Purification of pyrrolidone

Details Purification of pyrrolidone Purification of pyrrolidone

1977-07-25

1981-06-30

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20116

Patent

active

042762154

ABSTRACT:
2-Pyrrolidone is purified by contact with particulate calcium oxide for a sufficient time at elevated temperatures followed by distilling and condensing the purified 2-pyrrolidone.

REFERENCES:
patent: 2667483 (1954-01-01), Zeegers
patent: 2828307 (1958-03-01), Soeterbrock et al.
patent: 3701814 (1972-10-01), Shilling
patent: 3969344 (1976-07-01), Ackermann et al.
Merck Index, 8th Ed., p. 194, Merck & Co., Rahway, N.J., 1968.

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