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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">10.29235/1561-8331-2026-62-2-95-106</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-1012</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>ФИЗИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Аргинина никотинаты: получение и свойства</article-title><trans-title-group xml:lang="en"><trans-title>Arginine nicotinates: preparation and properties</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0777-5517</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каранкевич</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Karankevich</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каранкевич Елена Григорьевна – кандидат химических наук, заведующий лабораторией.</p><p>Ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Karankevich Elena G. – Ph. D. (Chemistry), Head of the Laboratory.</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>Маркович</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Markovich</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маркович Марина Михайловна – научный сотрудник.</p><p>Ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Markovich Marina M. – Researcher.</p><p>13, Surganov Str., 220072, Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4624-4049</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Найденов</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 – научный сотрудник.</p><p>Ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Naidenov Vladimir E. – Researcher.</p><p>13, Surganov Str., 220072, Minsk</p></bio><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 – доктор химических наук, профессор, заведующий отделом.</p><p>Ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Kuvaeva Zoya I. – Dr. Sci. (Chemistry), Professor, Head of the Department.</p><p>13, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">lie@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 Национальной академии наук Беларуси</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>26</day><month>05</month><year>2026</year></pub-date><volume>62</volume><issue>2</issue><fpage>95</fpage><lpage>106</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каранкевич Е.Г., Маркович М.М., Найденов В.Э., Куваева З.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Каранкевич Е.Г., Маркович М.М., Найденов В.Э., Куваева З.И.</copyright-holder><copyright-holder xml:lang="en">Karankevich E.G., Markovich M.M., Naidenov V.E., Kuvaeva Z.I.</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/1012">https://vestichem.belnauka.by/jour/article/view/1012</self-uri><abstract><p>Получены и охарактеризованы новые производные аргинина и никотиновой кислоты с эссенциальными элементами – цинком и магнием. Разработан способ получения аргинина никотината со степенью чистоты 99,80 % и выходом 88,00 %, получены его ИК-, ЯМР-спектроскопические характеристики. Разработан способ получения цинки магний-производных аргинина никотината. На основании ЯМРи ИК-спектров подтверждена структура полученных соединений. С использованием элементного анализа и комплексонометрического титрования установлен состав исследуемых образцов. Содержание целевого компонента составило для цинк аргининникотината – 92,64 ± 0,32 %, для магний аргининникотината – 85,12 ± 0,81 %.</p></abstract><trans-abstract xml:lang="en"><p>New derivatives of arginine and nicotinic acid with essential elements zinc and magnesium were obtained and characterized. A method for producing arginine nicotinate with a purity of 99.80 % and a yield of 88.00 % has been developed, and its IR and NMR spectroscopic characteristics have been obtained. A method for obtaining zinc and magnesium derivatives of arginine nicotinate has been developed. Based on NMR and IR spectra, the structure of the obtained compounds was confirmed. The composition of the obtained samples was determined using elemental analysis and complexometric titration. The content of the target component for zinc arginine nicotinate was 92.64 ± 0.32 %, and for magnesium arginine nicotinate – 85.12 ± 0.81 %.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биологически активные вещества</kwd><kwd>аргинина никотинат</kwd><kwd>цинк аргининникотинат</kwd><kwd>магний аргининникотинат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biologically active substances</kwd><kwd>arginine nicotinate</kwd><kwd>zinc arginine nicotinate</kwd><kwd>magnesium arginine nicotinate</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">L-arginine in cardiovascular disease: dream or reality? / D. Tousoulis, C. Antoniades, C. 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