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Abstract <p>The interaction of 3,6-bis(2-pyridyl)-substituted 1,2,4,5-tetrazine with 3,4,5,6-tetrabromo-1,2-dehydrobenzene obtained in situ from the corresponding anthranilic acid was studied for the first time. In this case, instead of the expected product, 5,6,7,8-tetrabromo-1,4-di(2-pyridyl)phthalazine, two alternative transformation products were found, namely 1,2,3,4-tetrabromo-6-methylnaphthalene and 3,6-di(2-pyridyl)pyridazine. The structure of the products was confirmed by physicochemical methods, including X-ray diffraction data. A possible mechanism for this interaction was proposed.</p>

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Interaction of 3,6-Bis(2-pyridyl)-1,2,4,5-tetrazine and 3,4,5,6-Tetrabromo-1,2-dehydrobenzene

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • S. E. Vatolina,
  • A. P. Krinochkin,
  • A. V. Rybakova,
  • I. A. Khalymbadzha,
  • V. S. Gaviko,
  • D. S. Kopchuk,
  • G. V. Zyryanov

摘要

Abstract

The interaction of 3,6-bis(2-pyridyl)-substituted 1,2,4,5-tetrazine with 3,4,5,6-tetrabromo-1,2-dehydrobenzene obtained in situ from the corresponding anthranilic acid was studied for the first time. In this case, instead of the expected product, 5,6,7,8-tetrabromo-1,4-di(2-pyridyl)phthalazine, two alternative transformation products were found, namely 1,2,3,4-tetrabromo-6-methylnaphthalene and 3,6-di(2-pyridyl)pyridazine. The structure of the products was confirmed by physicochemical methods, including X-ray diffraction data. A possible mechanism for this interaction was proposed.