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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">697738</article-id><article-id pub-id-type="doi">10.7868/S3034630425060085</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">Dibenzoylmethane in the Synthesis of Selenium-Containing Di- and Tetrahydropyridine-3-carbonitriles</article-title><trans-title-group xml:lang="ru"><trans-title>ДИБЕНЗОИЛМЕТАН В СИНТЕЗЕ СЕЛЕНСОДЕРЖАЩИХ ДИ- И ТЕТРАГИДРОПИРИДИН-3-КАРБОНИТРИЛОВ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8045-7582</contrib-id><name-alternatives><name xml:lang="en"><surname>Frolov</surname><given-names>K. A</given-names></name><name xml:lang="ru"><surname>Фролов</surname><given-names>К. А</given-names></name></name-alternatives><email>ksg-group-lugansk@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3181-7609</contrib-id><name-alternatives><name xml:lang="en"><surname>Krivokolysko</surname><given-names>B. S</given-names></name><name xml:lang="ru"><surname>Кривокольско</surname><given-names>Б. С</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7125-9066</contrib-id><name-alternatives><name xml:lang="en"><surname>Aksenov</surname><given-names>N. A</given-names></name><name xml:lang="ru"><surname>Аксенов</surname><given-names>Н. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9879-9217</contrib-id><name-alternatives><name xml:lang="en"><surname>Krivokolysko</surname><given-names>S. G</given-names></name><name xml:lang="ru"><surname>Кривокольско</surname><given-names>С. Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Chemex Lab, V. Dahl Lugansk State University</institution></aff><aff><institution xml:lang="ru">Лаборатория "Химэкс", Луганский государственный университет имени Владимира Даля</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">St. Luke Lugansk State Medical University</institution></aff><aff><institution xml:lang="ru">Луганский государственный медицинский университет имени Святителя Луки</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">North Caucasus Federal University</institution></aff><aff><institution xml:lang="ru">Северо-Кавказский федеральный университет</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>715</fpage><lpage>720</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/697738">https://vietnamjournal.ru/0514-7492/article/view/697738</self-uri><abstract xml:lang="en"><p>Upon the interaction of cyanoselenoacetamide, 2-furan- or 2-thiophenocarbaldehydes and dibenzoylmethane in ethanol in the presence of an excess of piperidine or morpholine under argon, 6-hydroxy-3-cyano-1,4,5,6-tetrahydropyridine-2-ammonium selenolates were obtained, which were used in the synthesis of 2-alkylselenodi- and tetrahydropyridine-3- carbonitriles. The structure of the latter was studied using the method of X-ray diffraction analysis.</p></abstract><trans-abstract xml:lang="ru"><p>При взаимодействии цианоселеноацетамида, 2-фуран- или 2-тиофенкарбальдегидов и дибензоилметана в этаноле в присутствии избытка пиперидина или морфолина в атмосфере аргона получены 6-гидрокси-3-циано-1,4,5,6-тетрагидропиридин-2-селенолаты аммония, использованные в синтезе 2-алкилесленоди- и тетрагидропиридин-3-карбонитрилов. Строение последних изучено с помощью метода рентгеноструктурного анализа.</p></trans-abstract><kwd-group xml:lang="en"><kwd>dibenzoylmethane</kwd><kwd>cyanoselenoacetamide</kwd><kwd>2-furancarbaldehyde</kwd><kwd>2-thiophencarbaldehyde</kwd><kwd>1,4-dihydropyridine</kwd><kwd>1,4,5,6-tetrahydropyridine</kwd><kwd>methyl iodide</kwd><kwd>ethyl chloroacetate</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>дибензоилметан</kwd><kwd>цианоселеноацетамид</kwd><kwd>2-фуранкарбальдегид</kwd><kwd>2-тиофенкарбальдегид</kwd><kwd>1,4-дигидропиридин</kwd><kwd>1,4,5,6-тетрагидропиридин</kwd><kwd>метилйодид</kwd><kwd>этилхлорацетат</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства науки и высшего образования Российской Федерации в рамках государственного задания (код научной темы: FREE-2023-0002)</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Iwaoka M., Arai K., Curr. 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