Manifesting Subtle Differences of Neutral Hydrophilic Guest Isomers in a Molecular Container by Phase Transfer
SCIE
SCOPUS
- Title
- Manifesting Subtle Differences of Neutral Hydrophilic Guest Isomers in a Molecular Container by Phase Transfer
- Authors
- Lee, Hyun Hee L.; Lee, Jong Wha; Jang, Yoonjung; Ko, Young Ho; Kim, Kimoon; Kim, Hugh I.
- Date Issued
- 2016-07
- 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.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/96288
- DOI
- 10.1002/anie.201601320
- ISSN
- 1433-7851
- Article Type
- Article
- Citation
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, vol. 55, no. 29, page. 8249 - 8253, 2016-07
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