The conversion of ethyl acetoacetate of 98.7 % with the selectivity of fructone above 97 % could be obtained over 30 % Cs_ 2.5H _ 0.5 PW / DUSY under the optimal reaction conditions .
在优化的反应条件下30%（质量分数）Cs2.5H0.5PW/DUSY催化剂上乙酰乙酸乙酯的转化率可达98.7%，苹果酯的选择性大于97%。
dusy