3-Ethoxycarbonyl-5-(4-methoxy-phenylcarbamoyl)-1,2,6-trimethyl-4-phenyl-pyridinium; perchlorate 在
sodium tetrahydroborate 作用下,
以
乙腈 为溶剂,
以10.6%的产率得到5-(4-Methoxy-phenylcarbamoyl)-1,2,6-trimethyl-4-phenyl-1,2-dihydro-pyridine-3-carboxylic acid ethyl ester