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以丙酮醛为原料采用微波法环化合成呋喃酮。结果表明，微波法环化不仅使环化反应时间由普通方法的３６ｈ缩短为９０ｍｉｎ，而且反应产物易分离，总收率为２５．６％
Using pyruvaldehyde as raw material, the furanone was synthesized by microwave method. The results showed that microwave cyclization not only shorten the cyclization reaction time from 36h to 90min, but also the reaction product was easily separated. The total yield was 25.6%