Isoamyl butyrate was prepared by using copper benzenesulfonate as catalyst and cyclohexane as azeotropic water-carrying agent in the esterification of isoamyl alcohol with butyric acid.

• 以苯磺酸铜作催化剂,环己烷作共沸带水剂,由正丁酸和异戊醇制备丁酸异戊酯。