Template‐Controlled Synthesis of Polyimidazolium Salts by Multiple [2+2] Cycloaddition Reactions
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Altres documents de l'autoria: Dobbe, Christian B.; Gutiérrez-Blanco, Ana; Tan, Tristan T. Y.; Hepp, Alexander; Poyatos, Macarena; Peris, Eduardo; Hahn, Franz Ekkehardt
Metadades
Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
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INVESTIGACIONMetadades
Títol
Template‐Controlled Synthesis of Polyimidazolium Salts by Multiple [2+2] Cycloaddition ReactionsAutoria
Data de publicació
2020-09-04Editor
WileyISSN
0947-6539; 1521-3765Cita bibliogràfica
C. B. Dobbe, A. Gutiérrez-Blanco, T. T. Y. Tan, A. Hepp, M. Poyatos, E. Peris, F. E. Hahn, Chem. Eur. J. 2020, 26, 11565.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.202001515Versió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
The tetrakisimidazolium salt H4‐2(Br)4, featuring a central benzene linker and 1,2,4,5‐(nBu‐imidazolium‐Ph‐CH=CH‐) substituents reacts with Ag2O in the presence of AgBF4 to yield the tetranuclear, oktakis‐NHC assembly ... [+]
The tetrakisimidazolium salt H4‐2(Br)4, featuring a central benzene linker and 1,2,4,5‐(nBu‐imidazolium‐Ph‐CH=CH‐) substituents reacts with Ag2O in the presence of AgBF4 to yield the tetranuclear, oktakis‐NHC assembly [3](BF4)4. Cation [3]4+ features four pairs of olefins from the two tetrakis‐NHC ligands perfectly arranged for a subsequent [2+2] cycloaddition. Irradiation of [3](BF4)4 with a high pressure Hg lamp connects the two tetra‐NHC ligands through four cyclobutane linkers to give compound [4](BF4)4. Removal of the template metals yields the novel oktakisimidazolium salt H8‐5(BF4)8. The tetrakisimidazolium salt H4‐2(BF4)4 and the oktakisimidazolium salt H8‐5(BF4)8 have been used as multivalent anion receptors and their anion binding properties towards six different anions have been compared. [-]
Publicat a
Chemistry–A European Journal, 2020, vol. 25, no 50Proyecto de investigación
DFG. Grant Number: IRTG 2027 and SFB 858Drets d'accés
info:eu-repo/semantics/openAccess
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