2-Pyrrolidone production

Details 2-Pyrrolidone production 2-Pyrrolidone production

1978-03-29

1980-01-01

Tovar, Jose

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20726

Patent

active

041816625

ABSTRACT:
A process for production of 2-pyrrolidone which comprises (a) contacting succinonitrile with water at a temperature between 150.degree. and 300.degree. C. and a pressure between 50 and 10,000 psig to thereby hydrolyze succinonitrile and (b) contacting the hydrolyzed succinonitrile with hydrogen in the presence of a heterogeneous hydrogenation catalyst and at a temperature between 200.degree. and 300.degree. C. and a pressure between 100 and 10,000 psig to thereby obtain 2-pyrrolidone.

REFERENCES:
patent: 3644402 (1972-02-01), Takagi et al.
patent: 4036836 (1977-07-01), Greene
patent: 4042599 (1977-08-01), Greene

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