N,1-dihydroxy-3,3-dimethyl-1,3-dihydrobenzo[c][1,2]oxaborole-5-carbimidoyl chloride 、
1,3-dichloro-2-(trifluoromethyl)-5-(3,3,3-trifluoroprop-1-en-2-yl)benzene 、 、 在
乙酸乙酯 、 Brine 、
Sodium sulfate-III 、
5-(5-(3,5-dichloro-4-(trifluoromethyl)phenyl)-5-(trifluoromethyl)-4,5-dihydro isoxazol-3-yl)-3,3-dimethyl-benzo[c][1,2]oxaborol-1(3H)-ol 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 12.0h,
以to give the title compound 5-(5-(3,5-dichloro-4-(trifluoromethyl)phenyl)-5-(trifluoromethyl)-4,5-dihydro-isoxazol-3-yl)-3,3-dimethyl-benzo[c][1,2]oxaborol-1(3H)-ol (50 mg; yield 25% over 3 steps) as a white solid的产率得到5-(5-(3,5-dichloro-4-(trifluoromethyl)phenyl)-5-(trifluoromethyl)-4,5-dihydro isoxazol-3-yl)-3,3-dimethyl-benzo[c][1,2]oxaborol-1(3H)-ol