カーボンナノリングの合成と超分子化学的性質の研究：曲面状共役系間の相互作用の解明に向けて

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  • 川瀬 毅
    大阪大学大学院理学研究科化学専攻

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タイトル別名
  • Synthesis and Supramolecular Properties of Carbon Nanorings: Exploration of the Interaction between Curved Conjugated Systems
  • カーボン ナノリング ノ ゴウセイ ト チョウブンシ カガクテキ セイシツ ノ ケンキュウ キョクメンジョウ キョウヤクケイカン ノ ソウゴ サヨウ ノ カイメイ ニ ムケテ

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抄録

The π-π interaction between curved conjugated systems is important for the formation and properties of new carbon materials such as carbon nanotubes, bucky onions and fullerene peapods. However, the nature has been little understood so far. Recently we have designed and synthesized cyclic [n] paraphenyleneacetylenes ([n] CPPAs) and the related compounds. They have smooth belt-shaped structures similar to a cut piece of carbon nanotubes, and thus may be termed “carbon nanorings”. The carbon nanorings having an appropriate cavity size form stable inclusion complexes with fullerenes in solution as well as in the solid state. The high affinity suggests that the considerably strong attractive interactions are operative between the curved conjugated systems. This review provides an insight into the noncovalent interaction between the concave and convex π surfaces.

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