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Abstract <p>Pyrrole-centered pentaheterocyclic ensembles, tetrasubstituted 1<i>H</i>-pyrroles with fundamental hetero­cycles (pyrrole, furan, thiophene, pyridine) in various combinations, have been synthesized in up to 60% by the reaction of hetarenecarbonitriles with ethynylhetarenes in the system <i>t</i>-BuOK/DMSO (room temperature, 1 h). The reaction involves cascade self-assembly of three ethynylhetarene molecules and one hetarenecarbo­nitrile molecule, which is triggered and driven by acetylide anions.</p>

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Self-Assembly of Pyrrole-Centered Pentaheterocyclic Ensembles in the System Hetarenecarbonitrile/Ethynylhetarene/t-BuOK/DMSO

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • E. Yu. Schmidt,
  • N. A. Lobanova,
  • I. V. Tatarinova,
  • I. A. Ushakov,
  • B. A. Trofimov

摘要

Abstract

Pyrrole-centered pentaheterocyclic ensembles, tetrasubstituted 1H-pyrroles with fundamental hetero­cycles (pyrrole, furan, thiophene, pyridine) in various combinations, have been synthesized in up to 60% by the reaction of hetarenecarbonitriles with ethynylhetarenes in the system t-BuOK/DMSO (room temperature, 1 h). The reaction involves cascade self-assembly of three ethynylhetarene molecules and one hetarenecarbo­nitrile molecule, which is triggered and driven by acetylide anions.