Axle length- and solvent-controlled construction of (pseudo)[1]rotaxanes from mono-thiourea-functionalised pillar[5]arene derivatives
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A series of thiourea-functionalised pillar[5]arene derivatives <b>3</b><sup><b>n</b></sup><b>m</b> were constructed from a series of mono-amide-functionalised pillar[5]arenes <b>2</b><sup><b>n</b></sup>. The formation of their free forms or (pseudo)[1]rotaxane structures were controlled by their axle lengths or solvents, which were investigated by <sup>1</sup>H NMR spectroscopy. Some of (pseudo)[1]rotaxane structures were also supported by their single-crystal structures.
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Taylor & Francis创建时间：
2017-02-06
