4-methyl-6-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridazine-3-carboxylic acid 、
硫代吗啉-1,1-二氧化物 以to the title compound (SiO2, heptane:ethyl acetate=100:0 to 60:40, 195 mg, 72%) which was obtained as a colourless crystalline solid的产率得到(1,1-Dioxo-1λ6-thiomorpholin-4-yl)-[4-methyl-6-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridazin-3-yl]-methanone