4-[(2-hydroxyphenyl)-(3-methyl-1-phenyl-5-sulfanylidene-4H-pyrazol-4-yl)methyl]-5-methyl-2-phenyl-4H-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11-(2-hydroxyphenyl)-1,10-dimethyl-3,8-diphenyl-7-sulfanylidene-2,3,8,9-tetrazadispiro[4.0.46.15]undeca-1,9-dien-4-one