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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-229</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>ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>СИНТЕЗ КОНЪЮГАТОВ ПЕНТАЦИКЛИЧЕСКИХ ТРИТЕРПЕНОВЫХ КИСЛОТ РЯДА ЛУПАНА С ПРОИЗВОДНЫМИ 6,7-ДИГИДРО-1Н-ИНДАЗОЛ-4(5Н)-ОНОВ</article-title><trans-title-group xml:lang="en"><trans-title>SYNTHESIS OF CONJUGATES OF PENTACYCLIC TRITERPENE ACIDS OF LUPANE GROUP WITH 6,7-DIHYDRO-1H-INDAZOL-4(5H)-ONE DERIVATIVES</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ХЛЕБНИКОВА</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>KHLEBNICOVA</surname><given-names>T. S.</given-names></name></name-alternatives><email xlink:type="simple">khlebnicova@iboch.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ПИВЕНЬ</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>PIVEN</surname><given-names>Yu. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ЛАХВИЧ</surname><given-names>Ф. А.</given-names></name><name name-style="western" xml:lang="en"><surname>LAKHVICH</surname><given-names>F. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт биоорганической химии НАН Беларуси, Минск</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>09</day><month>06</month><year>2016</year></pub-date><volume>58</volume><issue>3</issue><fpage>77</fpage><lpage>81</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ХЛЕБНИКОВА Т.С., ПИВЕНЬ Ю.А., ЛАХВИЧ Ф.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">ХЛЕБНИКОВА Т.С., ПИВЕНЬ Ю.А., ЛАХВИЧ Ф.А.</copyright-holder><copyright-holder xml:lang="en">KHLEBNICOVA T.S., PIVEN Y.A., LAKHVICH F.A.</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://doklady.belnauka.by/jour/article/view/229">https://doklady.belnauka.by/jour/article/view/229</self-uri><abstract><p>Разработаны и реализованы подходы к синтезу конъюгатов бетулоновой и бетулиновой кислот с производными 6,7-дигидро-1Н-индазол-4(5Н)-онов. Конъюгат бетулоновой кислоты получен ацилированием оксима 1-арил-3-(перфторалкил)-6,7-дигидро-1H-индазол-4(5H)-она хлорангидридом бетулоновой кислоты. Cинтез конъюгата бетулиновой кислоты осуществлен путем ацилирования 7-амино-3-перфторалкил-1-арил-6,7-дигидро-1H-индазол-4(5H)-она хлорангидридом 3-О-(2-хлоро-2-оксоацетил)бетулиновой кислоты.</p></abstract><trans-abstract xml:lang="en"><p>Approaches to a synthesis of new conjugates of betulonic and betulinic acids with 6,7-dihydro-1H-indazol-4(5H)-one derivatives had been developed and realized. Conjugate of betulonic acid was obtained via the acylation of 1-aryl-3-perfluoroalkyl-6,7-dihydro-1H indazol-4(5H)-one oxime with betulonic chloride. The synthesis of conjugate of betulinic acid was accomplished via the acylation of 7-amino-1-aryl-3-perfluoroalkyl-6,7-dihydro-1H indazol-4(5H)-one with 3-O-(2-chloro-2-oxoacetyl)betulinic chloride.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Newman D. J., Cragg G. M. // J. Nat. Prod. 2007. Vol. 70, N 3. P. 461–477.</mixed-citation><mixed-citation xml:lang="en">Newman D. J., Cragg G. M. // J. Nat. Prod. 2007. Vol. 70, N 3. P. 461–477.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Decker M. // Curr. Med. Chem. 2011. Vol. 18, N 10. P. 1464–1475.</mixed-citation><mixed-citation xml:lang="en">Decker M. // Curr. Med. Chem. 2011. Vol. 18, N 10. 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