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Hydrogen-bonded capsules in water

Academic Article
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Overview

authors

  • Zhang, K. D.
  • Ajami, Dariush
  • Rebek Jr., Julius

publication date

  • December 2013

journal

  • Journal of the American Chemical Society  Journal

abstract

  • Hydrogen-bonded capsules constrain molecules into small spaces, where they exhibit behavior that is inaccessible in bulk solution. Water competes with the formation of hydrogen bonds, and other forces for assembly, such as metal/ligand interactions or hydrophobic effects, have been applied. Here we report the reversible assembly of a water-soluble cavitand to a robust capsule host in the presence of suitable hydrophobic guests. The complexes are characterized by conventional NMR methods. Selectivity for guest length and fluorescence quenching of a stilbene guest are used as evidence for hydrogen bonding in the capsule.

subject areas

  • Capsules
  • Ethers, Cyclic
  • Hydrogen
  • Hydrogen Bonding
  • Hydrophobic and Hydrophilic Interactions
  • Ligands
  • Magnetic Resonance Spectroscopy
  • Metals
  • Models, Molecular
  • Resorcinols
  • Water
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Identity

International Standard Serial Number (ISSN)

  • 0002-7863

Digital Object Identifier (DOI)

  • 10.1021/ja410644p

PubMed ID

  • 24245649
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Additional Document Info

start page

  • 18064

end page

  • 18066

volume

  • 135

issue

  • 48

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