Structure-Dependent Guest Recognition with Flexible Ferrocene-Based Aromatic Oligoamide ß-Sheet Mimics.
Chemistry
; 26(1): 181-185, 2020 Jan 02.
Article
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| MEDLINE
| ID: mdl-31691432
ABSTRACT
A series of aromatic oligoamides incorporating an inherently flexible ferrocene dicarboxylic acid unit was synthesized. Solid state, solution, and computational studies on these systems indicated that the aromatic strands can adopt a syn parallel stacked conformation. This results in modular ß-sheet-like molecular clefts that display structure-dependent recognition of small polar molecules. NMR and theoretical studies of the host-guest interaction support an in cleft binding mode and allowed the selectivity of the oligomers to be rationalized on the basis of minor changes in functional-group presentation on the edge of the aromatic strands.
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2020
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Article