The influences of the various conditions on the yield are studied.When the concentration of KOH is 5%(weight) and reaction time is 8 h,the highest yield of product is 40.34%.

• 讨论了不同反应条件对产物收率的影响；在KOH的质量分数为5%25、反应时间为8.；0h时；产物的收率最高；为40