(S)-3-Benzyloxy-2-tert-butoxycarbonylamino-propionic acid 2-(2-{2-[2-((S)-3-benzyloxy-2-tert-butoxycarbonylamino-propionyloxy)-ethoxy]-ethoxy}-ethoxy)-ethyl ester 在
palladium on activated charcoal
4-二甲氨基吡啶 、
氢气 作用下,
生成 tert-butyl N-[(5S,21S)-21-[(2-methylpropan-2-yl)oxycarbonylamino]-2,6,20,24-tetraoxo-3,7,10,13,16,19,23-heptaoxatetracyclo[23.5.1.11,27.125,29]tritriacontan-5-yl]carbamate