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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/achb.1000</article-id><article-id custom-type="edn" pub-id-type="custom">FMPXDF</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-1542</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>ХИМИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Синтез несимметричных вторичных аминов и их антикоррозионная активность</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis of asymmetric secondary amines and their anticorrosive 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/0009-0002-4439-2440</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Акимова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Akimova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Акимова Елизавета Сергеевна, аспирант</p><p>450064, г. Уфа, ул. Космонавтов, 1</p></bio><bio xml:lang="en"><p>Elisaveta S. Akimova, Postgraduate Student</p><p>1, Kosmonavtov St., Ufa, 450064</p></bio><email xlink:type="simple">elizaveta_a@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6719-2359</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Султанова</surname><given-names>Р. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Sultanova</surname><given-names>R. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Султанова Римма Марсельевна, д.х.н., профессор</p><p>450064, г. Уфа, ул. Космонавтов, 1</p></bio><bio xml:lang="en"><p>Rimma M. Sultanova, Dr. Sci. (Chemistry), Professor</p><p>1, Kosmonavtov St., Ufa, 450064</p></bio><email xlink:type="simple">rimmams@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8673-5240</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рабаев</surname><given-names>Р. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Rabaev</surname><given-names>R. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рабаев Руслан Уралович, к.т.н., доцент</p><p>450064, г. Уфа, ул. Космонавтов, 1</p></bio><bio xml:lang="en"><p>Ruslan U. Rabaev, Cand. Sci. (Engineering), Associate Professor</p><p>1, Kosmonavtov St., Ufa, 450064</p></bio><email xlink:type="simple">nauka_ugntu@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6452-9454</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Борисова</surname><given-names>Ю. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisova</surname><given-names>Yu. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Борисова Юлианна Геннадьевна, к.х.н., доцент</p><p>450064, г. Уфа, ул. Космонавтов, 1</p></bio><bio xml:lang="en"><p>Yulianna G. Borisova, Cand. Sci. (Chemistry), Associate Professor</p><p>1, Kosmonavtov St., Ufa, 450064</p></bio><email xlink:type="simple">yulianna_borisova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6365-5010</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Злотский</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zlotsky</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Злотский Семён Соломонович, д.х.н., профессор, заведующий кафедрой</p><p>450064, г. Уфа, ул. Космонавтов, 1</p></bio><bio xml:lang="en"><p>Semen S. Zlotskii, Dr. Sci. (Chemistry), Professor, Head of the Department</p><p>1, Kosmonavtov St., Ufa, 450064</p></bio><email xlink:type="simple">nocturne@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уфимский государственный нефтяной технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ufa State Petroleum Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>07</day><month>11</month><year>2025</year></pub-date><volume>15</volume><issue>4</issue><fpage>456</fpage><lpage>464</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Акимова Е.С., Султанова Р.М., Рабаев Р.У., Борисова Ю.Г., Злотский С.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Акимова Е.С., Султанова Р.М., Рабаев Р.У., Борисова Ю.Г., Злотский С.С.</copyright-holder><copyright-holder xml:lang="en">Akimova E.S., Sultanova R.M., Rabaev R.U., Borisova Y.G., Zlotsky S.S.</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://vuzbiochemi.elpub.ru/jour/article/view/1542">https://vuzbiochemi.elpub.ru/jour/article/view/1542</self-uri><abstract><p>Поиск новых ингибиторов коррозии является актуальным и важным направлением развития современной химической отрасли ввиду необходимости защиты металлических конструкций и оборудования от разрушительного воздействия агрессивных сред. Коррозия значительно снижает долговечность и надежность металлических изделий, что ведет к увеличению эксплуатационных расходов, повышает риск аварий и негативно сказывается на экологической безопасности, в связи с чем представляется актуальным синтез соединений с потенциально возможным антикоррозионным действием. С целью расширения рядов таких веществ при помощи конденсации циклических альдегидов и первичных аминов, а также восстановления продуктов конденсации получены вторичные амины. Строение синтезированных соединений подтверждено методами инфракрасной спектроскопии, спектроскопии ядерного магнитного резонанса (1Н, 13С). В инфракрасных спектрах синтезированных азометинов наблюдаются характерные для иминов полосы поглощения валентных колебаний связей C=N при 1650–1570 см-1. В спектрах ядерного магнитного резонанса 1Н протоны азометиновой группы резонируют в области 8,15–8,25 м.д., в спектрах ядерного магнитного резонанса 13С атомы углерода иминной группы проявляются в области δс 158,00–161,00 м.д. Способность полученных соединений препятствовать коррозии в модельной среде была проверена гравиметрическим методом. Оценка защитных свойств исследованных соединений проводилась электрохимическим методом. Результаты коррозионной активности полученных соединений соотносятся с данными, приведенными в библиографических источниках. Наиболее высокий результат показал вторичный амин 2-((2-((4-хлорбензил)амино)этил)амино)этан-1-ол, проявляющий антикоррозионные свойства в сероводородной среде и обеспечивающий степень защиты, равную 97%.</p></abstract><trans-abstract xml:lang="en"><p>Given the need to protect metal structures and equipment from the destructive effects of aggressive media, the search for new corrosion inhibitors constitutes a relevant and important area of development in the modern chemical industry. Corrosion significantly reduces the durability and reliability of metal products, which increases maintenance costs and the risk of failures, while also negatively affecting environmental safety. Therefore, it is relevant to synthesize compounds with potential anticorrosive properties. In order to expand the range of such substances, secondary amines were obtained by condensing cyclic aldehydes and primary amines, as well as by reducing condensation products. The structure of the synthesized compounds was confirmed via infrared spectroscopy and nuclear magnetic resonance spectroscopy (1H and 13C). The infrared spectra of the synthesized azomethines reveal imine-characteristic C=N stretch absorption bands at 1650–1570 cm-1. In the 1H nuclear magnetic resonance spectra, the protons of the azomethine group resonate at 8.15–8.25 ppm; the 13C nuclear magnetic resonance spectra reveal the carbon atoms of the imine group at δc of 158.00–161.00 ppm. The ability of the obtained compounds to inhibit corrosion in a model medium was tested using a gravimetric method. Their protective properties were evaluated using an electrochemical method. The properties of the obtained compounds are consistent with data presented in bibliographic sources. The best result was obtained for the secondary amine 2-((2-((4-chlorobenzyl) amino)ethyl)amino)ethan-1-ol, which exhibits anticorrosive properties in a hydrogen sulfide medium and provides a 97% protection level.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>имины</kwd><kwd>основания Шиффа</kwd><kwd>восстановление</kwd><kwd>амины</kwd><kwd>конденсация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>imines</kwd><kwd>Schiff bases</kwd><kwd>reduction</kwd><kwd>amines</kwd><kwd>condensation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке программы развития Уфимского государственного нефтяного технического университета «Приоритет-2030» (Лидерский проект 2025 года № Б17619).</funding-statement><funding-statement xml:lang="en">The work was carried out with the financial support of the development program of the Ufa State Petroleum Technological University “Priority 2030” (Leadership Project of 2025 no. 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