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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of General Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of General Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал общей химии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0044-460X</issn><issn publication-format="electronic">3034-5596</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">667433</article-id><article-id pub-id-type="doi">10.31857/S0044460X24030039</article-id><article-id pub-id-type="edn">FZHSIF</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Three-Component Synthesis of 5-Aryl(hetaryl)-4-aroyl-1-isobutyl-3-hydroxy-3-pyrroline-2-ones</article-title><trans-title-group xml:lang="ru"><trans-title>Трехкомпонентный синтез 5-арил(гетарил)-4-ароил-1-изобутил- 3-гидрокси-3-пирролин-2-онов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8512-0399</contrib-id><name-alternatives><name xml:lang="en"><surname>Gein</surname><given-names>V. L.</given-names></name><name xml:lang="ru"><surname>Гейн</surname><given-names>Владимир Леонидович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>geinvl48@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dianova</surname><given-names>D. G.</given-names></name><name xml:lang="ru"><surname>Дианова</surname><given-names>Д. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>geinvl48@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Senokosova</surname><given-names>O. O.</given-names></name><name xml:lang="ru"><surname>Сенокосова</surname><given-names>О. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>geinvl48@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6380-2543</contrib-id><name-alternatives><name xml:lang="en"><surname>Nosova</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Носова</surname><given-names>Наталья Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>geinvl48@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2489-2261</contrib-id><name-alternatives><name xml:lang="en"><surname>Buldakova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Булдакова</surname><given-names>Евгения Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>geinvl48@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4095-8366</contrib-id><name-alternatives><name xml:lang="en"><surname>Mokrushin</surname><given-names>I. G.</given-names></name><name xml:lang="ru"><surname>Мокрушин</surname><given-names>Иван Геннадьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>geinvl48@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Perm State Pharmaceutical Academy</institution></aff><aff><institution xml:lang="ru">Пермская государственная фармацевтическая академия Министерства здравоохранения Российской Федерации</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Perm State National Research University</institution></aff><aff><institution xml:lang="ru">Пермский государственный национальный исследовательский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2024</year></pub-date><volume>94</volume><issue>3</issue><fpage>342</fpage><lpage>349</lpage><history><date date-type="received" iso-8601-date="2025-02-26"><day>26</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://transsyst.ru/0044-460X/article/view/667433">https://transsyst.ru/0044-460X/article/view/667433</self-uri><abstract xml:lang="en"><p>A series of new 5-aryl(hetaryl)-4-aroyl-1-isobutyl-3-hydroxy-3-pyrrolin-2-ones were synthesized by reacting methyl esters of aroylpyruvic acids with aromatic (heterocyclic) aldehydes and isobutylamine in dioxane. Antimicrobial activity of the obtained compounds was studied <italic>in</italic><italic> </italic><italic>vitro</italic> against <italic>Staphylococcus</italic><italic> </italic><italic>aureus</italic>, <italic>Escherichia</italic><italic> </italic><italic>coli</italic> and C<italic>andida</italic><italic> </italic><italic>albicans</italic> strains.</p></abstract><trans-abstract xml:lang="ru"><p>Взаимодействием метиловых эфиров ароилпировиноградных кислот с ароматическими (гетероциклическими) альдегидами и изобутиламином в диоксане синтезирован ряд новых 5-арил(гетарил)-4-ароил-1-изобутил-3-гидрокси-3-пирролин-2-онов. Изучена противомикробная активность <italic>in</italic><italic> </italic><italic>vitro</italic> полученных соединений в отношении штаммов <italic>Staphylococcus</italic><italic> </italic><italic>aureus</italic>, <italic>Escherichia</italic><italic> </italic><italic>coli</italic><italic> </italic>и C<italic>andida</italic><italic> </italic><italic>albicans</italic>.</p></trans-abstract><kwd-group xml:lang="en"><kwd>aroylpyruvic acids</kwd><kwd>aromatic aldehydes</kwd><kwd>3-hydroxy-3-pyrrolin-2-ones</kwd><kwd>three-component synthesis</kwd><kwd>antimicrobial activity</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ароилпировиноградные кислоты</kwd><kwd>ароматические альдегиды</kwd><kwd>3-гидрокси-3-пирролин-2-оны</kwd><kwd>трехкомпонентный синтез</kwd><kwd>противомикробная активность</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Пермский научно-образовательный центр «Рациональное недропользование»</institution></institution-wrap><institution-wrap><institution xml:lang="en">Perm Scientific and Educational Center "Rational Subsoil Use"</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Марьясов М.А., Гейн В.Л. 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