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Rational design of a ternary supramolecular system: self-assembly of pentanuclear lanthanide helicates.
El Aroussi, Badr; Zebret, Soumaila; Besnard, Céline; Perrottet, Philippe; Hamacek, Josef.
Afiliação
  • El Aroussi B; Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, 30 quai E.-Ansermet, CH-1211 Geneva 4, Switzerland.
J Am Chem Soc ; 133(28): 10764-7, 2011 Jul 20.
Artigo em Inglês | MEDLINE | ID: mdl-21688784
ABSTRACT
The self-assembly of the first pentanuclear helicate was predicted on the structural basis obtained for linear and tetranuclear parent supramolecular compounds. Accordingly, the designed ternary supramolecular system requires appropriate polytopic organic receptors, which were successfully synthesized. Indeed, the formation of pentanuclear complexes was experimentally evidenced with NMR and ESMS spectra that perfectly reflect the expected pattern. The structural features in the europium pentanuclear complex are highlighted with semiempirical molecular modeling. The present work validates the combinatorial approach leading to the thermodynamically driven formation of tower-like pentanuclear edifices.

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: J Am Chem Soc Ano de publicação: 2011 Tipo de documento: Artigo País de afiliação: Suíça