Chemistry of Heterocyclic Compounds p. 1171 - 1175 (1980)
Update date:2022-08-03
Topics:
Mokrushin, V. S.
Selezneva, I. S.
Nifontov, V. I.
Pushkareva, Z. V.
The reaction of 5(4)-aminoimidazole-4(5)-carboxhydrazide with nitrous acid was investigated.A mixture of four compounds, viz., 5-diazoimidazole-4-carboxazide, 5-diazoimidazole-4-carboxylic acid, 5(4)-aminoimidazole-4(5)-carboxazide, and 2-azahypoxanthine, is formed under all of the investigated conditions. 5(4)-Azidoimidazole-4(5)-carboxamide derivatives were obtained in the reaction of diazoimidazolecarboxazide with various amines in protic and aprotic solvents. 5-N-(Piperidyl)-azoimidazole-4-carboxazide was isolated only in the reaction with piperidine in an aqueousmedium.
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Doi:10.1055/s-2004-829132
(2004)Doi:10.1016/S0040-4039(00)93688-8
(1980)Doi:10.1016/0040-4020(95)00950-7
(1996)Doi:10.1039/a903775f
(1999)Doi:10.1021/jo0491298
(2004)Doi:10.1002/anie.201802483
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