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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">651974</article-id><article-id pub-id-type="doi">10.31857/S2686953522600362</article-id><article-id pub-id-type="edn">OUSPBB</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">DIPINODIAZAFLUORENES AS REAGENTS FOR SELECTIVE EXTRACTION OF PALLADIUM, GOLD AND RUTHENIUM</article-title><trans-title-group xml:lang="ru"><trans-title>Дипинодиазафлуорены как реагенты для селективной экстракции палладия, золота и рутения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zubricheva</surname><given-names>D. V.</given-names></name><name xml:lang="ru"><surname>Зубричева</surname><given-names>Д. В.</given-names></name></name-alternatives><email>atkachev@nioch.nsc.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vasilyev</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Васильев</surname><given-names>Е. С.</given-names></name></name-alternatives><email>atkachev@nioch.nsc.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bizyaev</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Бизяев</surname><given-names>С. Н.</given-names></name></name-alternatives><email>atkachev@nioch.nsc.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tikhova</surname><given-names>V. D.</given-names></name><name xml:lang="ru"><surname>Тихова</surname><given-names>В. Д.</given-names></name></name-alternatives><email>atkachev@nioch.nsc.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tkachev</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Ткачев</surname><given-names>А. В.</given-names></name></name-alternatives><email>atkachev@nioch.nsc.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of Siberian Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Федеральное государственное бюджетное учреждение науки Новосибирский институт органической химии 
им. Н.Н. Ворожцова Сибирского отделения Российской академии наук (НИОХ СО РАН)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-05-01" publication-format="electronic"><day>01</day><month>05</month><year>2023</year></pub-date><volume>510</volume><issue>1</issue><fpage>35</fpage><lpage>39</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, Д.В. Зубричева, Е.С. Васильев, С.Н. Бизяев, В.Д. Тихова, А.В. Ткачев</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Д.В. Зубричева, Е.С. Васильев, С.Н. Бизяев, В.Д. Тихова, А.В. Ткачев</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Д.В. Зубричева, Е.С. Васильев, С.Н. Бизяев, В.Д. Тихова, А.В. Ткачев</copyright-holder><copyright-holder xml:lang="ru">Д.В. Зубричева, Е.С. Васильев, С.Н. Бизяев, В.Д. Тихова, А.В. Ткачев</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2686-9535/article/view/651974">https://journals.eco-vector.com/2686-9535/article/view/651974</self-uri><abstract xml:lang="en"><p id="idm45181323879168">Dipinodiazafluorenes are hybrid nopinane-annelated heterocycles whose molecules include a heterocyclic core of 4,5-diazafluorene condensed with fragments of terpene hydrocarbon, capable of selectively extracting palladium (88−100%), gold (42−96%) and ruthenium (8−19%) by single extraction from acidic aqueous solutions (pH 1.2) containing complex mixtures of 3<italic>d</italic>-elements and precious metals.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181323878368">Дипинодиазафлуорены – гибридные нопинан-аннелированные гетероциклы, молекулы которых включают гетероциклическое ядро 4,5-диазафлуорена, конденсированное с фрагментами терпенового углеводорода, способны селективно экстрагировать палладий (88–100%), золото (42–96%) и рутений (8–19%) при однократной экстракции из кислых водных растворов (рН 1.2), содержащих сложные смеси 3<italic>d</italic>-элементов и благородных металлов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>4,5-diazafluorene</kwd><kwd>dipinodiazafluorene</kwd><kwd>pinene</kwd><kwd>selective extraction</kwd><kwd>noble metals</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>4,5-диазафлуорен</kwd><kwd>дипинодиазафлуорен</kwd><kwd>пинен</kwd><kwd>селективная экстракция</kwd><kwd>благородные металлы</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность Химическому исследовательскому центру коллективного пользования СО РАН за проведение спектральных и аналитических измерений.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Hagelüken C. // Platinum Met. 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