Preparation of 1,4-butanediol or tetrahydrofuran or both

Details Preparation of 1,4-butanediol or tetrahydrofuran or both Preparation of 1,4-butanediol or tetrahydrofuran or both

1988-08-08

1990-07-10

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549508, 568864, C07D30708, C07D30732, C07C 2704

Patent

active

049408054

ABSTRACT:
Process for the preparation of 1,4-butanediol or tetrahydrofuran or both by the catalytic hydrogenation of maleic anhydride, succinic anhydride, maleic acid, succinic acid, fumaric acid, or the alkyl esters of these acids at temperatures of from 100.degree. C. to 350.degree. C. and pressures of from 50 bar to 350 bar over a catalyst containing cobalt as the active metal and one or both of the elements copper and phosphorus, if necessary in the presence of an aliphatic alcohol.

REFERENCES:
patent: 4652685 (1987-03-01), Cawse et al.
patent: 4751334 (1988-06-01), Turner et al.
patent: 4810807 (1989-03-01), Budge et al.

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