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该文报道了由4－氯代邻苯二甲酸酐和碱金属盐在催化剂存在下反应制备4,4''－二苯醚四甲酸二酐的方法,并叙述了合成条件对产物收率的影响.“,”A method for the preparation of 4,4'' - oxydiphthalic anhydride by the reaction of 4 - chlorophthalic an- hydride with an alkali metal Salt in the presence of catalyst was reported.The effects of the synthetic conditions on the yield of product were described.