4-[3-(2,3-dimethyl-1-phenyl-pyrazolone-5-yl-4)thioureido]-1-thia-4-azaspiro[4.5]undecan-3-one 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
以60%的产率得到1-(2,3-dimethyl-1-phenyl-pyrazolone-5-yl-4)-2-mercapto-1',5-cycloheptane-spiro[1,3]thiazolo-[3,4-b]-1,2,4-triazole