1 Ocak 2001 Dergi makalesi Açık Erişim

Klymchenko, AS; Ozturk, T; Pivovarenko, VG; Demchenko, AP

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/95587</identifier>
  <creators>
    <creator>
      <creatorName>Klymchenko, AS</creatorName>
      <givenName>AS</givenName>
      <familyName>Klymchenko</familyName>
    </creator>
    <creator>
      <creatorName>Ozturk, T</creatorName>
      <givenName>T</givenName>
      <familyName>Ozturk</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>Synthesis And Spectroscopic Properties Of Benzo- And Naphthofuryl-3-Hydroxychromones</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2001</publicationYear>
  <dates>
    <date dateType="Issued">2001-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/95587</alternateIdentifier>
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  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.81043/aperta.95586</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.81043/aperta.95587</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">With the focus of designing new fluorescent probes, four new 3-hydroxy-chromone derivatives bearing benzofuran and naphthofuran groups were synthesized. They show bathochromic absorption shifts relative to 3-hydroxyflavone with the ability of retention to display the excited-state proton transfer. Disruption of the planarity by the methyl group in the furan ring leads to a decrease of both the extinction coefficient and the contribution of long wavelength absorption band, while molecules without a methyl group showed two distinct absorption bands. Shifts to longer wavelengths are also observed in fluorescent spectra, and the absence of the methyl group results in a dramatic increase of fluorescence quantum yield and lifetime. Of the extended 3-hydroxychromone derivatives, 3-hydroxy-2-naphtho[2,1-b]furan-2-yl-chromone has shown comparable, and in some cases better, absorption and fluorescence properties than the 3-hydroxychromones synthesized so far, which make it a highly promising candidate as molecular probe for analytical chemistry, biophysics, and cellular biology.</description>
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