Process for the preparation of 3-carboxamido-5-vinyl-2-pyrrolido

Details Process for the preparation of 3-carboxamido-5-vinyl-2-pyrrolido Process for the preparation of 3-carboxamido-5-vinyl-2-pyrrolido

1991-04-02

1992-03-31

Brust, Joseph Paul

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D207277

Patent

active

051010437

ABSTRACT:
The preparation of 3-carboxamido-5-vinyl-2-pyrrolidone from a 2-vinylcyclopropyl-1,1-dicarboxylic acid dialkyl ester and ammonia is improved with respect to yield and purity of the end product by addition of an alkali metal alcoholate and a polymerization inhibitor.

REFERENCES:
patent: 4178463 (1979-12-01), Gittos et al.
patent: 4235778 (1980-11-01), Gittos et al.

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