丙酸酐

以季铵盐为催化剂，以丙酸酐与丁醇为原料，制备丙酸丁酯。

Butyl propionate from propionic anhydride and n - butanol using quaternary ammonium salt as a catalyst was synthesized .

然而，在连续流加丙酸酐的半批式反应系统中，所有这些缺点均可有效地克服。

All these drawbacks , however , could be effectively overcome in a semi batch reaction system into which propionic anhydride was continuously fed .

以环己烷为溶剂，浓硫酸和丙酸酐为磺化剂，采用非均相磺化方法，在少量分散剂作用下，制备了不同磺化度的磺化聚苯乙烯（SsPSH）；

A sulfonated polystyrene ( SsPSH ) was prepared in cyclohexane with propionic anhydride and sulfuric acid by a novel solid-liquid heterogeneous phase sulphonation process .

以碘为催化剂，对环己醇与丙酸酐之间的酰化反应进行了研究，考察了反应时间、酐醇摩尔比、催化剂质量对丙酸环己酯收率的影响。

The acylation of cyclohexanol with propionic anhydride was studied by using iodine catalyst . The effects of different factors such as reaction time , the mole ratio of cyclohexanol to propionic anhydride , the mass of catalyst on the yield of cyclohexyl propionate were investigated .