Manufacture of .gamma.-butyrolactone from maleic anhydride

Details Manufacture of .gamma.-butyrolactone from maleic anhydride Manufacture of .gamma.-butyrolactone from maleic anhydride

1977-09-19

1980-03-11

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30732

Patent

active

041928075

ABSTRACT:
.gamma.-Butyrolactone is manufactured by hydrogenating maleic anhydride in the presence of butyrolactone as the solvent. The hydrogenated reaction mixture, which contains butyrolactone, succinic anhydride and succinic acid, is fractionated in a thin film evaporator.

REFERENCES:
patent: 3113138 (1963-12-01), Borivoj
patent: 3580930 (1971-05-01), Miya
patent: 3890361 (1975-06-01), Kanetaka
patent: 3948805 (1976-04-01), Michalczyk et al.
patent: 3994928 (1976-11-01), Michalczyk et al.
patent: 4001282 (1977-01-01), Miller
patent: 4006165 (1977-02-01), Michalczyk et al.
patent: 4025534 (1977-05-01), Sandhack
Kirk-Othmer Encyclopedia of Chemical Technology, vol. 7, p. 204.

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