2,4-dichloro-6-(5,6-dihydro-[1,4,2]dioxazin-3-yl)phenylamine 、
6-chloro-2-(3-trifluoromethyl-5-chlorocarbonyl-pyrazol-1-yl)-pyridine 在
吡啶 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以60%的产率得到1-(6-chloro-pyiridin-2-yl)-N-(2,4-dichloro-6-(5,6-dihydro-[1,4,2]dioxazin-3-yl)-phenyl)-5-trifluoromethyl-1H-pyrazole-5-carboxamide