Manifesting Subtle Differences of Neutral Hydrophilic Guest Isomers in a Molecular Container by Phase Transfer

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Title
Manifesting Subtle Differences of Neutral Hydrophilic Guest Isomers in a Molecular Container by Phase Transfer
Author(s)
Lee, HHL; Lee, JW; Yoonjung Jang; Young Ho Ko; Kimoon Kim; Hugh I. Kim
Publication Date
2016-07
Journal
Angewandte Chemie - International Edition, v.55, no.29, pp.8249 - 8253
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Achieving strong host–guest interactions between synthetic hosts and hydrophilic guests in solution is challenging because solvation effects overwhelm other effects. To resolve this issue, we transferred complexes of cucurbit[7]uril (CB[7]) and monosaccharides to the gas phase and report here their intrinsic host–guest chemistry in the absence of solvation effects. It was observed that effective host–guest interactions in the gas phase mediated by ammonium cations allow the differentiation of the monosaccharide isomers in complex with CB[7] upon vibrational excitation. The potential of the unique observation was extended to a quantitative supramolecular analytical method for the monosaccharide guests. The combination of host–guest chemistry and phase transfer presented in this study is an effective approach to overcome current limitations in supramolecular chemistry. © 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/4836
ISSN
1433-7851
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > Journal Papers (저널논문)
Files in This Item:
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