C ((60) を採用し,多武装のジオデシックパートナーと連携する
S Mizyed1, P E Georghiou, M Bancu
1Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1B 3X7.
Journal of the American Chemical Society
|December 26, 2001
まとめ
新規のボウル形コロナヌレンの誘導体が合成され,C(60) フルレレンと複合体を形成することが判明した. これらの宿主-ゲスト複合体は,異なる結合強度を示し,分子認識と超分子化学における潜在的な応用を示しています.
科学分野:
- 超分子化学 超分子化学
- オーガニック・シンセシス オーガニック・シンセシス
- マテリアルサイエンス 材料科学
背景:
- コラヌレンは,ユニークな曲線ポリサイクル芳香炭水化物であり,宿主分子を構築するための多用途のプラットフォームとして機能します.
- チオエーテル結合を持つ機能化されたコラヌレンは,分子認識のために特化した電子およびステリック特性を提供します.
研究 の 目的:
- 新しいペンタキスとテトラキスで代用されたチオフェニルコランヌレンの誘導体を合成するために.
- これらのコロナヌレンの宿主-ゲスト複合化行動を,C(60) フルレレンと研究する.
主な方法:
- コランヌレンの塩素化による合成に続いて,ナトリウムチオフェノラートによる核性芳香的置換が行われます.
- スペクトロスコーピテクニックを用いた特徴付け.
- トロウレン-dで (1) H NMR タイトリングを使用した拘束力のある研究 (8).
主要な成果:
- 1,3,5,7,9-ペンタキス (((4-メトキシフェニルチオ) コランヌレン,1,3,5,7,9-ペンタキス (((2-ナフチルチオ) コランヌレン,および1,3,6,8-テトラキス (((4-メトキシフェニルチオ) コランヌレンの合成が成功しました.
- 合成されたコラヌルレンとC(60) フルレレン間の1:1複合形成の実証.
- 各複合体の関連定数の定量化 (454,368,および280M(-1)) を行う.
結論:
- 合成されたコラヌレンの誘導体は,C ((60)) フルレンの効果的な宿主として作用する.
- 結合親和性は,チオフェニル置換剤の性質と位置によって影響を受けます.
- これらの発見は,フルレンの封じ込めと分離における機能化されたコルアヌレンの可能性を強調しています.
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