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US4965378A Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone 失效
马来酸酐与四氢呋喃和γ-丁内酯的气相氢化

Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and
gamma-butyrolactone
摘要:
Tetrahydrofuran and optionally gamma-butyrolactone are prepared from at least one of maleic anhydride or succinic anhydride by catalytically hydrogenating vaporous maleic anhydride or vaporous succinic anhydride in the presence of hydrogen and a catalyst comprising the mixed oxides of copper, zinc and aluminum.
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