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Polarization-Enhanced Hydrogen Bonding in 1,8-Dihydroxynaphthalene: Conformational Analysis, Binding Studies and Hydrogen Bonding Catalysis

Mammadova, Flora; Hamarat, Busra; Ahmadli, Dilgam; Sahin, Onur; Bozkaya, Ugur; Turkmen, Yunus E.


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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/6827</identifier>
  <creators>
    <creator>
      <creatorName>Mammadova, Flora</creatorName>
      <givenName>Flora</givenName>
      <familyName>Mammadova</familyName>
      <affiliation>Bilkent Univ, Fac Sci, Dept Chem, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Hamarat, Busra</creatorName>
      <givenName>Busra</givenName>
      <familyName>Hamarat</familyName>
      <affiliation>Hacettepe Univ, Dept Chem, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Ahmadli, Dilgam</creatorName>
      <givenName>Dilgam</givenName>
      <familyName>Ahmadli</familyName>
      <affiliation>Bilkent Univ, Fac Sci, Dept Chem, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Sahin, Onur</creatorName>
      <givenName>Onur</givenName>
      <familyName>Sahin</familyName>
      <affiliation>Sinop Univ, Sci &amp; Technol Res Applicat &amp; Res Ctr, TR-57000 Sinop, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Bozkaya, Ugur</creatorName>
      <givenName>Ugur</givenName>
      <familyName>Bozkaya</familyName>
      <affiliation>Hacettepe Univ, Dept Chem, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Turkmen, Yunus E.</creatorName>
      <givenName>Yunus E.</givenName>
      <familyName>Turkmen</familyName>
    </creator>
  </creators>
  <titles>
    <title>Polarization-Enhanced Hydrogen Bonding In 1,8-Dihydroxynaphthalene: Conformational Analysis, Binding Studies And Hydrogen Bonding Catalysis</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2020</publicationYear>
  <dates>
    <date dateType="Issued">2020-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/6827</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1002/slct.202002960</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">In this article, the presence and effects of polarization-enhanced hydrogen bonding in 1,8-dihydroxynaphthalene (1,8-DHN) were investigated in detail through a series of experimental and computational studies. First, the conformation of 1,8-DHN, and its ability to make intra- and intermolecular hydrogen bonds were investigated in solid state by X-ray crystallography, in solution by NMR spectroscopy, and computationally by density functional theory. Second, equilibrium binding constants, which were determined by P-31-NMR titration studies, demonstrated stronger complexation of Ph3PO with 1,8-DHN compared to mono-naphthol derivatives 8-methoxy-1-naphthol and 1-naphthol. In the final section, 1,8-DHN was observed to be an effective catalyst for the Friedel-Crafts-type addition reaction of indoles to beta-nitrostyrenes, and a rationale for this catalytic activity was provided via computational studies. All the findings described in this work support the enhanced hydrogen bond donating ability of 1,8-DHN due to polarization caused by the six-membered intramolecular hydrogen bond present in its structure.</description>
  </descriptions>
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