The title compound was prepared from monomethyl sulfate and sodium acetyl ethenoxide, which was obtained from the reaction of acetone, sodium methoxide and methyl formate.The overall yield was 71.8%?

• 丙酮、甲醇钠与甲酸甲酯反应得乙酰基乙烯醇钠；再与硫酸氢甲酯反应得到目标产物；收率可达71.；8%25。