7-Hydrazino-3,4,5,6-tetrahydro-2H-azepine 、
ethyl 2,3-dioxopyrrolo[2,1-a]isoquinoline-1-carboxylate 以
苯 为溶剂,
以65%的产率得到ethyl 2-(3,3-dimethyl-3,4-dihydroisoquinolin-1(2H)-ylidene)-3-oxo-3-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)propanoate