The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.

用钨杂多酸为催化剂,以从二羧酸分离出的戊二酸酐和异戊醇为成了戊二酸二异戊酯。