(E)-(2R)-2-ethylpent-3-enoic acid 、 [(1R)-1-(3-ethenylisoquinolin-6-yl)ethyl] (3S)-1-[(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]propanoyl]diazinane-3-carboxylate 在
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
乙腈 为溶剂,
反应 3.0h,
以250 mg的产率得到[(1R)-1-(3-ethenylisoquinolin-6-yl)ethyl] (3S)-1-[(2S)-2-[[(2S)-2-[[(E,2R)-2-ethylpent-3-enoyl]amino]-3-methylbutanoyl]amino]propanoyl]diazinane-3-carboxylate