (S)- and (R)- tert Leucine Enabling Direct Coupling with α-Amino Acid Esters via β-Lactam-Derived α-Amino Acid N-Carboxy Anhydrides.
作者:Claudio Palomo*、Iñaki Ganboa、Beatriz Odriozola、Anthony Linden
DOI:10.1016/s0040-4039(97)00553-4
日期:1997.4
(3S, 4R)- and (3R, 4S)-3-hydroxy-4- tert-butyl β-lactams on exposure to 1M NaOCl and a catalytic amount of 2,2,6,6-tetramethylpiperidinyl-1-oxyl (TEMPO) afforded α-amino acid N-carboxy anhydrides formally derived from both (S)- and (R)- tert-leucine amino acids. © 1997 Published by Elsevier Science Ltd.
(3S,4R)-和(3R,4S)-3-羟基-4-叔丁基β-内酰胺暴露于1M NaOCl和催化量的2,2,6,6-四甲基哌啶基-1-氧基(TEMPO )得到形式上衍生自(S)-和(R)-叔亮氨酸氨基酸的α-氨基酸N-羧基酸酐。©1997由Elsevier Science Ltd发布。