Metallo-Supramolecular Coordination Polymers Based on Amidopyridine Derivatives of Pillar[5]arene and Cu(II) and Pd(II) Cations: Synthesis and Recognition of Nitroaromatic Compounds

Dmitriy Shurpik, Yulia Aleksandrova, Alexander Rodionov, Elena Razina, Marat Gafurov, Iskander Vakhitov, Vladimir Evtugyn, Alexander Gerasimov, Yurii Kuzin, Gennady Evtugyn, Peter Cragg, Ivan Stoikov

Research output: Contribution to journalArticlepeer-review

Abstract

Decasubstituted pillar[5]arenes containing amidopyridine fragments have been synthesized for the first time. As was shown by UV-vis spectroscopy, the pillar[5]arenes with p-amidopyridine fragments form supramolecular associates with Cu(II) and Pd(II) cations in methanol in a 2:1 ratio. Using a sol-gel approach these associates are transformed into metallo-supramolecular coordination polymers (supramolecular gels) which were characterized as amorphous powders by scanning electron microscopy (SEM) and dynamic light scattering (DLS). The powders are able to selectively adsorb up to 46% of nitrophenols from water and were incorporated into an electrochemical sensor to selectively recognize them in aqueous acidic solution.

Original languageEnglish
Pages (from-to)2942-2953
Number of pages12
JournalLangmuir
Volume37
Issue number9
DOIs
Publication statusPublished - 25 Feb 2021

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