Process for making 5-methyl-N-alkyl-2-pyrrolidone from alkyl...

Details Process for making 5-methyl-N-alkyl-2-pyrrolidone from alkyl... Process for making 5-methyl-N-alkyl-2-pyrrolidone from alkyl...

2005-04-27

2008-12-16

Saeed, Kamal A (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07465813

ABSTRACT:
This invention relates to a process for producing a reaction product comprising 5-methyl-N-alkyl-2-pyrrolidone by (a) reacting levulinic acid with alkyl amine(s) and (b) hydrogenating the products of step (a) in the presence of a metal catalyst, which is optionally supported.

REFERENCES:
patent: 3235632 (1966-02-01), Lemmer et al.
patent: 6900337 (2005-05-01), Manzer et al.
patent: 2004/0192933 (2004-09-01), Manzer et al.
patent: 2005/0054861 (2005-03-01), Manzer

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