We describe the synthesis of a new class of trisulfonamide calix[6]arene-based wheels that can bind dialkylviologen salts, in apolar media. The threading process occurs through a selective ion-pair recognition, established by the sulfonamide groups with the counterions of the bipyridinium salts, that dictates a conformational rearrangement of the corresponding pseudorotaxanes.
Ion-Pair Selective Conformational Rearrangement of Sulfonamide Calix[6]arene-Based Pseudorotaxanes / Cera, Gianpiero; Bazzoni, Margherita; Arduini, Arturo; Secchi, Andrea. - In: ORGANIC LETTERS. - ISSN 1523-7060. - 22:9(2020), pp. 3702-3705. [10.1021/acs.orglett.0c01191]
Ion-Pair Selective Conformational Rearrangement of Sulfonamide Calix[6]arene-Based Pseudorotaxanes
Cera, Gianpiero
;Bazzoni, Margherita;Arduini, Arturo
;Secchi, Andrea
2020-01-01
Abstract
We describe the synthesis of a new class of trisulfonamide calix[6]arene-based wheels that can bind dialkylviologen salts, in apolar media. The threading process occurs through a selective ion-pair recognition, established by the sulfonamide groups with the counterions of the bipyridinium salts, that dictates a conformational rearrangement of the corresponding pseudorotaxanes.File | Dimensione | Formato | |
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