DTAB 、
3-[(2S)-4-[(2S)-6-amino-1-oxo-1-piperazin-1-ylhexan-2-yl]-1-methyl-3,6-dioxopiperazin-2-yl]propanoic acid 在
potassium carbonate 作用下,
以
二甲基亚砜 为溶剂,
反应 2.0h,
生成 3-[(2S)-4-[(2S)-1-[4-[4-[4-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]butylamino]-6-chloro-1,3,5-triazin-2-yl]piperazin-1-yl]-6-amino-1-oxohexan-2-yl]-1-methyl-3,6-dioxopiperazin-2-yl]propanoic acid