1-(5-(4-acetoxytetrahydrofuran-3-yloxycarbonylmethoxy)-4-chloro-2-fluorophenylaminothiocarbonyl)-2-(ethoxycarbonyl)hexahydropyridazine 在
三乙胺 作用下,
以
甲苯 为溶剂,
生成
4-(5-(4-Acetoxytetrahydrofuran-3-yloxycarbonylmethoxy)-4-chloro-2-fluorophenyl)-1,2-tetramethylene-3-thiourazole