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Browsing by Author "Jo, Jaeyoung"

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    Anion receptors based on 4-nitrophenylhydrazone
    (2016-07-20)
    Jo, Jaeyoung
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    Putikam, Raghunath
    ;
    Lin, M. C.
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    Kang, Jongmin
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    應用化學系
    We have designed and synthesized new chromogenic anion receptors 1 and 2, which utilized 4-nitrophenylhydrazone as anion recognition moiety. UV-vis and H-1 NMR titration showed that receptors 1 and 2 bound anions utilizing two hydrazone N-H hydrogen bond and two C-H hydrogen bond. Despite the weak hydrogen bonding abilities of binding motifs, receptor 1 showed affinities for dihydrogen phosphate and acetate and receptor 2 showed relatively strong affinities for dihydrogen phosphate in polar solvent such as 5% DMSO in CH3CN. (C) 2016 Elsevier Ltd. All rights reserved.