Boc-Ala-Aib-Aib-OBzl 在
盐酸 、
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
1,4-二氧六环 为溶剂,
生成 benzyl 2-[[2-[[(2S)-2-[[2-[[2-[[(2S)-2-[[2-[[2-[[(2S)-2-[5-(dithiolan-3-yl)pentanoylamino]propanoyl]amino]-2-methylpropanoyl]amino]-2-methylpropanoyl]amino]propanoyl]amino]-2-methylpropanoyl]amino]-2-methylpropanoyl]amino]propanoyl]amino]-2-methylpropanoyl]amino]-2-methylpropanoate