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<p>A convenient one-step synthesis of substituted 1,4-benzoxazepin-2-ones and 1,4-benzodiazepin-2-ones by recyclization of <i>N</i>-arylitaconimides with <i>o</i>-aminophenol and <i>o</i>-phenylenediamines. A detailed analysis of the spectral data of the synthesized compounds unambiguously confirmed the suggested structures. It was demonstrated that 1,4-benzoxazepin-2-ones are more conformationally flexible than 1,4-benzodiazepin-2-ones.</p>

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Synthesis and spectral properties of new 1,4-benzodiazepin(benzoxazepin)one derivatives

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • Yu. A. Kovygin,
  • I. S. Zotova,
  • M. V. Ser’ogin,
  • D. V. Nikitenko,
  • A. I. Slivkin,
  • Kh. S. Shikhaliev

摘要

A convenient one-step synthesis of substituted 1,4-benzoxazepin-2-ones and 1,4-benzodiazepin-2-ones by recyclization of N-arylitaconimides with o-aminophenol and o-phenylenediamines. A detailed analysis of the spectral data of the synthesized compounds unambiguously confirmed the suggested structures. It was demonstrated that 1,4-benzoxazepin-2-ones are more conformationally flexible than 1,4-benzodiazepin-2-ones.