chloromethyl (2,4-dimethylpentyl-3-yl) carbonate 、 3-((4S)-7,8,9,10-tetrachloro-1-methyl-6-(pyridin-2-yl)-4H-benzo[f]imidazo[1,2-a][1,4]diazepine-4-yl)propionic acid 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 5.0h,
以400 mg的产率得到2,4-dimethylpentan-3-yloxycarbonyloxymethyl 3-[(4S)-7,8,9,10-tetrachloro-1-methyl-6-pyridin-2-yl-4H-imidazo[1,2-a][1,4]benzodiazepin-4-yl]propanoate