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<p>A series of shielded <i>o</i>-benzoquinones combining the redox-active coordination center and photoswitchable aryldiazenyl moiety was synthesized. The stability of paramagnetic reduced forms of the synthesized <i>o</i>-quinones was confirmed by cyclic voltammetry. The electron density distribution in the corresponding radical anions was studied by EPR spectroscopy. The aryldiazenyl moiety of the functionalized ligands was shown to retain the ability for photoinduced reversible isomerization under visible and UV irradiation without destruction of the <i>o</i>-quinone fragment both in an organic solvent and solid polymer matrix.</p>

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Photoinduced reversible isomerization of shielded o-benzoquinones functionalized with 4-(aryldiazenyl)phenoxy moiety

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • K. A. Martyanov,
  • M. P. Shurygina,
  • A. V. Cherkasov,
  • V. A. Kuropatov

摘要

A series of shielded o-benzoquinones combining the redox-active coordination center and photoswitchable aryldiazenyl moiety was synthesized. The stability of paramagnetic reduced forms of the synthesized o-quinones was confirmed by cyclic voltammetry. The electron density distribution in the corresponding radical anions was studied by EPR spectroscopy. The aryldiazenyl moiety of the functionalized ligands was shown to retain the ability for photoinduced reversible isomerization under visible and UV irradiation without destruction of the o-quinone fragment both in an organic solvent and solid polymer matrix.