4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-thiobenzoic acid o-methyl ester 在
盐酸羟胺 、
三乙胺 作用下,
以
乙醇 为溶剂,
生成 (E)-4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-N-hydroxy-2-methyl-benzimidic acid methyl ester 、 (Z)-4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-N-hydroxy-2-methyl-benzimidic acid methyl ester