Process for producing 4-carboxamido-5-cyano-2-imidazolone

Details Process for producing 4-carboxamido-5-cyano-2-imidazolone Process for producing 4-carboxamido-5-cyano-2-imidazolone

1977-12-16

1978-12-05

Trousof, Natalie

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23390

Patent

active

041287193

ABSTRACT:
A process for producing 4-carboxamido-5-cyano-2-imidazolone which comprises reacting diaminomaleonitrile with carbon dioxide in a polar solvent, optionally in the presence of a basic catalyst.

REFERENCES:
patent: 2535006 (1950-12-01), Woodward
patent: 3868386 (1975-02-01), Sanchez et al.
Parker In: Raphael et al. Advances in Organic Chemistry Methods and Results vol. 5, pp. 2-5, N.Y. Interscience-Wiley, 1965.

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