3-(Z)-(1-{4-[2-(4-carboxy-piperidin-1-yl)-ethyl]-anilino}-1-phenyl-methylidene)-5,6-dimethoxy-2-indolinone 、
盐酸二甲胺 在
1-羟基苯并三唑 、 O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
三乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 2.0h,
以95%的产率得到3-(Z)-(1-{4-[2-(4-dimethylcarbamoyl-piperidin-1-yl)-ethyl]-anilino}-1-phenyl-methylidene)-5,6-dimethoxy-2-indolinone