3-[4-methylsulfonylmethyl-2-[3-(t-butoxycarbonylamino)-propoxy]benzoylamino]-6-methyl-N-(5-chloropyridin-2-yl)-pyridine-2-carboxamide 在
哌啶 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 0.5h,
生成
3-{4-[(1-tert-butoxycarbonylamino-cyclopentanecarbonyl)-amino]-phenyl}-acrylic acid ethyl ester