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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2021-57-3-294-299</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-665</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>ОРГАНИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORGANIC CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Синтез S-аминоалкилпроизводных 1,2,4-триазино[5,6-b]индола</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis of S-aminoalkyl derivatives of 1,2,4-triazino[5,6-b]indole</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лопатик</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lopatik</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лопатик Дина Владимировна – канд. хим. наук, ст. науч. сотрудник</p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Dina V. Lopatik – Ph. D. (Chemistry), Senior Researcher</p><p>13, Surganov Str., 220072, Minsk </p></bio><email xlink:type="simple">aminoacid@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куваева</surname><given-names>З. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuvaeva</surname><given-names>Z. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Куваева Зоя Ивановна – д-р, хим. наук, профессор, зав. отделом</p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Zoya I. Kuvaeva – D. Sc. (Chemistry), Professor, Head of the Department</p><p>13, Surganov Str., 220072, Minsk </p></bio><email xlink:type="simple">extract@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Найдёнов</surname><given-names>В. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Naidenov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Найдёнов Владимир Эдгарович – науч. сотрудник</p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Vladimir E. Naidenov – Researcher</p><p>13, Surganov Str., 220072, Minsk </p></bio><email xlink:type="simple">aminoacid@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондарева</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Bondareva</surname><given-names>O. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бондарева Ольга Михайловна – науч. сотрудник</p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Olga M. Bondareva – Researcher</p><p>13, Surganov Str., 220072, Minsk </p></bio><email xlink:type="simple">aminoacid@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тычинская</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Tychinskaya</surname><given-names>L. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тычинская Людмила Юльевна – вед. науч. сотрудник</p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Lyudmila Yu. Tychinskaya – Leading Researcher</p><p>13, Surganov Str., 220072, Minsk </p></bio><email xlink:type="simple">sed@ifoch.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физико-органической химии Hациональной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>03</day><month>09</month><year>2021</year></pub-date><volume>57</volume><issue>3</issue><fpage>294</fpage><lpage>299</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лопатик Д.В., Куваева З.И., Найдёнов В.Э., Бондарева О.М., Тычинская Л.Ю., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Лопатик Д.В., Куваева З.И., Найдёнов В.Э., Бондарева О.М., Тычинская Л.Ю.</copyright-holder><copyright-holder xml:lang="en">Lopatik D.V., Kuvaeva Z.I., Naidenov V.E., Bondareva O.M., Tychinskaya L.Y.</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://vestichem.belnauka.by/jour/article/view/665">https://vestichem.belnauka.by/jour/article/view/665</self-uri><abstract><p>Конденсированные производные индола группы 1,2,4-триазино[5,6-b]индола обладают высокой биологической активностью и представляют интерес для создания лекарственных средств, проявляющих антигипоксическое и антисурдитантное действия. При проведении по тионовой группе реакции S-аминоалкилирования синтезированы, выделены и охарактеризованы S-аминоалкилпроизводные 1,2,4-триазино[5,6-b]индола, которые подвергали гидробромированию для получения их в форме гидробромидов.</p></abstract><trans-abstract xml:lang="en"><p>Condensed indole derivatives of the 1,2,4-triazino[5,6-b]indole group show high biological activity and are of interest for the development of pharmaceuticals that have antihypoxic and antisurditant effects. By S-aminoalkylation reactions on a thione group, S-aminoalkyl derivatives of 1,2,4-triazino[5,6-b]indole-3-thione that were subject to hydrobromination in order to obtain the form of hydrobromides were synthesized, isolated and characterized.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>изатин</kwd><kwd>тиосемикарбазид</kwd><kwd>2</kwd><kwd>3-дигидро-1</kwd><kwd>2</kwd><kwd>4-триазино[5</kwd><kwd>6-b]индол-3-тион</kwd><kwd>аминоалкилирование</kwd><kwd>3-(диметиламиноэтилтио)-1</kwd><kwd>2</kwd><kwd>4-триазино[5</kwd><kwd>6-b]индол</kwd><kwd>3-(диэтиламиноэтилтио)-1</kwd><kwd>2</kwd><kwd>4-триазино[5</kwd><kwd>6-b]индол</kwd><kwd>3-(морфолиноэтилтио)-1</kwd><kwd>2</kwd><kwd>4-триазино[5</kwd><kwd>6-b]индол</kwd><kwd>гидробромирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>isatin</kwd><kwd>thiosemicarbazide</kwd><kwd>2</kwd><kwd>3-dihydro-1</kwd><kwd>2</kwd><kwd>4-triazino[5</kwd><kwd>6-b]indole-3-thione</kwd><kwd>aminoalkylation</kwd><kwd>3-(dimethylpaminoethylthio)-1</kwd><kwd>2</kwd><kwd>4-triazino[5</kwd><kwd>6-b]indole</kwd><kwd>3-(diethylaminoethylthio)-1</kwd><kwd>2</kwd><kwd>4-triazino[5</kwd><kwd>6-b]indole</kwd><kwd>3-(morpholino-ethylthio)-1</kwd><kwd>2</kwd><kwd>4- triazino[5</kwd><kwd>6-b]ndole</kwd><kwd>hydrobromination</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">Mizutani, M. 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