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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Doklady Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Doklady Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Российской академии наук. Химия, науки о материалах</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-9535</issn><issn publication-format="electronic">3034-5111</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">651933</article-id><article-id pub-id-type="doi">10.31857/S2686953523600113</article-id><article-id pub-id-type="edn">BJLCVA</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ХИМИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">STEARIN AS A STARTING MATERIAL FOR THE SYNTHESIS OF BIOLOGICALLY ACTIVE IONIC LIQUIDS</article-title><trans-title-group xml:lang="ru"><trans-title>Стеарин как субстрат для синтеза биологически активных ионных жидкостей</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Seitkalieva</surname><given-names>M. M.</given-names></name><name xml:lang="ru"><surname>Сейткалиева</surname><given-names>М. М.</given-names></name></name-alternatives><email>s_marina@ioc.ac.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vavina</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Вавина</surname><given-names>А. В.</given-names></name></name-alternatives><email>s_marina@ioc.ac.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Strukova</surname><given-names>E. N.</given-names></name><name xml:lang="ru"><surname>Струкова</surname><given-names>Е. Н.</given-names></name></name-alternatives><email>s_marina@ioc.ac.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт органической химии им. Н.Д. Зелинского, Российская академия наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Gause Institute of New Antibiotics, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт 
по изысканию новых антибиотиков имени Г.Ф. Гаузе</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-11-01" publication-format="electronic"><day>01</day><month>11</month><year>2023</year></pub-date><volume>513</volume><issue>1</issue><fpage>67</fpage><lpage>76</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, М.М. Сейткалиева, А.В. Вавина, Е.Н. Струкова</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, М.М. Сейткалиева, А.В. Вавина, Е.Н. Струкова</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">М.М. Сейткалиева, А.В. Вавина, Е.Н. Струкова</copyright-holder><copyright-holder xml:lang="ru">М.М. Сейткалиева, А.В. Вавина, Е.Н. Струкова</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2686-9535/article/view/651933">https://journals.eco-vector.com/2686-9535/article/view/651933</self-uri><abstract xml:lang="en"><p id="idm45257549016096">For the first time, the possibility of using widely available stearin for the production of fatty acid-derived ionic liquids (ILs) has been shown. New amphiphilic ILs based on imidazolium, pyridinium, and quaternary ammonium cations containing long-chain alkyl substituents were obtained. The synthesized compounds are shown to have biological activity comparable to known antimicrobial compounds. ILs with one alkyl substituent have higher cytotoxicity and antimicrobial activity compared to disubstituted derivatives.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45257549015440">Впервые показана принципиальная возможность использования широко доступного стеарина для получения ионных жидкостей (ИЖ) жирного ряда. Были получены новые амфифильные ИЖ на основе катионов имидазолия, пиридиния и четвертичных соединений аммония, содержащие длинноцепочечные алкильные заместители. Показано, что синтезированные соединения обладают биологической активностью, сравнимой с известными антимикробными препаратами. Установлено, что ИЖ с одним алкильным заместителем имеют более высокую цитотоксичность и антимикробную активность, по сравнению с дизамещенными производными.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ionic liquids</kwd><kwd>stearin</kwd><kwd>cytotoxicity</kwd><kwd>antimicrobial activity</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ионные жидкости</kwd><kwd>стеарин</kwd><kwd>цитотоксичность</kwd><kwd>антимикробная активность</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы благодарят к.б.н. К.С. Егорову за помощь в организации экспериментов по определению цитотоксичности соединений и к.х.н. К.И. 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