(2S,4R)-4-[(5-chloro-thiophene-2-carbonyl)-amino]-pyrrolidine-2-carboxylic acid methyl ester hydrochloride 、 2-Bromo-[2-fluoro-4-(2-oxopyridin-1-yl)-phenyl]-acetamide 以
N,N-二甲基甲酰胺 为溶剂,
以to give (2S,4R)-4-[(5-chloro-thiophene-2-carbonyl)-amino]-1-{[2-fluoro-4-(2-oxo-pyridin-1-yl)-phenylcarbamoyl]-methyl}-pyrrolidine-2-carboxylic acid methyl ester的产率得到(2S,4R)-4-[(5-chloro-thiophene-2-carbonyl)-amino]-1-{[2-fluoro-4-(2-oxo-pyridin-1-yl)-phenylcarbamoyl]-methyl}-pyrrolidine-2-carboxylic acid methyl ester