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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 pub-id-type="doi">10.29235/1561-8323-2021-65-6-702-707</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1022</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>Трансформации формильных предшественников 3,7-интерфениленовых 11-дезоксипростаноидов в кислой среде</article-title><trans-title-group xml:lang="en"><trans-title>Transformations of 3,7-interphenylene 11-deoxyprostanoid formyl precursors in the acidic medium</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>Пашковский</surname><given-names>Ф. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Pashkovsky</surname><given-names>F. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пашковский Феликс Сигизмундович – канд. хим. наук, заведующий лабораторией</p><p>ул. Купревича, 5/2, 220141, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Pashkovsky Felix S. – Ph. D. (Chemistry), Head of the Laboratory</p><p>5/2, Kuprevich Str., 220141, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">pashkovsky61@mail.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>Корнеев</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Korneev</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Корнеев Дмитрий Игоревич – магистр хим. наук, мл. науч. сотрудник</p><p>ул. Купревича, 5/2, 220141, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Korneev Dmitry I. – Master of Chemistry, Junior researcher</p><p>5/2, Kuprevich Str., 220141, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">nocterumm@gmail.com</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>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><bio xml:lang="ru"><p>Лахвич Федор Адамович – академик, д-р хим. наук, профессор, гл. науч. сотрудник</p><p>ул. Купревича, 5/2, 220141, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Lakhvich Fedor A. – Academician, D. Sc. (Chemistry), Professor, Chief researcher</p><p>5/2, Kuprevich Str., 220141, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">lakhvich@iboch.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биоорганической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2021</year></pub-date><volume>65</volume><issue>6</issue><fpage>702</fpage><lpage>707</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пашковский Ф.С., Корнеев Д.И., Лахвич Ф.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Пашковский Ф.С., Корнеев Д.И., Лахвич Ф.А.</copyright-holder><copyright-holder xml:lang="en">Pashkovsky F.S., Korneev D.I., 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/1022">https://doklady.belnauka.by/jour/article/view/1022</self-uri><abstract><p>Показано, что формильные предшественники 3,7-интерфениленовых 11-дезоксипростаноидов, образующиеся при кислотном гидролизе соответствующих ацеталей, в кислой среде могут претерпевать изомеризацию (диспропорционирование) с образованием 2-(арилалкил)-3-(гидроксиметил)циклопент-2-ен-1-онов – синтонов для простаноидов и фитопростанов серии В. При наличии же электронодонорного алкоксильного заместителя в положении 3′ ароматического фрагмента α-цепи ацетальных предшественников 3,7-интерфениленовых 11-дезоксианалогов простагландинов образующиеся на их основе формилпроизводные в аналогичных условиях спонтанно циклизуются с образованием 2,3,4,9-тетрагидро-1Н-циклопента[b]нафтален-1-онов.</p></abstract><trans-abstract xml:lang="en"><p>It has been shown that the formyl precursors of 3,7-interphenylene 11-deoxyprostanoids, formed during acidic hydrolysis of the corresponding acetals, can undergo isomerization (disproportionation) in the acidic medium to give 2-(arylalkyl)-3-(hydroxymethyl)cyclopent-2-ene-1-ones – the synthons for prostanoids and phytoprostanes of the series B. Acetal precursors of 3,7-interphenylene 11-deoxyprostaglandin analogues with electron-donating alkoxy substituent in position 3′ of the aromatic fragment in the α-chain under similar conditions hydrolyze with the formation of formyl derivatives that spontaneously cyclize to produce 2,3,4,9-tetrahydro-1H-cyclopenta[b]naphthalene-1-ones.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>2-(арилалкил)-3-оксоциклопентан-1-карбальдегиды</kwd><kwd>изомеризация</kwd><kwd>диспропорционирование</kwd><kwd>2-(арилалкил)-3-(гидроксиметил)циклопент-2-ен-1-оны</kwd><kwd>2</kwd><kwd>3</kwd><kwd>4</kwd><kwd>9-тетрагидро-1Н-циклопента[b]нафтален-1-оны</kwd></kwd-group><kwd-group xml:lang="en"><kwd>2-(arylalkyl)-3-oxocyclopentane-1-carbaldehydes</kwd><kwd>isomerization</kwd><kwd>disproportionation</kwd><kwd>2-(arylalkyl)-3-(hydroxymethyl) cyclopent-2-en-1-ones</kwd><kwd>2</kwd><kwd>3</kwd><kwd>4</kwd><kwd>9-tetrahydro-1H-cyclopenta[b]naphthalene-1-ones</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Collins, P. 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