1 Ocak 2003 Dergi makalesi Açık Erişim

Klymchenko, AS; Pivovarenko, VG; Demchenko, AP

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/93679</identifier>
  <creators>
    <creator>
      <creatorName>Klymchenko, AS</creatorName>
      <givenName>AS</givenName>
      <familyName>Klymchenko</familyName>
    </creator>
    <creator>
      <creatorName>Pivovarenko, VG</creatorName>
      <givenName>VG</givenName>
      <familyName>Pivovarenko</familyName>
    </creator>
    <creator>
      <creatorName>Demchenko, AP</creatorName>
      <givenName>AP</givenName>
      <familyName>Demchenko</familyName>
    </creator>
  </creators>
  <titles>
    <title>Perturbation Of Planarity As The Possible Mechanism Of Solvent-Dependent Variations Of Fluorescence Quantum Yield In 2-Aryl-3-Hydroxychromones</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2003</publicationYear>
  <dates>
    <date dateType="Issued">2003-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/93679</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.81043/aperta.93678</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.81043/aperta.93679</relatedIdentifier>
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  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
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  <descriptions>
    <description descriptionType="Abstract">In order to understand the unexpectedly low quantum yields of 3-hydroxyflavones (3-HFs) in certain solvents, such as acetonitrile or ethyl acetate, the comparative study of solvent-dependent properties of parent 3-HF, 2-furyl-3-hydroxychromone and 2-benzofuryl-3-hydroxychromone derivatives have been pin-formed. The results suggest that the formation of intermolecular hydrogen bond of 3-hydroxy group with the solvent favors non-planar conformations of phenyl group with respect to chromone system. This steric hindrance is not observed in the case of furan- and benzofuran-substituted 3-hydroxychromones (3-HCs). These results suggesting, new strategy for dramatic improvement of fluorescence properties of 3-HCs as two-wavelength ratiometric fluorescence probes. (C) 2002 Elsevier Science B.V. All rights reserved.</description>
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