ロジウムの微妙な変化を介して指向された超分子組成の汎用制御
Alan Kwun-Wa Chan1, Maggie Ng1, Kam-Hung Low1
1Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , P.R. China.
Journal of the American Chemical Society
|June 27, 2018
まとめ
CF3置換剤を含むロジウム (I) ピンサー複合体は,安定性と自己組み立て性が向上しています. これらの複合体は秩序ある構造を形成し,非共性相互作用の洞察を明らかにし,新しい超分子材料につながります.
科学分野:
- 協調化学
- 超分子化学
- 材料科学
背景:
- ロージウム (I) ピンサー複合体は,Rh (I) ·Rh (I) 相互作用によって自己組織化を示している.
- CF3のような電子を取り除く置換剤は,複合的な安定性と指向された組み立てを強化することができます.
研究 の 目的:
- ロジウム (I) ピンサー複合体の自己組立における非共性相互作用を調査する.
- 分子間相互作用を制御する構造-性質の関係を理解する.
- 螺旋状の超分子組成の形成を研究する.
主な方法:
- 多様な構造特性を有する様々なロジウム (I) ピンチャー複合体の合成.
- 電子を取り除く CF3 置換剤を組み込む.
- 螺旋組立のためのキラル補助装置の導入.
主要な成果:
- 溶媒誘発のイソデミック成長メカニズムを特定した.
- 集積された種 (ダイマー,トリマー,オリゴーマー) での濃度の低エネルギー吸収帯が観察された.
- キラル補助物質を用いて螺旋状の超分子組成と柔らかい物質の形成を証明した.
結論:
- CF3 置換剤はロジウム (I) ピンサー複合体の安定性と指向された組立性を改善します.
- セルフアセンブリの行動は,非共性相互作用とリガンドの電子特性によって制御される.
- チラルロジウム (I) 複合体は,高度な超分子構造の構築を可能にします.
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