The Fast Photochemical [2+2] Cycloaddition and Reverse Reaction of a Styrylpyrazine Amphiphile in Aqueous Dispersion

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  • Jong-mok Park
    Department of Applied Chemistry, Faculty of Engineering, Osaka University2-1 Yamadaoka, Suita, Osaka
  • Wanbin Zhang
    Department of Applied Chemistry, Faculty of Engineering, Osaka University2-1 Yamadaoka, Suita, Osaka
  • Yohji Nakatsuji
    Department of Applied Chemistry, Faculty of Engineering, Osaka University2-1 Yamadaoka, Suita, Osaka
  • Tetsuro Majima
    The Institute of Scientific and Industrial Research, Osaka University8-1 Mihogaoka, Ibaraki, Osaka
  • Isao Ikeda
    Department of Applied Chemistry, Faculty of Engineering, Osaka University2-1 Yamadaoka, Suita, Osaka

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Abstract

<jats:title>Abstract</jats:title> <jats:p>Photochemical [2+2] cycloaddition of styrylpyrazine amphiphile 1 in aqueous dispersion occurred quantitatively and much faster than that of stilbene analogue 2. Amphiphile 1 showed intermolecular photoreversible reactivity, [2+2] cycloaddition and the reverse reaction, in aqueous dispersion with alternate irradiation at above 300 and at 254 nm as the first example for 1,2-diarylethylene in aqueous dispersion.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 28 (12), 1309-1310, 1999-12-01

    Oxford University Press (OUP)

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