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Chemistry. 2018 Oct 22;24(59):15750-15755. doi: 10.1002/chem.201801418. Epub 2018 Jul 16.

Pillararene-Based Two-Component Thixotropic Supramolecular Organogels: Complementarity and Multivalency as Prominent Motifs.

Chemistry (Weinheim an der Bergstrasse, Germany)

Yossi Zafrani, Dana Kaizerman, Maya Hadar, Nitzan Bigan, Eran Granot, Moumita Ghosh, Lihi Adler-Abramovich, Fernando Patolsky, Yoram Cohen

Affiliations

  1. School of Chemistry, Sackler Faculty of Exact Sciences, Tel Aviv University, Ramat Aviv, 69978, Tel Aviv, Israel.
  2. Department of Organic Chemistry, Israel Institute for Biological Research, Ness-Ziona, 740000, Israel.
  3. Department of Oral Biology, Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, 69978, Tel Aviv, Israel.

PMID: 29745993 DOI: 10.1002/chem.201801418

Abstract

Rationally designed two-component supramolecular organogels based on multiple chemical interactions between percarboxylato- and peramino-pillararenes are described. Mixing low concentration solutions (<1 % w/v) of decacarboxylato-pillar[5]arene (1) with decaamino-pillar[5]arenes (2 b-d) affords, rapidly and without heating, organogels displaying an exceptional combination of properties. These supramolecular organogels, the characteristics of which are tunable, were found to be thixotropic and thermally stable, with T

© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: multivalency; organogels; pillararenes; self-assembly; thixotropy

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