2007
DOI: 10.1002/ejoc.200601044
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Supramolecular Dendrimers Self‐Assembled from Dendritic Fullerene Ligands and a Homotritopic Hamilton Receptor

Abstract: Supramolecular dendrimers resulting from the self‐assembly of a series of dendrofullerens 2a–4b containing a cyanuric acid building block at their focal point with the homotritopic Hamilton receptor 1 were prepared. The 1:3 compositions of the supramolecular dendrimers as well as the association constants Kn and the cooperativity of binding expressed by Scatchard plots and Hill coefficients nH were determined by NMR titration experiments. The most pronounced positive cooperativity was observed for the 1:L3 com… Show more

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Cited by 25 publications
(16 citation statements)
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“…6 that in the temperature range between +20 and +50 C the imide protons of CA and between 0 and À30 C the imide protons of Thy are in a coalescence regime, where the signals of the bounded NH protons are very broad or cannot be detected anymore. 45,46 The up-field shift of these signals upon increasing the temperature indicates the decreasing stability of the self-folded single polymer chain. 44,45 When the solution of polymer 14 is cooled (inside the NMR probe head) from À110 to À30 C, the same NMR spectra as depicted in Fig.…”
Section: Single Chain Self-folding Of Dual Hydrogen Bonding Macromole...mentioning
confidence: 99%
“…6 that in the temperature range between +20 and +50 C the imide protons of CA and between 0 and À30 C the imide protons of Thy are in a coalescence regime, where the signals of the bounded NH protons are very broad or cannot be detected anymore. 45,46 The up-field shift of these signals upon increasing the temperature indicates the decreasing stability of the self-folded single polymer chain. 44,45 When the solution of polymer 14 is cooled (inside the NMR probe head) from À110 to À30 C, the same NMR spectra as depicted in Fig.…”
Section: Single Chain Self-folding Of Dual Hydrogen Bonding Macromole...mentioning
confidence: 99%
“…Hirsch et al used several (non-)dendritic mono-Bingel adducts for the self-assembly onto various Hamilton-receptor appended scaffolds via complementary hydrogen bonding [49]. Consequently, an…”
Section: Molecular Self-assembly Of Fullerene-containing Dendronsmentioning
confidence: 99%
“…Our group has previously investigated the impacts of steric and electronic effects on nonmacrocyclic Hamilton receptors. Similarly, other groups have also utilized different acyclic derivatives for a variety of applications including the construction of supramolecular dendrimers , and polymeric materials, utilization as optoelectronic materials, and sensing. …”
Section: Introductionmentioning
confidence: 99%