Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran

Details Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran

1990-08-30

1991-12-10

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30708

Patent

active

050720090

ABSTRACT:
Tetrahydrofuran and optionally gamma-butyrolactone are prepared from at least one of maleic anhydride or succinic anhydride in the absence of alcohols 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.

REFERENCES:
patent: 4965378 (1990-10-01), Budge et al.

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