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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">676652</article-id><article-id pub-id-type="doi">10.31857/S0044460X24100023</article-id><article-id pub-id-type="edn">RFQPWH</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">Synthesis of 2-alkyl-1,2,4-triazolo[3,4-<italic>a</italic>]isoquinolin-2-ium bromides and hexafluorophosphates</article-title><trans-title-group xml:lang="ru"><trans-title>Синтез бромидов и гексафторфосфатов 2-алкил-1,2,4-триазоло[3,4-<italic>a</italic>]изохинолин-2-ия</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-1397-6631</contrib-id><name-alternatives><name xml:lang="en"><surname>Ermakova</surname><given-names>L. S.</given-names></name><name xml:lang="ru"><surname>Ермакова</surname><given-names>Л. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>glusha55@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-9777-0658</contrib-id><name-alternatives><name xml:lang="en"><surname>Leont’ev</surname><given-names>N. O.</given-names></name><name xml:lang="ru"><surname>Леонтьев</surname><given-names>Н. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>glusha55@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8817-0543</contrib-id><name-alternatives><name xml:lang="en"><surname>Denisov</surname><given-names>M. S.</given-names></name><name xml:lang="ru"><surname>Денисов</surname><given-names>М. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>glusha55@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2261-8122</contrib-id><name-alternatives><name xml:lang="en"><surname>Borisova</surname><given-names>I. А.</given-names></name><name xml:lang="ru"><surname>Борисова</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>glusha55@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0731-3400</contrib-id><name-alternatives><name xml:lang="en"><surname>Dmitriev</surname><given-names>М. V.</given-names></name><name xml:lang="ru"><surname>Дмитриев</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>glusha55@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6493-7351</contrib-id><name-alternatives><name xml:lang="en"><surname>Glushkov</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Глушков</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>glusha55@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Technical Chemistry, Perm Federal Research Center, Ural Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт технической химии Пермского федерального исследовательского центра Уральского отделения Российской академии наук</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><aff-alternatives id="aff3"><aff><institution xml:lang="en">Perm State National Research University</institution></aff><aff><institution xml:lang="ru">Институт технической химии Пермского федерального исследовательского центра Уральского отделения Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2024</year></pub-date><volume>94</volume><issue>10</issue><fpage>1021</fpage><lpage>1031</lpage><history><date date-type="received" iso-8601-date="2025-03-03"><day>03</day><month>03</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/676652">https://transsyst.ru/0044-460X/article/view/676652</self-uri><abstract xml:lang="en"><p>Alkylation of 1,2,4-triazolo[3,4-<italic>a</italic>]isoquinolines with 1-bromoalkanes was carried out under microwave synthesis conditions; the resulting 2-alkyl-1,2,4-triazolo[3,4-<italic>a</italic>]isoquinolin-2-ium bromides were converted into hexafluorophosphates and characterized by high-resolution mass spectrometry, <sup>1</sup>H, <sup>13</sup>C NMR spectroscopy and X-ray diffraction analysis.</p></abstract><trans-abstract xml:lang="ru"><p>Осуществлено алкилирование 1,2,4-триазоло[3,4-<italic>а</italic>]изохинолинов 1-бромалканами в условиях микроволнового синтеза; полученные бромиды 2-алкил-1,2,4-триазоло[3,4-<italic>а</italic>]изохинолин-2-ия переведены в гексафторфосфаты и охарактеризованы методами масс-спектрометрии высокого разрешения, спектроскопии ЯМР <sup>1</sup>Н, <sup>13</sup>С и рентгеноструктурного анализа.</p></trans-abstract><kwd-group xml:lang="en"><kwd>1,2,4-triazoles</kwd><kwd>isoquinolines</kwd><kwd>alkylation</kwd><kwd>microwave synthesis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>1,2,4-триазолы</kwd><kwd>изохинолины</kwd><kwd>алкилирование</kwd><kwd>микроволновый синтез</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>124021400012-1</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Pan Y., Tian R., Chen Y., Wang L., Qin H., Wang J. // Tetrahedron. 2023. 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