Production of gamma-butyrolactone from maleic anhydride with a h

Details Production of gamma-butyrolactone from maleic anhydride with a h Production of gamma-butyrolactone from maleic anhydride with a h

1977-03-09

1978-08-08

Jaisle, Cecilia M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30732

Patent

active

041056744

ABSTRACT:
Hydrogenation catalyst and a process for producing gamma-butyrolactone by hydrogenating a feed compound -- selected from the group consisting of maleic acid, succinic acid, maleic anhydride, succinic anhydride, and mixtures of any of the foregoing -- in the vapor phase, in the presence of said catalyst, which is a highly selective elemental Cu-Pd or Cu-Pt catalyst, in order to produce high yields of gamma-butyrolactone and minimize the formation of by-products.

REFERENCES:
patent: 3312718 (1967-04-01), Woskow
patent: 3853922 (1974-12-01), Yamaguchi et al.
patent: 4001282 (1977-01-01), Miller

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