Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-08-17
1994-06-07
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549326, 549508, 549509, C07D30708, C07D30733
Patent
active
053191110
ABSTRACT:
A process for the preparation of tetrahydrofuran or tetrahydrofuran and .gamma.-butyrolactone from the product of the hydrogenation of maleic acid, succinic acid, maleic anhydride, succinic anhydride and/or fumaric acid, by treating the crude hydrogenation product, without prior work-up, at from 100.degree. to 300.degree. C. with a protic acid, and isolating pure tetrahydrofuran and .gamma.-butyrolactone from the resultant reaction mixture by distillation.
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Brenner Karl
Hartmann Horst
Sauer Wolfgang
Scheiper Hans-Juergen
Zimmermann Horst
BASF - Aktiengesellschaft
Ivy C. Warren
Shurtleff John H.
Trinh Ba K.
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