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Abstract <p>The possibility of noncatalytic substitution of halogen at the <i>para</i>-position of 6-phenyl substituent in 1,2,4-triazines by a cyclic amine (pyrrolidine or piperidine) under solvent-free conditions has been studied. The resulting 1,2,4-triazines can be converted to the corresponding (bi)pyridine derivatives via the Boger reaction with norbornadiene under elevated pressure.</p>

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Noncatalytic Synthesis of 5-[4-(Pyrrolidin-1-yl/piperidin-1-yl)­phenyl](bi)pyridines

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • S. E. Vatolina,
  • A. P. Krinochkin,
  • T. A. Tseitler,
  • A. A. Yurtaeva,
  • A. S. Alekseeva,
  • A. S. Markina,
  • V. S. Gaviko,
  • D. S. Kopchuk,
  • G. V. Zyryanov

摘要

Abstract

The possibility of noncatalytic substitution of halogen at the para-position of 6-phenyl substituent in 1,2,4-triazines by a cyclic amine (pyrrolidine or piperidine) under solvent-free conditions has been studied. The resulting 1,2,4-triazines can be converted to the corresponding (bi)pyridine derivatives via the Boger reaction with norbornadiene under elevated pressure.