3-hydrazino-6-chloroindazole 、
氯甲酸异丙酯 以
吡啶 为溶剂,
反应 3.0h,
以give 3-isopropoxycarbonylhydrazino-6-chloroindazole (melting point 184° - 185° C after recrystallisation from isopropanol: yield, 68% of theory)的产率得到3-Isopropoxycarbonylhydrazino-6-chlorindazol