苯甲醛 、
ethyl 3-amino-3-ethoxypropenoate 以
alcohol 、
异丙醇 为溶剂,
反应 12.0h,
以2-amino-4-phenyl-6-ethoxy-4,5-dihydropyridine-3,5-dicarboxylic acid diethyl ester of melting point 119° C (isopropanol) is obtained的产率得到6-amino-2-ethoxy-4-phenyl-3,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester