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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Doklady Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Doklady Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Российской академии наук. Химия, науки о материалах</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-9535</issn><issn publication-format="electronic">3034-5111</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">651993</article-id><article-id pub-id-type="doi">10.31857/S2686953522600295</article-id><article-id pub-id-type="edn">EVQNUQ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ХИМИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">INTERACTION OF 2-AMINO-(4-ARYL)-SUBSTITUTED THIA- AND OXAZOLES WITH 5-CYANO-1,2,4-TRIAZINES</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности взаимодействия 2-амино-(4-арил)-замещенных тиа- и оксазолов с 5-циано-1,2,4-триазинами</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krinochkin</surname><given-names>A. P.</given-names></name><name xml:lang="ru"><surname>Криночкин</surname><given-names>А. П.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Matern</surname><given-names>A. I.</given-names></name><name xml:lang="ru"><surname>Матерн</surname><given-names>А. И.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zyryanov</surname><given-names>G. V.</given-names></name><name xml:lang="ru"><surname>Зырянов</surname><given-names>Г. В.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Taniya</surname><given-names>O. S.</given-names></name><name xml:lang="ru"><surname>Тания</surname><given-names>О. С.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sharafieva</surname><given-names>E. R.</given-names></name><name xml:lang="ru"><surname>Шарафиева</surname><given-names>Э. Р.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ladin</surname><given-names>E. D.</given-names></name><name xml:lang="ru"><surname>Ладин</surname><given-names>Е. Д.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kopchuk</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Копчук</surname><given-names>Д. С.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shtaitz</surname><given-names>Ya. K.</given-names></name><name xml:lang="ru"><surname>Штайц</surname><given-names>Я. К.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rammohan</surname><given-names>A.</given-names></name><name xml:lang="ru"><surname>Раммохан</surname><given-names>А.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chupakhin</surname><given-names>O. N.</given-names></name><name xml:lang="ru"><surname>Чупахин</surname><given-names>О. Н.</given-names></name></name-alternatives><email>iaroslav.shtaits@urfu.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ural Federal University</institution></aff><aff><institution xml:lang="ru">Уральский федеральный университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.Ya. Postovsky Institute of Organic Synthesis of the Ural Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт органического синтеза, Уральское отделение Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Ural State Medical University, Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Уральский медицинский университет Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-01-01" publication-format="electronic"><day>01</day><month>01</month><year>2023</year></pub-date><volume>508</volume><issue>1</issue><fpage>55</fpage><lpage>58</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, А.П. Криночкин, А. Раммохан, Я.К. Штайц, Д.С. Копчук, Е.Д. Ладин, Э.Р. Шарафиева, О.С. Тания, Г.В. Зырянов, А.И. Матерн, О.Н. Чупахин</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, А.П. Криночкин, А. Раммохан, Я.К. Штайц, Д.С. Копчук, Е.Д. Ладин, Э.Р. Шарафиева, О.С. Тания, Г.В. Зырянов, А.И. Матерн, О.Н. Чупахин</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">А.П. Криночкин, А. Раммохан, Я.К. Штайц, Д.С. Копчук, Е.Д. Ладин, Э.Р. Шарафиева, О.С. Тания, Г.В. Зырянов, А.И. Матерн, О.Н. Чупахин</copyright-holder><copyright-holder xml:lang="ru">А.П. Криночкин, А. Раммохан, Я.К. Штайц, Д.С. Копчук, Е.Д. Ладин, Э.Р. Шарафиева, О.С. Тания, Г.В. Зырянов, А.И. Матерн, О.Н. Чупахин</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2686-9535/article/view/651993">https://journals.eco-vector.com/2686-9535/article/view/651993</self-uri><abstract xml:lang="en"><p id="idm45181324434176">An interaction of 6-aryl-1,2,4-triazine-5-carbonitriles with 2‑amino-substituted thiazoles and oxazoles has been studied. The difference in the reactivity of these aminoheterocycles depending on the presence of an oxygen or sulfur atom in their composition has been demonstrated. Previously, the 4-aryl-3-hydroxy-2,2'-bipyridines were obtained as products of <italic>aza</italic>-Diels–Alder reaction between 6-aryl-3-(2-pyridyl)-1,2,4-triazine-5-carbonitriles and 2-amino-4-aryloxazoles. In the present work we have shown that the reaction of 6-aryl-1,2,4-triazine-5-carbonitriles with 2-aminothiazoles led to the products of <italic>ipso</italic>-substitution of cyano-group. The <italic>aza</italic>-Diels–Alder reaction of these compounds with 2,5-norbornadiene allowed to obtain (2,2'-bi)pyridines with the thiazol-2-amine moiety at alpha-position.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324433920">Изучено взаимодействиe 2-амино-(4-арил)-содержащих тиазолов и оксазолов с 6-арил-1,2,4-триазин-5-карбонитрилами. Продемонстрировано различие реакционной способности данных аминогетероциклов в зависимости от наличия атома кислорода или серы в их составе. Так, в случае 2-амино-4-арилоксазолов ранее были получены продукты реакции <italic>аза</italic>-Дильса–Альдера, а именно: 4-арил-3-гидрокси-2,2'-бипиридины. В данной статье нами продемонстрировано, что реакция 2-амино-(4-арил)тиазолов с 6-арил-1,2,4-триазин-5-карбонитрилами приводит к образованию продуктов <italic>ипсо</italic>-замещения цианогруппы, дальнейшее взаимодействие которых с 2,5-норборнадиеном позволяет получить (2,2'-би)пиридины, имеющие остаток тиазол-2-амина в альфа-положении.</p></trans-abstract><kwd-group xml:lang="en"><kwd>2-aminothiazoles</kwd><kwd>6-aryl-1,2,4-triazine-5-carbonitriles</kwd><kwd><italic>ipso</italic>-substitution of cyano-group</kwd><kwd>solvent-free reactions</kwd><kwd><italic>aza</italic>-Diels–Alder reaction</kwd><kwd>(2,2'-bi)pyridines</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>2-аминотиазолы</kwd><kwd>1,2,4-триазин-5-карбонитрилы</kwd><kwd><italic>ипсо</italic>-замещение цианогруппы</kwd><kwd>реакции в отсутствие растворителя</kwd><kwd>реакция <italic>аза</italic>-Дильса–Альдера</kwd><kwd>(2,2'-би)пиридины</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Atwood J.L., Davies J.E.D., MacNicol D.D., Vögtle F., Lehn J.-M. 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