以乙烯基乙醚和三氯乙酰氯为起始原料,经取代、加成、醚交换和消除等反应获得3-烷氧基丙烯酸酯。优化工艺条件下,3,3-二甲氧基丙酸甲酯总收率为73.0%,含量98.3%;3-甲氧基丙烯酸甲酯的总收率达到64.1%,含量99.3%。该方法原料价廉易得,操作简单,具有较好的工业化应用前景。 Starting from vinylethyl ether and trichloroacetyl chloride, 3-alkoxyacrylates are obtained by reaction of substitution, addition, ether exchange and elimination. Under the optimized conditions, the yield of methyl 3,3-dimethoxypropionate was 73.0% and the content was 98.3%. The total yield of methyl 3-methoxyacrylate reached 64.1% and the content was 99.3%. The method has the advantages of cheap raw materials, simple operation and good industrial application prospect.