PRODUCTION OF 5-METHYL-N-(METHYL ARYL)-2-PYRROLIDONE,...

Details PRODUCTION OF 5-METHYL-N-(METHYL ARYL)-2-PYRROLIDONE,... PRODUCTION OF 5-METHYL-N-(METHYL ARYL)-2-PYRROLIDONE,...

2005-07-12

2005-07-12

Saeed, Kamal A. (Department: 1626)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C548S552000

Reexamination Certificate

active

06916842

ABSTRACT:
This invention relates to a process for producing 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid esters with aryl or alkyl cyano 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.

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