4-[3-(3,5-dichloro-phenyl)-4,4,4-trifluoro-but-2-enoyl]-N-((R)-2-ethyl-3-oxo-isoxazolidin-4-yl)-2-methyl-benzamide 、
N-(2,3,4,5,6-pentafluorophenylmethyl)quininium bromide 在
anthracenyl-methyl dihydroquininium bromide
羟胺 、 sodium hydroxide 作用下,
以
1,1-二氯乙烷 为溶剂,
反应 4.0h,
生成 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-N-(2-ethyl-3-oxo-isoxazolidin-4-yl)-benzamide