Preparation of tetrahydrofuran and .gamma.-butyrolactone

Details Preparation of tetrahydrofuran and .gamma.-butyrolactone Preparation of tetrahydrofuran and .gamma.-butyrolactone

C - Chemistry, Metallurgy

07

D

260/373.5

C07D 307/08 (2006.01) C07D 307/33 (2006.01) C07D 315/00 (2006.01)

Patent

CA 2036626

A process for the preparation of tetrahydrofuran or tetrahydrofuran and .gamma.-butyrolactone from the product of the hydrogenation of malefic acid, succinic acid, malefic anhydride, succinic anhydride and/or fumaric acid, by treating the crude hydrogenation product, without prior work-up, at from 100 to 300°C with a protic acid, and isolating pure tetrahydrofuran and .gamma.-butyrolactone from the resultant reaction mixture by distillation.

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