Preparation of two new [2]rotaxanes based on the pillar[5]arene/alkane recognition motif |
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Authors: | Shengyi DongChengyou Han Bo ZhengMingming Zhang Feihe Huang |
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Affiliation: | Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China |
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Abstract: | Based on the pillar[5]arene/alkane recognition motif, two [2]rotaxanes were successfully prepared. Their formation was confirmed by NMR spectroscopy and ESI mass spectrometry. We also demonstrated that 3,5-dinitrophenyl group and 3,5-bis(trifluoromethyl)phenyl group are big enough to work as stoppers for DPPillar[5]arene, which lays a foundation for the preparation of more complex and functional supramolecular structures. |
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Keywords: | Pillararene Rotaxane Self-assembly Host-guest system Supramolecular chemistry |
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