Reversible encapsulation and release of fullerenes using calix[]phenoxazines

This investigation presents the synthesis of butyl-decorated calix[ n ]phenoxazines of varying sizes by kinetic control and the ring-expansion of calix[3]phenoxazine, which uniquely exhibits distinct binding affinities for fullerenes C 60 and C 70 . Calix[3]phenoxazine demonstrates a higher binding...

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Bibliographic Details
Published in:Organic & biomolecular chemistry 2024-11, Vol.22 (46), p.953-957
Main Authors: Wang, Lu, Li, Yunxiao, Qu, Xin, Ma, Da, Iqbal, M. Zubair, Kong, Xiangdong, Mao, Lijun
Format: Article
Language:English
Subjects:
Affinity
Ammonium
Binding
Fullerenes
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Summary:This investigation presents the synthesis of butyl-decorated calix[ n ]phenoxazines of varying sizes by kinetic control and the ring-expansion of calix[3]phenoxazine, which uniquely exhibits distinct binding affinities for fullerenes C 60 and C 70 . Calix[3]phenoxazine demonstrates a higher binding affinity for cationic ammonium, which can be reversibly deprotonated and protonated, enabling the reversible release and reloading of fullerenes. This system holds potential for applications in fullerene extraction and separation. Calix[ n ]phenoxazines are synthesized and used for the reversible encapsulation and release of fullerenes.
ISSN:1477-0520
1477-0539
DOI:10.1039/d4ob01569j