Three-Component Condensation of 4-Imino-1-Phenylimidazolidin-2-One with Aldehydes and Meldrum's Acid: Synthesis of Imidazo[4,5-b]Pyridine-2,5(4H,6H)-Diones and 5-Substituted 1-Phenylhydantoins

被引：0
作者：
Constantine S. Krylov
Andrey N. Komogortsev
Boris V. Lichitsky
Artem N. Fakhrutdinov
Arkady А. Dudinov
Mikhail M. Krayushkin
机构：
[1] N. D. Zelinsky Institute of Organic Chemistry,
[2] Russian Academy of Sciences,undefined
来源：
Chemistry of Heterocyclic Compounds | 2019年 / 55卷
关键词：
aldehydes; imidazo[4,5-; ]pyridine-2,5(4; ,6; )-diones; 4-imino-1-phenylimidazolidin-2-one; Meldrum's acid; 5-substituted 1-phenylhydantoins; three-component condensation;
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摘要：
A convenient method for the synthesis of previously unknown imidazo[4,5-b]pyridine-2,5(4H,6H)-diones has been developed, based on a three-component condensation of 4-imino-1-phenylimidazolidin-2-one with aldehydes and Meldrum's acid. The possibility of accessing 5-substituted 1-phenylhydantoins based on the acid hydrolysis of imidazo[4,5-b]pyridine-2,5(4H,6H)-diones was shown.
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页码：851 / 855
页数：4
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