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Novel N , N′ ‐Diacylhydrazine‐Based Colorimetric Receptors for Selective Sensing of Fluoride and Acetate Anions
Author(s) -
Shi DaQing,
Wang HaiYing,
Li XiaoYue,
Yang Fang,
Shi JingWen,
Wang XiangShan
Publication year - 2007
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.200790189
Subject(s) - chemistry , titration , acetonitrile , receptor , stoichiometry , selectivity , fluoride , proton nmr , hydrogen bond , inorganic chemistry , stereochemistry , molecule , organic chemistry , biochemistry , catalysis
Three novel and simple N , N′ ‐diacylhydrazine‐based colorimetric receptors have been prepared. The binding properties of the receptors to anions such as F − , Cl − , Br − , AcO − , HSO 4 − and H 2 PO 4 − in acetonitrile solution were examined by UV‐Vis spectroscopy methods, which show high sensitivity and selectivity to F − and AcO − over other anions. The results indicated that a 1:1 stoichiometry complex was formed between the receptors and the anions, while 1 H NMR titrations confirmed hydrogen binding interaction between the receptors and the anions.
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