2-Pyrrolidone production
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United States of America Patent
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-
Jan 1, 1980
Grant Date -
N/A
app pub date -
Mar 29, 1978
filing date -
Mar 29, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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