Supramolecular Dendrimers Self-Assembled from Dendritic Fullerene Ligands and a Homotritopic Hamilton Receptor

Autor:	Uwe Hartnagel, Kristine Hager, Andreas Hirsch
Rok vydání:	2007
Předmět:	Fullerene Stereochemistry Hydrogen bond Organic Chemistry Supramolecular chemistry Cooperative binding Cooperativity chemistry.chemical_compound Crystallography chemistry Dendrimer Self-assembly Physical and Theoretical Chemistry Cyanuric acid
Zdroj:	European Journal of Organic Chemistry. 2007:1942-1956
ISSN:	1099-0690 1434-193X
DOI:	10.1002/ejoc.200601044
Popis:	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 complexes with L being first generation dendrons. With the bulky second generation dendrons less stable complexes are formed.(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)
Databáze:	OpenAIRE
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