Method for producing 1,4-butanediol

Details Method for producing 1,4-butanediol Method for producing 1,4-butanediol

1991-04-11

1991-12-31

Evans, J. E.

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

Organic compounds

Oxygen containing

C07C 29149, C07C 3120

Patent

active

050774425

ABSTRACT:
A method for producing 1,4-butanediol by hydrogenating succinic anhydride, succinic acid or .gamma.-butyrolactone in the presence of a catalyst, wherein the hydrogenation reaction is conducted in a liquid phase using as the catalyst a ruthenium type catalyst comprising ruthenium, an organic phosphine and a phosphorus compound of the following formula (1): ##STR1## wherein each of X and Y is an atom or a group selected from the group consisting of a hydrogen atom, a hydroxyl group, a halogen atom, an alkoxy group, an alkyl group and an aryl group.

REFERENCES:
patent: 4482764 (1984-11-01), Herrmann et al.

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