Reversible anion-induced cross-linking of well-defined calix[4]pyrrole- containing copolymers

Eric S. Silver, Brett M. Rambo, Christopher W. Bielawski, Jonathan L. Sessler

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


Reversible addition/fragmentation chain-transfer polymerization is used to generate a calix[4]pyrrole methacrylate-derived copolymer. The material is found to undergo supramolecular cross-linking upon exposure to select dianionic species (e.g., pyrophosphate and terephthalate salts), altering the viscoelastic properties of the copolymer in solution and in the solid state. The copolymeric material is also used for selective differentiation of mono- and bis-anions under conditions of liquid/liquid extraction.

Original languageEnglish (US)
Pages (from-to)2252-2255
Number of pages4
JournalJournal of the American Chemical Society
Issue number6
StatePublished - Feb 12 2014


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