Synthesis of 7-[2-(Dimethylamino)vinyl]pyrazolo[1,5-a]pyrimidine-6-carbonitriles and Their Heterocyclizations with N1 Synthons

IF 0.8 4区 化学 Q4 CHEMISTRY, ORGANIC Russian Journal of Organic Chemistry Pub Date : 2024-07-30 DOI:10.1134/s1070428024050087
V. A. Polikarchuk, M. S. Derkachev, Kh. S. Shikhaliev
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Abstract

The use of new 7-methylazolo[1,5-a]pyrimidine-6-carbonitriles for the construction of heterocyclic systems annulated at the pyrimidine ring has been demonstrated. Cascade cyclizations are carried out via the intermediate dimethylaminovinyl derivatives. The specific features of the cascade reactions with ammonia or aliphatic amines as N1 synthons, depending on the reaction conditions, are demonstrated.

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7-[2-(二甲基氨基)乙烯基]吡唑并[1,5-a]嘧啶-6-甲腈的合成及其与 N1 合成物的异环化反应
摘要研究人员利用新的 7-甲基氮并[1,5-a]嘧啶-6-甲腈构建了嘧啶环上的杂环系统。级联环化是通过中间体二甲氨基乙烯基衍生物进行的。根据反应条件的不同,以氨或脂肪胺为 N1 合成物的级联反应的具体特征也得到了证实。
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来源期刊
CiteScore
1.40
自引率
25.00%
发文量
139
审稿时长
3-6 weeks
期刊介绍: Russian Journal of Organic Chemistry is an international peer reviewed journal that covers all aspects of modern organic chemistry including organic synthesis, theoretical organic chemistry, structure and mechanism, and the application of organometallic compounds in organic synthesis.
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