2005•Unpublished venueRequires access

Synthesis of Diethyl Maleate Catalyzed by Ammonium Ferric Sulfate Dodecahydrate

Zeng Xianbiao

Abstract

Diethyl maleate was synthesized from maleic anhydride and ethyl alcohol in the presence of ammonium ferric sulfate dodecahydrate. The influence factors of reaction and reusability of the catalyst were investigated. The yield of the ester could reach 91.9%under amount of substance ratio of maleic anhydride, ethyl alcohol and ammonium ferric sulfate dodecahydrate was 1∶4∶0.08,cyclohexane as water carrier, at 70~85℃, refluxed and water segregate for 90 min.

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Key concepts: Maleic anhydride, Chemistry, Alcohol, Ferric, Catalysis, Cyclohexane, Sulfate, Nuclear chemistry