7,7-Dimethyl-4-(4-nitrophenyl)-5-oxo-2-thioxo-1,2,3,4,5,6,7,8-octahydroquinoline-3-carbonitrile 在
氢氧化钾 、
碘 作用下,
以
乙醇 为溶剂,
以81%的产率得到2-[[3-cyano-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-1,4,6,8-tetrahydroquinolin-2-yl]disulfanyl]-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-1,4,6,8-tetrahydroquinoline-3-carbonitrile