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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">From Chemistry Towards Technology Step-By-Step</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">From Chemistry Towards Technology Step-By-Step</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>От химии к технологии шаг за шагом</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="online">2782-1900</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">82498</article-id>
   <article-id pub-id-type="doi">10.52957/27821900_2021_04_25</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Научные статьи</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Scientific articles</subject>
    </subj-group>
    <subj-group>
     <subject>Научные статьи</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Comparative quantum-chemical analysis of the reactivity of 1-phenilbut-2-en-3-tyon and 2-(N-pirrolidinil)pent-2-en-4-tyon as heterodiens in the Diels - Alder reaction</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Сравнительный квантово-химический анализ реакционной способности  1-фенилбут-2-ен-3-тиона и 2 (N пирролидинил)пент-2-ен-4-тиона в роли гетеродиенов в реакции Дильса Альдера</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Овчинников</surname>
       <given-names>Константин Львович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Ovchinnikov</surname>
       <given-names>Konstantin L'vovich</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>кандидат химических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of chemical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Карпов</surname>
       <given-names>И Д</given-names>
      </name>
      <name xml:lang="en">
       <surname>Karpov</surname>
       <given-names>I D</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Старостин</surname>
       <given-names>Михаил Витальевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Starostin</surname>
       <given-names>Mihail Vital'evich</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Колобов</surname>
       <given-names>Алексей Владиславович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kolobov</surname>
       <given-names>Alexey Vladislavovich</given-names>
      </name>
     </name-alternatives>
     <bio xml:lang="ru">
      <p>доктор химических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of chemical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Ярославский государственный технический университет</institution>
    </aff>
    <aff>
     <institution xml:lang="en">Yaroslavl State Technical University</institution>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2021-12-23T00:00:00+03:00">
    <day>23</day>
    <month>12</month>
    <year>2021</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2021-12-23T00:00:00+03:00">
    <day>23</day>
    <month>12</month>
    <year>2021</year>
   </pub-date>
   <volume>2</volume>
   <issue>4</issue>
   <fpage>25</fpage>
   <lpage>28</lpage>
   <history>
    <date date-type="received" iso-8601-date="2021-12-06T00:00:00+03:00">
     <day>06</day>
     <month>12</month>
     <year>2021</year>
    </date>
    <date date-type="accepted" iso-8601-date="2021-12-09T00:00:00+03:00">
     <day>09</day>
     <month>12</month>
     <year>2021</year>
    </date>
   </history>
   <self-uri xlink:href="https://chemintech.ru/en/nauka/article/82498/view">https://chemintech.ru/en/nauka/article/82498/view</self-uri>
   <abstract xml:lang="ru">
    <p>Проведено квантово-химическое моделирование методом AM1 гетерореакции Дильса Альдера 1-фенилбут-2-ен-3-тиона и 2 (N пирролидинил)пент 2-ен-4-тиона с симметричными диенофилами. Рассчитаны энергии ВЗМО диенов и НСМО диенофилов, а также энергии активации соответствующих реакций. В результате анализа полученных данных показано, что данная реакция обладает прямыми электронными требованиями, обозначена принципиальная возможность реакции 2 (N пирролидинил)пент-2-ен-4-тиона с электроноизбыточными диенофилами, обосновано значительное различие в реакционной способности диенофилов норборненового и циклогексенового рядов с α,β-непредельными тиокарбонильными соединениями.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>We performed quantum-chemical AM1 modelling of the Diels-Alder hetero-reaction of 1-phenylbut-2-ene-3-thione and 2-(N-pyrrolidinyl)pent-2-ene-4-thione with symmetrical dienophiles. We calculated the HOMO/LUMO energies of dienes and dienophiles as well as the activation energies of the corre-sponding reactions. The reaction has direct electron requirements. The principal possibility of the reaction of 2-(N-pyrrolidinyl)pent-2-ene-4-thione with electron-excessive dienophiles was outlined. Also we proved the significant difference in the reactivity of norbornene and cyclohexene dienophiles with α,β-unsaturated thiocarbonyl compounds.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>непредельные тиокарбонильные соединения</kwd>
    <kwd>гетерореакция Дильса-Альдера</kwd>
    <kwd>синтез тиопиранов</kwd>
    <kwd>квантово-химическое моделирование</kwd>
    <kwd>метод AM1</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>unsaturated thiocarbonyl com-pounds</kwd>
    <kwd>the Diels-Alder hetero-reaction</kwd>
    <kwd>thiopyranes synthesis</kwd>
    <kwd>quantum-chemical modelling</kwd>
    <kwd>AM1 method</kwd>
   </kwd-group>
  </article-meta>
 </front>
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