1-methyl-3,5-bis-(2-methyl-benzylidene)-piperidin-4-one 、
噻莫西酸 、
苊醌 以
甲醇 为溶剂,
反应 3.0h,
以93%的产率得到spiro[5.2'']acenaphthene-1''-onespiro[6.3']-5'-(2-methylphenylmethylidene)-1'-methylpiperidin-4'-one-7-(2-methylphenyl)tetrahydro-1H-pyrrolo[1,2-c][1,3]thiazole