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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2925-2022-12-1-167-172</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-763</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF COMMUNICATION</subject></subj-group></article-categories><title-group><article-title>Синтез и характеристика тиосемикарбазонов 2,5-дибутилтио-2,3-дигидро-2-формил-4Н-пирана и их медных комплексов</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis and characterization of 2,5-dibutylthio-2,3-dihydro-2-formyl-4H-pyran thiosemicarbazones and their copper complexes</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4907-5612</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Верочкина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Verochkina</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Е. А. Верочкина, к.х.н., научный сотрудник664033, г. Иркутск, ул. Фаворского, 1</p></bio><bio xml:lang="en"><p>Ekaterina A. Verochkina, Cand. Sci. (Chemistry), Researcher</p><p>1, Favorsky St., Irkutsk, 664033</p></bio><email xlink:type="simple">kleptsova84@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1921-0257</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вчисло</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vchislo</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Н. В. Вчисло, к.х.н., научный сотрудникм664033, г. Иркутск, ул. Фаворского, 1</p></bio><bio xml:lang="en"><p>Nadezhda V. Vchislo, Cand. Sci. (Chemistry), Researcher1, Favorsky St., Irkutsk, 664033</p></bio><email xlink:type="simple">vchislo@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7388-712X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ларина</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Larina</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Л. И. Ларина, д.х.н., ведущий научный сотрудник664033, г. Иркутск, ул. Фаворского, 1</p></bio><bio xml:lang="en"><p>Lyudmila I. Larina, Dr. Sci. (Chemistry), Leading Researcher</p><p>1, Favorsky St., Irkutsk, 664033</p></bio><email xlink:type="simple">larina@irioch.irk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0665-8060</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Титов</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Titov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Е. А. Титов, к.б.н., старший научный сотрудник665827, г. Ангарск, 12-А микрорайон, 3</p></bio><bio xml:lang="en"><p>Evgenii A. Titov, Cand. Sci. (Biology), Senior Researcher,East-Siberian Institute of Medical and Ecological Research</p><p>12a microdistrict, 3, Angarsk, 665827</p></bio><email xlink:type="simple">g57097@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский институт химии им. А. Е. Фаворского СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A. E. Favorsky Irkutsk Institute of Chemistry SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Иркутский институт химии им. А. Е. Фаворского СО РАН; Восточно-Сибирский институт медико-экологических исследований</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A. E. Favorsky Irkutsk Institute of Chemistry SB RAS; East-Siberian Institute of Medical and Ecological Research</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>01</day><month>04</month><year>2022</year></pub-date><volume>12</volume><issue>1</issue><fpage>167</fpage><lpage>172</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Верочкина Е.А., Вчисло Н.В., Ларина Л.И., Титов Е.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Верочкина Е.А., Вчисло Н.В., Ларина Л.И., Титов Е.А.</copyright-holder><copyright-holder xml:lang="en">Verochkina E.A., Vchislo N.V., Larina L.I., Titov E.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vuzbiochemi.elpub.ru/jour/article/view/763">https://vuzbiochemi.elpub.ru/jour/article/view/763</self-uri><abstract><p>Неизвестные ранее производные тиосемикарбазида получены путем реакции конденсации 2,5-дибутилтио-2,3-дигидро-2-формил-4Н-пирана с 4-фенилтиосемикарбазидом или тиосемикарбазидом при кипячении в EtOH с высокими выходами. Продукты представляют собой окрашенные масла. Комплексы Cu(II) на основе карбазонов 2,5-дибутилтио-2,3-дигидро-2-формил-4Н-пирана были синтезированы путем взаимодействия с хлоридом меди (II). Все эти комплексы растворимы в диметилформамиде (ДМФА) и диметилсульфоксиде (ДМСО), элементный анализ показывает, что они имеют стехиометрию 1:1 металл–лиганд. Структуры полученных соединений охарактеризованы методами ИК и 1Н, 13С, 15N ЯМР-спектроскопии и элементного анализа. Полученные медьсодержащие комплексы с тиосемикарбазонами представляют интерес в связи с их повышенной биологической активностью. Сделан первичный скрининг острой токсичности соединения тиосемикарбазон 2,5-дибутилтио-2,3- дигидро-2-формил-4Н-пирана. Анализ полученных результатов показал, что по параметру DL50 исследуемый препарат при остром внутрижелудочном пути поступления характеризуется как вещество, имеющее низкую опасность острой токсичности, и относится к V классу опасности (DL50&gt;2000 мг/кг).</p></abstract><trans-abstract xml:lang="en"><p>Previously unknown derivatives of thiosemicarbazide were obtained in high yields by the condensation reaction of 2,5-dibutylthio-2,3-dihydro-2-formyl-4H-pyran with 4-phenylthiosemicarbazide or thiosemicarbazide when boiling in EtOH. The reaction products are represented by colored oils. Cu(II) complexes based on 2,5-dibutylthio-2,3-dihydro-2-formyl-4H-pyran carbazones were synthesized by their interaction with copper (II) chloride. All these complexes are soluble in dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) and, according to elemental analysis, have a 1:1 metal-ligand stoichiometry. The obtained compounds were studied using IR and 1H, 13C, 15N NMR spectroscopy, as well as elemental analysis. The obtained copper-containing complexes with thiosemicarbazones are of particular interest due to their pronounced biological activity. The thiosemicarbazone 2,5-dibutylthio-2,3-dihydro-2-formyl-4H-pyran compound was subjected to primary screening for acute toxicity. The obtained results showed that, when taken intragastricaly, the studied compound can be characterized as a substance with a low risk of acute toxicity. According to the DL50 parameter, the compound belongs to the V hazard class (DL50&gt;2000 mg/kg).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>2</kwd><kwd>5-дибутилтио-2</kwd><kwd>3-дигидро-2-формил-4Н-пиран</kwd><kwd>4-фенилтиосемикарбазид</kwd><kwd>тиосемикарбазид</kwd><kwd>металлокомплексы</kwd><kwd>биологическая активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>2</kwd><kwd>5-dibutylthio-2</kwd><kwd>3-dihydro-2-formyl-4H-pyran</kwd><kwd>4-phenylthiosemicarbazide</kwd><kwd>thiosemicarbazide</kwd><kwd>metal complexes</kwd><kwd>biological activity</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Metwally M. A., Bondock S., Hossam E.-A., Kandeel E.-E. M. Thiosemicarbazides: synthesis and reactions // Journal of Sulfur Chemistry. 2011. Vol. 32, no. 5. 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