5-Methyl-4-[(3-methyl-1-phenyl-5-thioxo-4,5-dihydro-1H-pyrazol-4-yl)-(2-nitro-phenyl)-methyl]-2-phenyl-2,4-dihydro-pyrazol-3-one 在
碘 、 potassium iodide 作用下,
以
sodium hydroxide 为溶剂,
反应 2.0h,
以45%的产率得到1,10-dimethyl-11-(2-nitrophenyl)-3,8-diphenyl-7-sulfanylidene-2,3,8,9-tetrazadispiro[4.0.46.15]undeca-1,9-dien-4-one