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• W4214817902 abstract "Abstract Herein, a new scaffold for anion recognition based on a tripodal tris(pyrrolamide) motif is presented. The receptors were able to bind to a variety of anions with high affinity. Using density functional theory methods, the three‐dimensional geometry of the receptor‐anion complex was calculated. These calculations show that the receptors bind anions via a preorganized cavity of amide and pyrrole hydrogen bond donor groups. Based on these findings, homochiral tris(pyrrolamide) receptors were prepared, which produced 1.6‐fold greater affinity for ( S )‐(+)‐mandelate over ( R )‐(−)‐mandelate, demonstrating the ability to differentiate between these enantiomeric anions. The interaction of ( S )‐(+)‐mandelate and ( R )‐(−)‐mandelate within the homochiral receptor was examined by solution NMR spectroscopy and theoretical calculations. These findings indicate that the preorganized positioning of the pyrrole groups and subsequent sterics allows to differentiate between the stereoisomeric anions." @default.
• W4214817902 created "2022-03-05" @default.
• W4214817902 creator A5021949552 @default.
• W4214817902 creator A5028132671 @default.
• W4214817902 date "2022-03-03" @default.
• W4214817902 modified "2023-10-17" @default.
• W4214817902 title "Preorganized Homochiral Pyrrole‐Based Receptors that Display Enantioselective Anion Binding" @default.
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• W4214817902 doi "https://doi.org/10.1002/ejoc.202101346" @default.
• W4214817902 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36778753" @default.
• W4214817902 hasPublicationYear "2022" @default.
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