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Synthesis of Tetrasilatetrathia[8]circulenes by a Fourfold Intramolecular Dehydrogenative Silylation of C-H Bonds

机译:TetrasilateTrathida的合成通过四倍的分子内脱氢甲硅烷基化C-H键环循环

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摘要

The first two examples of a tetrasilatetrathia[8]- circulene were synthesized in two steps from a tetraiodotetrathienylene by using a fourfold intramolecular dehydrogenative silylation of C-H bonds as the key step. A singlecrystal X-ray diffraction analysis revealed that tetrasilatetrathia[ 8]circulene contains a perfectly planar [8]radialene skeleton. The excited-state dynamics of tetrasilatetrathia[ 8]circulene were evaluated by steady-state and timeresolved spectroscopic measurements, revealing an efficient intersystem crossing in the excited state.
机译:通过使用四倍的分子内脱氢甲硅烷基化为关键步骤,从四碘偶联的四倍脱氢甲硅烷基化以四碘偶联的两步合成四管状疗法[8] - 环烯的前两个实例。 单一的X射线衍射分析显示,TetrasilateTrathatha [8]循环烯含有完美的平面[8] radialene骨架。 通过稳态和间隔的光谱测量来评估四螺纹癖[8]循环系统的激发状态动态,揭示了激发状态的有效的跨越式交叉。

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  • 来源
    《Chemistry: A European journal》 |2017年第29期|共5页
  • 作者单位

    Department of Applied Chemistry Graduate School of Engineering Nagoya University Nagoya 464-8603 (Japan);

    Department of Applied Chemistry Graduate School of Engineering Nagoya University Nagoya 464-8603 (Japan);

    Department of Applied Chemistry Graduate School of Engineering Nagoya University Nagoya 464-8603 (Japan);

    Department of Chemistry Faculty of Science and Technology Keio University Yokohama 223-8522 (Japan);

    Department of Chemistry Faculty of Science and Technology Keio University Yokohama 223-8522 (Japan);

    Department of Applied Chemistry Graduate School of Engineering Nagoya University Nagoya 464-8603 (Japan);

    Department of Applied Chemistry Graduate School of Engineering Nagoya University Nagoya 464-8603 (Japan);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用化学;
  • 关键词

    annulation; circulenes; silylation; thiophenes;

    机译:环状;循环;甲硅烷基;噻吩;

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