、
(S)-succinimidyl-{2-[(tert-butoxycarbonyl)-amino]-3-phenylpropyl}carbamate 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 2.17h,
以2.2 g的产率得到tert-butyl ((6S,11S,16S,21S,26S,31S)-6,11,16,21,26-pentabenzyl-3,8,13,18,23,28-hexaoxo-32-phenyl-2,4,7,9,12,14,17,19,22,24,27,29-dodecaazadotriacontan-31-yl)carbamate