A phosphonated copillar[5]arene: Synthesis and application in the construction of pH-responsive supramolecular polymer in water |
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| Authors: | Zhihua Zhang Li Shao Jie Yang |
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| Institution: | Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China |
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| Abstract: | A phosphonated-functionalized copillar5]arene was designed and synthesized. 1H NMR, 13C NMR, ESI-MS and HR-MS were performed to provide converging evidences of the structure of obtained copillar5]arene. Driven by hydrophobic interactions and C–H···π interactions between the decyl moiety and the pillar5]arene cavity, a pH-responsive linear supramolecular polymer was fabricated from this phosphonate-functionalized AB type monomer in water. Concentration-dependent 1H NMR, NOESY, DOSY, and specific viscometry were carried out to study the supramolecular polymerization process. |
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| Keywords: | Copillararenes Water–solubility Hydrophobic interactions C–H···π interactions Supramolecular polymers |
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