Molecular recognition through divalent interactions with a self-assembled fibrillar network of a supramolecular organogel
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Títol
Molecular recognition through divalent interactions with a self-assembled fibrillar network of a supramolecular organogelData de publicació
2008Editor
Royal Society of ChemistryISSN
14770520Tipus de document
info:eu-repo/semantics/articleParaules clau / Matèries
Resum
The interaction of phenol derivatives with the self-assembled fibrillar network of two different
supramolecular gels has been studied. NMR relaxometry reveals the selective interaction of resorcinol
over other related ... [+]
The interaction of phenol derivatives with the self-assembled fibrillar network of two different
supramolecular gels has been studied. NMR relaxometry reveals the selective interaction of resorcinol
over other related molecules with a gel formed by the gelator 2 which contains terminal pyridine units.
No selectivity is observed for a related gelator that contains phenyl instead of pyridine moieties. The
selectivity observed by NMR experiments permits the selective suppression of the 1H NMR signals of
resorcinol. This behaviour is translated to macroscopic properties such as the thermal stability of the
gels. The observed selectivity together with X-ray diffraction data and molecular modelling suggest that
the gels formed by 2 present arrays of pyridine H-bond acceptor groups capable of selective multivalent
interaction with phenolic substrates [-]
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Copyright Royal Society of Chemistry 2008
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info:eu-repo/semantics/openAccess
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