A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied. The yield and purity were above 90% and 96%, respectively.

• 介绍了一种以喷雾干燥脱水,以超强酸催化酯化合成丙二酸二异丙酯的方法。产品收率>90%25,纯度>96%25。