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Macromol Rapid Commun. 2013 Dec;34(23-24):1856-62. doi: 10.1002/marc.201300731. Epub 2013 Nov 27.

A neutral supramolecular hyperbranched polymer fabricated from an AB2 -type copillar[5]arene.

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  • 1Department of Chemistry, Shanghai University, Shanghai, 200444, P. R. China.


A heterotritopic copillar[5]arene monomer by introducing effective neutral guest moieties (methylene chains end-capped with cyano and triazole groups) to a pillar[5]arene macrocycle is prepared. This well-designed AB2 -type copillar[5]arene contains strong host-guest recognition motifs that are connected with relatively flexible and long linkers, thus efficiently assembles to form supramole-cular hyperbranched polymer (SHP) in chloroform solution, which is characterized by various techniques including (1) H NMR, DOSY, viscosity, DLS, and TEM. Particularly, this supramolecular polymer can be effectively depolymerized by adding a competitive butanedinitrile guest.

© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


hyperbranched polymers; neutral guests; pillararenes; supramolecular chemistry; supramolecular polymers

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