bishydrazide of 4',4'-biscarboxy-1-phenylcyclopenteno[1,2-d]-1,2,3-triazole 在
lead(IV) acetate 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 24.08h,
生成 6',7'-Dimethyl-3-phenylspiro[4,6-dihydrocyclopenta[d]triazole-5,2'-5,8-dihydropyrazolo[1,2-a]pyridazine]-1',3'-dione