1-ethoxycarbonyl-methylene-6,7-diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride 以
乙醇乙醚 为溶剂,
以the aimed compound is obtained with a melting point of 130° to 131° C. (ethanol/ether)的产率得到chloromethyl-7,8-diethoxy-1,4,5,9b-tetrahydro-2H-azeto[2,1-a]isoquinoline hydrochloride