Method of producing benzimidazolone

Details Method of producing benzimidazolone Method of producing benzimidazolone

1981-06-22

1983-02-15

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

564441, C07D23526

Patent

active

043742505

ABSTRACT:
A method of producing benzimidazolone which comprises reacting a feed compound having the general formula ##STR1## wherein X and Y independently represent an amino group or a nitro group, with carbon monoxide in solvent in the presence of selenium and a base, and in the presence of water when the feed compound has nitro groups.

REFERENCES:
Falbe, J. (Editor), New Syntheses with Carbon Monoxide, Springer-Verlag, New York, 1980, pp. 291-292, 296-297, 302-307.
Sonoda, N., et al., J. Am. Chem. Soc., 93, 6344 (1971).
Kondo, K., et al., Angew, Chem. Int. Ed. Engl., 18, 692 (1979).
Kondo, K., et al., Angew Chem. Int. Ed. Engl., 18, 691 (1979).

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