![(4-Methyl-1H-benzo[d]imidazol-2-yl)methanamine structure](https://cnstatic.chemtradehub.com/structs/933/933756-31-1-7b0b.webp "(4-Methyl-1H-benzo[d]imidazol-2-yl)methanamine structure")
Reversible reduction drives anion ejection and C60 binding within an Fe II4L6 cage
文献信息
发布日期
2019-12-05
DOI
10.1039/C9SC05728E
影响因子
9.825
作者
Zhenpin Lu, Tanya K. Ronson, Jonathan R. Nitschke
查看原文
摘要
FeII4L6 tetrahedral cage 1 was prepared from a redox-active dicationic naphthalenediimide (NDI) ligand. The +20 charge of the cage makes it a good host for anionic guests, with no binding observed for neutral aromatic molecules. Following reduction by Cp2Co, the cage released anionic guests; subsequent oxidation by AgNTf2 led to re-uptake of anions. In its reduced form, however, 1 was observed to bind neutral C60. The fullerene guest was subsequently ejected following cage re-oxidation. The guest release process was found to be facilitated by anion-mediated transport from organic to aqueous solution. Cage 1 thus employs electron transfer as a stimulus to control the uptake and release of both neutral and charged guests, through distinct pathways.
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来源期刊
Chemical Science
CiteScore:
14.4
自引率:
3.9%
年发文量:
1413
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