2-(2-methylaminopyrimidin-4-yl)-1H-indole-5-carboxylic acid 、
(S)-2-amino-3-(phenyl-pyrimidin-2-yl-amino)propionic acid methyl ester 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.5h,
以50%的产率得到(S)-2-{[2-(2-methylaminopyrimidin-4-yl)-1H-indole-5-carbonyl]amino}-3-(phenyl-pyrimidin-2-yl-amino)propionic acid methyl ester