Novel Organosilicon Compounds Performing as Molecular Machines

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  • Setaka Wataru
    Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University PRESTO, JST
  • Kira Mitsuo
    Department of Chemistry, Graduate School of Science, Tohoku University

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  • ケイ素の特長を利用した分子機械研究
  • ケイソ ノ トクチョウ オ リヨウ シタ ブンシ キカイ ケンキュウ
  • ChemInform Abstract: Novel Organosilicon Compounds Performing as Molecular Machines

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A molecular machine has been defined as a discrete number of molecular components that perform mechanical-like movements in response to specific stimuli. In this account, we describe synthesis and dynamics of novel organosilicon compounds working as molecular machines. The introduction of the clutch-declutch mechanism into a molecular gear system was achieved using interconversion between silane and silicate. Molecular gyroscopes having a phenylene rotator encased in three long siloxaalkane spokes were synthesized; the merits of siloxaalkane chains, which are easily constructed and chemically stable and exhibit good crystallinity, are exerted in the synthesis. The silicon-based directed synthesis of [2]rotaxanes without polar functional groups is described.

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