【摘要】 以对硝基氯苯为原料，经四步合成制得中间体２，６－二氯苯并口恶唑；以对苯二酚和２－氯丙酸为原料，经一步合成了另一中间体２－（４－羟基苯氧基）丙酸乙酯，两个中间体在二甲亚砜溶剂中，碳酸钠存在下缩合得到标题化合物，全程收率为４３％。更多还原

【Abstract】 Two intermediats,2,6 dichlorobenzoxazole and ethyl 2 (4 hydroxyphenoxy)propionate,were prepared from cheap material p nitrochlorobenzone in four steps and from p dihydroxybenzene and 2 chloropropionate in one step,respectively.Then the title compound,ethyl 2[4 (6 chloro 2 benzoxazoloxy)phenoxy]propionate,was synthesized from the intermediats in the presence of sodium carbonate in the solvent of methyl sulfoxide.Total yield is 43%.更多还原