2-[1-(3-Nitro-phenyl)-meth-(E)-ylidene]-3-oxo-butyric acid cyclohexyl ester 、 3-(1-benzylpiperidin-3-yl)amidinoacetate acetic acid salt 在
sodium methylate 作用下,
以
异丙醇 为溶剂,
生成 2-Amino-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-(1-benzyl-piperidin-3-yl) ester 5-cyclohexyl ester