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EnglishNotwithstanding its small dimensions, the narrow cavity of p-tert-butylcalix[4]arene macrocycle is still able to host alkylammonium guests in the presence of the tetrakis[3,5-bis(trifluoromethyl)phenyl]borate (TFPB−) weakly coordinating (or “superweak”) anion. As an artificial analogue of biological receptors, cone-shaped calix[4]arene 1d is able to recognize a n-BuNH3+ guest mainly through a 4-fold cation−π interaction aided by a weak H-bonding interaction. This recognition motif can be used to assembly a 2:1 capsular architecture with a linear diammonium axle
| Titolo: | Endo-Complexation of Alkylammonium Ions by Calix[4]arene Cavity: Facilitating Cation−π Interactions through the Weakly Coordinating Anion Approach | |
| Autori: | ||
| Data di pubblicazione: | 2014 | |
| Rivista: | ||
| Abstract: | Notwithstanding its small dimensions, the narrow cavity of p-tert-butylcalix[4]arene macrocycle is still able to host alkylammonium guests in the presence of the tetrakis[3,5-bis(trifluoromethyl)phenyl]borate (TFPB−) weakly coordinating (or “superweak”) anion. As an artificial analogue of biological receptors, cone-shaped calix[4]arene 1d is able to recognize a n-BuNH3+ guest mainly through a 4-fold cation−π interaction aided by a weak H-bonding interaction. This recognition motif can be used to assembly a 2:1 capsular architecture with a linear diammonium axle | |
| Handle: | http://hdl.handle.net/11386/4485057 | |
| Appare nelle tipologie: | 1.1.2 Articolo su rivista con ISSN |
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