Benzyl {(1S)-4-{[(benzyloxy)carbonyl]amino}-1-[({3-[(tert-butoxycarbonyl)amino]-2-hydroxypropyl}amino)carbonyl]butyl}carbamate 在
盐酸 、 benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
1,4-二氧六环 、
N,N-二甲基甲酰胺 为溶剂,
反应 14.0h,
生成 benzyl [(1S)-4-{[(benzyloxy)carbonyl]amino}-1-({[3-({[(8S,11S,14S)-14-[(tert-butoxycarbonyl)amino]-11-{3-[(tert-butoxycarbonyl)amino]propyl}-17-hydroxy-10,13-dioxo-9,12-diazatricyclo[14.3.1.12,6]henicosa-1(20),2(21),3,5,16,18-hexaen-8-yl]acetyl}amino)-2-hydroxypropyl]amino}carbonyl)butyl]carbamate