Investigation on the Synthesis of α-Terpinene and Maleic Anhydride Adduct Catalyzed by Heteropolyacid

Yuan Mei Nie; Kun Gang Chai; Zhan Wan Shi; Xing Dong Yao

doi:10.4028/www.scientific.net/AMR.361-363.1063

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Investigation on the Synthesis of α-Terpinene and Maleic Anhydride Adduct Catalyzed by Heteropolyacid

Abstract:

α-pinene was isomerized in the presence of phosphomolybdic acid. One of the products, α-terpinene, can react with maleic anhydride to form α-terpinene and maleic anhydride adduct (TMA). The optimum conditions for the synthesis of TMA have been investigated. The yield of 83% can be attained with the heterogeneous catalyst phosphomolybdic acid on active carbon (PMA/C), and can maintain ~67% after the catalyst was used for 5 times.