2,3-dimethyl-3,4-dihydro-2H-1,4-benzoxazine 、 1-(2,4-dichlorophenyl)-5-(trichloromethyl)-1H-1,2,4-triazole-3-carbonyl chloride 在
sodium hydroxide 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
反应 2.0h,
以79%的产率得到(1-(2,4-dichlorophenyl)-5-(trichloromethyl)-1H-1,2,4-triazol-3-yl)(2,3-dimethyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)methanone