Abstract
The esterification of carboxylic acids with alcohols catalyzed by para-toluene sulfonic acid (pTSA) was studied in different room temperature ionic liquids. The chemical equilibrium of esterification can be tuned by using ionic liquids as solvents.
Acknowledgment
This work was financially supported with National Key Basic Research Project of China (G2000048010), National Natural Science Foundation of China (20133030, 20332030).