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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Organic Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Organic Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал органической химии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0514-7492</issn><issn publication-format="electronic">3034-6304</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">697737</article-id><article-id pub-id-type="doi">10.7868/S3034630425060076</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Catalytic Rearrangement of Four Substituted Tetrahydropyridine</article-title><trans-title-group xml:lang="ru"><trans-title>КАТАЛИТИЧЕСКАЯ ПЕРЕГРУППИРОВКА ЧЕТЫРЕХЗАМЕЩЕННОГО ТЕТРАГИДРОПИРИДИНА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-9325-1756</contrib-id><name-alternatives><name xml:lang="en"><surname>Naghiyev</surname><given-names>F. N</given-names></name><name xml:lang="ru"><surname>Нагиев</surname><given-names>Ф. Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8806-2975</contrib-id><name-alternatives><name xml:lang="en"><surname>Khrustal'ev</surname><given-names>V. N</given-names></name><name xml:lang="ru"><surname>Хрусталёв</surname><given-names>В. Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-6733-2322</contrib-id><name-alternatives><name xml:lang="en"><surname>Komarovskikh</surname><given-names>M. R</given-names></name><name xml:lang="ru"><surname>Комаровских</surname><given-names>М. Р</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3606-0868</contrib-id><name-alternatives><name xml:lang="en"><surname>Tachaev</surname><given-names>M. V</given-names></name><name xml:lang="ru"><surname>Тачаев</surname><given-names>М. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5757-9899</contrib-id><name-alternatives><name xml:lang="en"><surname>Mamedov</surname><given-names>I. G</given-names></name><name xml:lang="ru"><surname>Мамедов</surname><given-names>И. Г</given-names></name></name-alternatives><email>bsu.mmrtab@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Baku State University</institution></aff><aff><institution xml:lang="ru">Бакинский государственный университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Peoples' Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов (РУДН)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">N.D. Zelinsky Institute of Organic Chemistry RAS</institution></aff><aff><institution xml:lang="ru">Институт органической химии Н.Д. Зелинского РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2025</year></pub-date><volume>61</volume><issue>6</issue><issue-title xml:lang="en">VOL 61, NO6 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 61, №6 (2025)</issue-title><fpage>710</fpage><lpage>714</lpage><history><date date-type="received" iso-8601-date="2025-12-04"><day>04</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-06-15"/></permissions><self-uri xlink:href="https://vietnamjournal.ru/0514-7492/article/view/697737">https://vietnamjournal.ru/0514-7492/article/view/697737</self-uri><abstract xml:lang="en"><p>A new compound, 5-acetyl-2-amino-4-(2-chloro-5-nitrophenyl)-6-oxo-1-phenyl-1,4,5,6-tetrahydropyridine-3-carbonitrile, was synthesized by the reaction of 2-chloro-5-nitrobenzylidenemalononitrile with malononitrile and aniline. Subsequently, it was subjected to catalytic rearrangement in the presence of ethylenediamine and a second new compound, 4-(2-chloro-5-nitrophenyl)-6-oxo-2-(phenylamino)-1,4,5,6-tetrahydropyridine-3-carbonitrile, was obtained. The structure of the products was determined using NMR spectroscopy and X-ray diffraction analysis. A probable mechanism of the rearrangement reaction was proposed.</p></abstract><trans-abstract xml:lang="ru"><p>Реакцией 2-хлор-5-нитробензилидehмалононитрила с малононитрилом и анилином синтезировано новое соединение – 5-ацетил-2-амино-4-(2-хлор-5-нитрофенил)-6-оксо-1-фенил-1,4,5,6тетрагидропиридин-3-карбонитрил. Проведена его каталитическая перегруппировка в присутствии этилендиамина и получено второе новое соединение – 4-(2-хлор-5-нитрофенил)-6-оксо2-(фениламино)-1,4,5,6-тетрагидропиридин-3-карбонитрил. Структура продуктов определена методом ЯМР-спектроскопии и РСА. Предложен вероятный механизм реакции перегруппировки.</p></trans-abstract><kwd-group xml:lang="en"><kwd>malononitrile</kwd><kwd>benzylidenemalononitrile</kwd><kwd>dihydropyridine</kwd><kwd>tetrahydropyridine</kwd><kwd>rearrangement</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>малононитрил</kwd><kwd>бензилидehмалононитрил</kwd><kwd>дигидропиридин</kwd><kwd>тетрагидропиридин</kwd><kwd>перегруппировка</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Taylor A.P., Robinson R.P., Fobian Y.M., Blakemore D.C., Jones L.H., Fadeyi O., Org. Biomol. Chem., 2016, 14, 6611–6687. doi 10.1039/C60B00936K</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Cabrele C., Reiser O., J. Org. 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