Abstract
A phosphonated-functionalized copillar[5]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 copillar[5]arene. Driven by hydrophobic interactions and C–H···π interactions between the decyl moiety and the pillar[5]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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