Carbamimidoyl-acetic acid 1-thiophen-2-ylmethyl-piperidin-3-yl ester; compound with acetic acid 、
2-[1-(3-Nitro-phenyl)-meth-(E)-ylidene]-3-oxo-butyric acid 2-(benzyl-methyl-amino)-ethyl ester 在
sodium methylate 作用下,
以
异丙醇 为溶剂,
以70%的产率得到2-Amino-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-[2-(benzyl-methyl-amino)-ethyl] ester 3-(1-thiophen-2-ylmethyl-piperidin-3-yl) ester