Cavitand-Zn porphyrin conjugates self-assemble to give supramolecular (1 + 1) structures upon coordination of bifunctional ligands such as 4,4'-bipyridine and the like. The formation of the capsule depends on key structural factors, such as the size of the cavity, and the possibility of the onset of hydrogen bonds, π-π and π-cation interactions. The extension of this protocol to chiral bifunctional ligands, such as (+)-cinchonine and (-)-cinchonidine, and cinchona alkaloid derivatives, results in the achievement of supramolecular structures with chiral cavities, whose configuration is dependent on the asymmetry of the bound ditopic ligand. MM calculations, gave further insights into the plausible geometry of the structures

Stefanelli, M., Monti, D., Van Axel Castelli, V., Ercolani, G., Venanzi, M., Pomarico, G., et al. (2008). Chiral supramolecular capsule by ligand promoted self-assembly of resorcinarene-zn porphyrin conjugate. JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 12(12), 1279-1288 [10.1142/S1088424608000662].

Chiral supramolecular capsule by ligand promoted self-assembly of resorcinarene-zn porphyrin conjugate

STEFANELLI, MANUELA;MONTI, DONATO;ERCOLANI, GIANFRANCO;VENANZI, MARIANO;PAOLESSE, ROBERTO
2008-01-01

Abstract

Cavitand-Zn porphyrin conjugates self-assemble to give supramolecular (1 + 1) structures upon coordination of bifunctional ligands such as 4,4'-bipyridine and the like. The formation of the capsule depends on key structural factors, such as the size of the cavity, and the possibility of the onset of hydrogen bonds, π-π and π-cation interactions. The extension of this protocol to chiral bifunctional ligands, such as (+)-cinchonine and (-)-cinchonidine, and cinchona alkaloid derivatives, results in the achievement of supramolecular structures with chiral cavities, whose configuration is dependent on the asymmetry of the bound ditopic ligand. MM calculations, gave further insights into the plausible geometry of the structures
2008
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore CHIM/03 - CHIMICA GENERALE E INORGANICA
Settore CHIM/07 - FONDAMENTI CHIMICI DELLE TECNOLOGIE
English
Con Impact Factor ISI
Stefanelli, M., Monti, D., Van Axel Castelli, V., Ercolani, G., Venanzi, M., Pomarico, G., et al. (2008). Chiral supramolecular capsule by ligand promoted self-assembly of resorcinarene-zn porphyrin conjugate. JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 12(12), 1279-1288 [10.1142/S1088424608000662].
Stefanelli, M; Monti, D; Van Axel Castelli, V; Ercolani, G; Venanzi, M; Pomarico, G; Paolesse, R
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/11694
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