Process for the production of N-acetyl-2-pyrrolidone

Details Process for the production of N-acetyl-2-pyrrolidone Process for the production of N-acetyl-2-pyrrolidone

1976-12-13

1978-09-12

Tovar, Jose

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20700

Patent

active

041137353

ABSTRACT:
A process for producing N-acyl-2-pyrrolidone which comprises contacting N-acyl allylamine with carbon monoxide in the presence of an aliphatic carboxylic acid solvent and a homogeneous catalyst of palladium or platinum coordinated with triphenylphosphine. According to a preferred embodiment, the acyl group is removed from the N-acyl-2-pyrrolidone by contacting and heating the N-acyl-2-pyrrolidone with allylamine to thereby effect transacylation and obtain product 2-pyrrolidone and N-acyl-allylamine as a recycle feed stream. Alternatively, N-acyl-2-pyrrolidone can be hydrolyzed to 2-pyrrolidone and the carboxylic acid derived from the acyl group.

REFERENCES:
patent: 3714185 (1973-01-01), McCoy et al.

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