N-Boc-L-缬氨酸 、
methyl (2S,4R)-4-[2-(1,3-benzodioxol-5-yl)-7-methoxyquinolin-4-yl]oxypyrrolidine-2-carboxylate 在
N-甲基吗啉 、
1-羟基苯并三唑 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
以75%的产率得到methyl (2S,4R)-4-[2-(1,3-benzodioxol-5-yl)-7-methoxyquinolin-4-yl]oxy-1-[(2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]pyrrolidine-2-carboxylate