3-cyclopropyl-1-{3-[(4-cyclopropyl-4,5-dihydro-5-oxo-1H-tetrazol-1-yl)methyl]-2,4-dichlorophenyl}-2-ethoxymethylenepropane-1,3-dione 在
盐酸羟胺 、
sodium acetate 作用下,
以
乙醇 为溶剂,
以84%的产率得到5-cyclopropyl-4-{3[(4cyclopropyl-4,5-dihydro-5-oxo-1H-tetrazol-1-yl)methyl]-2,4-dichlorobenzoyl}isoxazole