Polyfunctionalized pyrimidines based on 1,2,4-triketones

IF 1.7 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Russian Chemical Bulletin Pub Date : 2024-08-31 DOI:10.1007/s11172-024-4316-5
Yu. O. Edilova, E. A. Osipova, Yu. S. Kudyakova, P. A. Slepukhin, V. I. Saloutin, D. N. Bazhin
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Abstract

An approach was developed for the synthesis of polyfunctionalized pyrimidines based on analogs of 1,2,4-triketones. Acetal-substituted β-diketones are involved in the condensation with amidines in the presence of an excess of (EtO)3B/Et3N in acetonitrile. The conditions of the acid hydrolysis of acetal-containing pyrimidines were found to depend on the nature of substituents in diazine. The use of 1,2,4-triketone in the condensation with amidine allows the synthesis of acetylpyrimidine in one step.

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基于 1,2,4-三酮的多官能化嘧啶
我们开发了一种基于 1,2,4-三酮类似物合成多官能团化嘧啶的方法。在乙腈中过量的 (EtO)3B/Et3N 存在下,乙缩醛取代的 β-二酮参与了与脒的缩合。研究发现,含缩醛嘧啶的酸水解条件取决于重氮中取代基的性质。使用 1,2,4-三酮与脒缩合,可一步合成乙酰基嘧啶。
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来源期刊
Russian Chemical Bulletin
Russian Chemical Bulletin 化学-化学综合
CiteScore
2.70
自引率
47.10%
发文量
257
审稿时长
3-8 weeks
期刊介绍: Publishing nearly 500 original articles a year, by leading Scientists from Russia and throughout the world, Russian Chemical Bulletin is a prominent international journal. The coverage of the journal spans practically all areas of fundamental chemical research and is presented in five sections: General and Inorganic Chemistry; Physical Chemistry; Organic Chemistry; Organometallic Chemistry; Chemistry of Natural Compounds and Bioorganic Chemistry.
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