ethyl 2-(4-chloro-2-fluoro-5-(-methylethoxy)phenylaminothioxometyl)-3,4,5,6-tetrahydro1(2H)pyridazinecarboxylate 在
乙醇 、
乙醚 、
水 、
magnesium sulfate 作用下,
以
氢氧化钾 为溶剂,
反应 3.0h,
以to give 0.3 g of 2-(4-chloro-2-fluoro-5-(1-methylethoxy)phenylaminothioxomethyl)- 3,4,5,6-tetrahydro-(1H,2H)-pyridazine的产率得到2-(4-chloro-2-fluoro-5-(1-methylethoxy)phenylaminothioxomethyl)-3,4,5,6-tetrahydro-(1H,2H)-pyridazine