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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</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">10.29235/1561-8323-2018-62-2-178-184</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-506</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>ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>СИНТЕЗ КОНЪЮГАТА 24-ЭПИКАСТАСТЕРОНА С ФЛУОРЕСЦЕНТНЫМ КРАСИТЕЛЕМ BODIPY</article-title><trans-title-group xml:lang="en"><trans-title>SYNTHESIS OF 24-EPICASTASTERONE CONJUGATE WITH FLUORESCENT DYE BODIPY</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>Гурский</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Hurski</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, вед. науч. сотрудник</p></bio><email xlink:type="simple">ahurski@iboch.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>Барановский</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranovsky</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р хим. наук, заведующий лабораторией</p></bio><email xlink:type="simple">baranovsky@iboch.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>Драшар</surname><given-names>П.</given-names></name><name name-style="western" xml:lang="en"><surname>Drasar</surname><given-names>P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор</p></bio><email xlink:type="simple">Pavel.Drasar@vscht.cz</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жабинский</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhabinskii</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент, д-р хим. наук, доцент, гл. науч. сотрудник</p></bio><email xlink:type="simple">vz@iboch.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>Хрипач</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khripach</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик, д-р хим. наук, профессор, заведующий лабораторией</p></bio><email xlink:type="simple">khripach@iboch.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биоорганической химии Национальной академии наук Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><aff xml:lang="ru" id="aff-2"><institution>Университет химии и технологии, Прага</institution><country>Czech Republic</country></aff><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>20</day><month>05</month><year>2018</year></pub-date><volume>62</volume><issue>2</issue><fpage>178</fpage><lpage>184</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гурский А.Л., Барановский А.В., Драшар П., Жабинский В.Н., Хрипач В.А., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Гурский А.Л., Барановский А.В., Драшар П., Жабинский В.Н., Хрипач В.А.</copyright-holder><copyright-holder xml:lang="en">Hurski A.L., Baranovsky A.V., Drasar P., Zhabinskii V.N., Khripach V.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://doklady.belnauka.by/jour/article/view/506">https://doklady.belnauka.by/jour/article/view/506</self-uri><abstract><p>Для проведения исследований молекулярных событий с участием брассиностероидов в живой клетке осуществлен синтез меченного флуоресцентным красителем BODIPY фитогормона 24-эпикастастерона. Отличительной особенностью полученного конъюгата является сохранение в его молекуле нативных функциональных группировок брассиностероидов, ответственных за физиологические эффекты данного класса соединений, что призвано обеспечить его эффективное связывание с соответствующим рецептором. В качестве ключевой стадии химического синтеза использована реакция азид-алкинового [3 +  2]-циклоприсоединения стероидного азида с содержащим ацетиленовый фрагмент BODIPY красителем.</p></abstract><trans-abstract xml:lang="en"><p>To carry out studies of molecular events involving brassinosteroids in a living cell, the synthesis of the phytohormone 24-epicastasterone labeled with a fluorescent dye BODIPY was performed. A distinctive feature of the conjugate obtained is the preservation in its molecule of native functional groups of brassinosteroids responsible for the physiological effects of this class of compounds, which is intended to ensure its effective binding to the corresponding receptor. The reaction of azide-alkyne [3 + 2]-cycloaddition of steroid azide with an acetylene BODIPY-containing dye fragment was used as a key stage in chemical synthesis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>брассиностероиды</kwd><kwd>эпикастастерон</kwd><kwd>BODIPY</kwd><kwd>флуоресцентные конъюгаты</kwd><kwd>азид-алкиновое [3 + 2]-циклоприсоединение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>brassinosteroids</kwd><kwd>epicastasterone</kwd><kwd>BODIPY</kwd><kwd>fluorescent conjugates</kwd><kwd>azide-alkyne [3 + 2]cycloaddition</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">Kuchmiy, A. A. Methods for in vivo molecular imaging / A. A. Kuchmiy, G. A. Efimov, S. A. Nedospasov // Biochemistry (Moscow). – 2012. – Vol. 77, N 12. – P. 1339–1353. DOI: 10.1134/s0006297912120012</mixed-citation><mixed-citation xml:lang="en">Kuchmiy A. A., Efimov G. A., Nedospasov S. A. 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