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Short Communication

Axle length- and solvent-controlled construction of (pseudo)[1]rotaxanes from mono-thiourea-functionalised pillar[5]arene derivatives

, , , , , & show all
Pages 547-552 | Received 21 Nov 2016, Accepted 20 Jan 2017, Published online: 06 Feb 2017
 

Abstract

A series of thiourea-functionalised pillar[5]arene derivatives 3nm were constructed from a series of mono-amide-functionalised pillar[5]arenes 2n. The formation of their free forms or (pseudo)[1]rotaxane structures were controlled by their axle lengths or solvents, which were investigated by 1H NMR spectroscopy. Some of (pseudo)[1]rotaxane structures were also supported by their single-crystal structures.

Acknowledgements

We are grateful to the financial support by the National Natural Science Foundation of China (grant number 21372192, 21302092, 21672102) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.

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