Catalytic activity of phosphotungstic acid on synthesizing butanone 1,2-propanediol ketal was discussed,the factors influencing the synthesis were discussed and the best conditions were found out.

• 探讨了磷钨酸对丁酮1,2丙二醇缩酮合成反应的催化活性,研究了酮醇摩尔比、催化剂用量、反应时间等因素对产品收率的影响。