Production of 5-methyl-n-aryl-2-pyrrolidone and...

Details Production of 5-methyl-n-aryl-2-pyrrolidone and... Production of 5-methyl-n-aryl-2-pyrrolidone and...

2005-03-08

2005-03-08

Stockton, Laura L. (Department: 1626)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031490, C252S068000, C510S131000, C510S174000, C510S182000, C510S276000

Reexamination Certificate

active

06863722

ABSTRACT:
This invention relates to a process for producing 5-methyl-N-aryl-2-pyrrolidone, 5-methyl-N-cycloalkyl-2-pyrrolidone, and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid with nitro compounds utilizing a metal catalyst, which is optionally supported.

REFERENCES:
patent: 3235562 (1966-02-01), Shilling et al.
patent: 3337585 (1967-08-01), Swakon et al.
Emmert, Ber. d. deutschen chemischen Gesellschaft, 1907, 40: 912-917.
V. Candeloro and J. H. Bowie, Aust. J. Chem., 1978, 31:2031-2037.

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