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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</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">vestich-74</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>ОРГАНИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORGANIC CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Препаративный синтез пролиллейцилпролина</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis of prolylleucylproline</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>Юшкин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yushkin</surname><given-names>D. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Барташевич</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bartashevich</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Зубрейчук</surname><given-names>З. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Zubreichuk</surname><given-names>Z. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Мурашова</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Murashova</surname><given-names>M. Yu.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Попова</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Popova</surname><given-names>L. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Книжников</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Knizhnikov</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт физико-органической химии НАН Беларуси</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>08</day><month>06</month><year>2016</year></pub-date><volume>0</volume><issue>4</issue><fpage>56</fpage><lpage>61</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Юшкин Д.В., Барташевич В.А., Зубрейчук З.П., Мурашова М.Ю., Попова Л.А., Книжников В.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Юшкин Д.В., Барташевич В.А., Зубрейчук З.П., Мурашова М.Ю., Попова Л.А., Книжников В.А.</copyright-holder><copyright-holder xml:lang="en">Yushkin D.V., Bartashevich V.A., Zubreichuk Z.P., Murashova M.Y., Popova L.A., Knizhnikov V.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://vestichem.belnauka.by/jour/article/view/74">https://vestichem.belnauka.by/jour/article/view/74</self-uri><abstract><p>С использованием трифторацетильной и трет-бутоксикарбонильной аминозащитных групп предложены препаративные методы синтеза пролиллейцилпролина. Физико-химические характеристики полученных образцов трипептида практически совпадают, что может свидетельствовать об отсутствии процессов рацемизации на всех стадиях синтеза пролиллейцилпролина с применением трифторацетильной защитной группы.</p></abstract><trans-abstract xml:lang="en"><p>Using trifluoracetyl and tert-butoxycarbonyl protection for amine groups, preparative methods for synthesis of prolylleucylproline have been developed.</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">Takashi A., Hiroshi S. // Chem. Pharm. Bull. 1987. Vol. 35, N 9. P. 3757-3765.</mixed-citation><mixed-citation xml:lang="en">Takashi A., Hiroshi S. // Chem. Pharm. Bull. 1987. Vol. 35, N 9. 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