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

C - Chemistry, Metallurgy

07

C

260/635.1, 260/3

C07C 29/136 (2006.01) C07C 29/17 (2006.01) C07C 31/20 (2006.01) C07D 307/08 (2006.01)

Patent

CA 1301180

17 OZ 0050/39372 Abstract of the Disclosure Process for the preparation of 1,4-butanediol or tetrahy- drofuran 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 °C to 350 °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 cop- per and phosphorus, if necessary in the presence of an aliphatic alcohol.

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