Photodimerization Mechanism of Bis(3,4,5-trifluorobenzyl) (<i>E</i>,<i>E</i>)-Muconate in a Columnar Assembly in the Crystalline State

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  • Yutaka Mori
    Department of Applied Chemistry, Graduate School of Engineering, Osaka City University
  • Akikazu Matsumoto
    Department of Applied Chemistry, Graduate School of Engineering, Osaka City University

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Abstract

<jats:title>Abstract</jats:title> <jats:p>We have revealed the photoreaction mechanism for the single-crystal-to-single-crystal transformation of bis(3,4,5-trifluorobenzyl) (E,E)-muconate (1) to the corresponding dimer. The [2 + 2] photodimerization randomly occurred in the columnar assembly of monomer molecules in the crystals of 1, followed by the formation of a trimer. The photoreaction was directly monitored by an X-ray single crystal structure analysis as well as the product analysis by NMR and MS spectroscopies.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 36 (4), 510-511, 2007-03-03

    Oxford University Press (OUP)

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