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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">697732</article-id><article-id pub-id-type="doi">10.7868/S3034630425060026</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">Three-Component Synthesis of Tetrahydroisoquinolines Based on the S<sub>N</sub>Vin Reaction</article-title><trans-title-group xml:lang="ru"><trans-title>ТРЕХКОМПОНЕНТНЫЙ СИНТЕЗ ТЕТРАГИДРОИЗОХИНОЛИНОВ НА ОСНОВЕ РЕАКЦИИ S<sub>N</sub>VIN</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7255-3446</contrib-id><name-alternatives><name xml:lang="en"><surname>Dyachenko</surname><given-names>I. V</given-names></name><name xml:lang="ru"><surname>Дяченко</surname><given-names>И. В</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/0000-0002-0993-4091</contrib-id><name-alternatives><name xml:lang="en"><surname>Dyachenko</surname><given-names>V. D</given-names></name><name xml:lang="ru"><surname>Дяченко</surname><given-names>В. Д</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dorovatovskii</surname><given-names>P. V</given-names></name><name xml:lang="ru"><surname>Дороватовский</surname><given-names>П. 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/0000-0001-8806-2975</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="aff3"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9162-5169</contrib-id><name-alternatives><name xml:lang="en"><surname>Nenajdenko</surname><given-names>V. G</given-names></name><name xml:lang="ru"><surname>Ненайденко</surname><given-names>В. Г</given-names></name></name-alternatives><email>nenajdenko@gmail.com</email><xref ref-type="aff" rid="aff5"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lugansk State Pedagogical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО “Луганский государственный педагогический университет”</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">National Research Center "Kurchatov Institute"</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский центр “Курчатовский институт”</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Peoples' Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО “Российский университет дружбы народов”</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН “Институт органической химии им. Н.Д. Зелинского”</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО “Московский государственный университет имени М.В. Ломоносова”</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>662</fpage><lpage>673</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/697732">https://vietnamjournal.ru/0514-7492/article/view/697732</self-uri><abstract xml:lang="en"><p>A three-component reaction of carbocyclic enaminoketones, CH-acids, and electrophiles was studied. Based on the reaction of nucleophilic vinyl substitution (S<sub>N</sub>Vin), previously unknown derivatives of 5,6,7,8-tetrahydroisoquinolines were synthesized. The structure of a number of products was studied by X-ray diffraction.</p></abstract><trans-abstract xml:lang="ru"><p>Изучена трехкомпонентная реакция карбоциклических енаминокетонов, CH-кислот и электрофилов. На основе реакции нуклеофильного винильного замещения (S<sub>N</sub>Vin) синтезированы ранее неизвестные производные 5,6,7,8-тетрагидроизохинолинов. Строение ряда продуктов изучено методом PCA.</p></trans-abstract><kwd-group xml:lang="en"><kwd>three-component reaction</kwd><kwd>enaminoketone</kwd><kwd>CH-acid</kwd><kwd>nucleophilic vinylic substitution</kwd><kwd>alkylation</kwd><kwd>5,6,7,8-tetrahydroisoquinoline</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>трехкомпонентная реакция</kwd><kwd>енаминокетон</kwd><kwd>CH-кислота</kwd><kwd>нуклеофильное винильное замещение</kwd><kwd>алкилирование</kwd><kwd>5,6,7,8-тетрагидроизохинолин</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Yoshizumi T., Miyazo H., Sugimoto Y., Takahashi H., Okamoto O. 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