(3E,5E)-3,5-bis(2,4-dichlorobenzylidene)-1-methylpiperidin-4-one 、
靛红 、
噻莫西酸 以
甲醇 为溶剂,
反应 1.0h,
以98%的产率得到spiro[5.3'']oxindolespiro-[6.3']-1'-methyl-5'-(2,4-dichlorophenylmethylidene)tetrahydro-4'(1H)-pyridinone-7-(2,4-dichlorophenyl)tetrahydro-1H-pyrrolo[1,2-c][1,3]thiazole