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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">697745</article-id><article-id pub-id-type="doi">10.7868/S3034630425060153</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">Synthesis and Antihypoxic Properties of New Derivatives 1,4-Benzodioxanil-1,3,4-oxadiazole</article-title><trans-title-group xml:lang="ru"><trans-title>СИНТЕЗ И ПРОТИВОГИПОКСИЧЕСКИЕ СВОЙСТВА НОВЫХ ПРОИЗВОДНЫХ 1,4-БЕНЗОДИОКСАНИЛ-1,3,4-ОКСАДИАЗОЛА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4582-7629</contrib-id><name-alternatives><name xml:lang="en"><surname>Vartanyan</surname><given-names>S. O</given-names></name><name xml:lang="ru"><surname>Вартанян</surname><given-names>С. О</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/0000-0002-7148-3666</contrib-id><name-alternatives><name xml:lang="en"><surname>Avakyan</surname><given-names>A. S</given-names></name><name xml:lang="ru"><surname>Авакян</surname><given-names>А. С</given-names></name></name-alternatives><email>avaga@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7115-9164</contrib-id><name-alternatives><name xml:lang="en"><surname>Sargsyan</surname><given-names>A. B</given-names></name><name xml:lang="ru"><surname>Саргсян</surname><given-names>А. Б</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Panosyan</surname><given-names>G. A</given-names></name><name xml:lang="ru"><surname>Паносян</surname><given-names>Г. А</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/0000-0003-3748-6975</contrib-id><name-alternatives><name xml:lang="en"><surname>Arutyunyan</surname><given-names>S. A</given-names></name><name xml:lang="ru"><surname>Арутюнян</surname><given-names>С. А</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/0000-0002-8555-3733</contrib-id><name-alternatives><name xml:lang="en"><surname>Gasparyan</surname><given-names>G. V</given-names></name><name xml:lang="ru"><surname>Гаспарян</surname><given-names>Г. 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/0000-0001-6151-4951</contrib-id><name-alternatives><name xml:lang="en"><surname>Agekyan</surname><given-names>A. A</given-names></name><name xml:lang="ru"><surname>Агекян</surname><given-names>А. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Scientific and Technological Center of Organic and Pharmaceutical Chemistry of the National Academy of Sciences of the Republic of Armenia</institution></aff><aff><institution xml:lang="ru">Научно-технологический центр органической и фармацевтической химии НАН Республики Армения</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>754</fpage><lpage>760</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/697745">https://vietnamjournal.ru/0514-7492/article/view/697745</self-uri><abstract xml:lang="en"><p>Condensation of previously synthesized 1,4-benzodioxane-2-carboxylic acid hydrazide with chloranhydrides of various arylcycloalkane-, as well as aerylterrahydropyrancarboxylic acids substituted in the aromatic ring, gave N,N′-diacyl-substituted hydrazines, which are cyclized under the action of phosphorus oxychloride to the corresponding 1,3,4-oxadiazolebenzodioxanes. The antihypoxic properties of the synthesized compounds were studied.</p></abstract><trans-abstract xml:lang="ru"><p>Конденсацией ранее синтезированного гидразида 1,4-бензодиоксан-2-карбоновой кислоты с хлорангидридами различных замещенных в ароматическом кольце арилциклоалкан-, а также арилтетрагидропиранкарбоновых кислот получены N,N<sup>1</sup>−диацилзамещенные гидразины, которые далее циклизовали под действием хлорокиси фосфора до соответствующих новых производных 1,4-бензодиоксанил-1,3,4-оксадиазола. Изучены противогипоксические свойства синтезированных соединений.</p></trans-abstract><kwd-group xml:lang="en"><kwd>1,4-benzodioxane</kwd><kwd>1,3,4-oxadiazole</kwd><kwd>phosphorus oxychloride</kwd><kwd>hydrazide</kwd><kwd>cyclization</kwd><kwd>antihypoxic properties</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>1,4-бензодиоксан</kwd><kwd>1,3,4-оксадиазол</kwd><kwd>хлорокись фосфора</kwd><kwd>гидразид</kwd><kwd>циклизация</kwd><kwd>противогипоксические свойства</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>The use of stems in the selection of International Non-prietary Names (INN) for pharmaceutical substances WHO, 2018.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Siwach A., Verma P.K., BMC Chem., 2020, 14, 70. doi 10.1186/s13065-020-00721-2</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Vaidya A., Pathak D., Shah K., Chem. Biol. 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