potassium carbonate 、
戊酰氯 、
ethyl cyano-[[[2'-[[[(dimethylamino)methylene]amino]sulfonyl](1,1'-biphenyl)4-yl]methyl]amino]acetate 以
丙酮 为溶剂,
反应 20.0h,
以to obtain 11.6 g of the expected product as a white solid with a的产率得到ethyl cyano-[[[2'-[[[(dimethylamino)methylene]amino]sulfonyl](1,1'-biphenyl)4-yl]methyl](1-oxopentyl)amino]acetate