Sensitive fluorescence probes for dihydrogen phosphonate anion based on calix[4]arene bearing naphthol-hydrazone groups |
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| Authors: | CHEN YiChang LIU XianXian HUANG Hong WU WeiWei & ZHENG YanSong |
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| Institution: | CHEN YiChang1,LIU XianXian2,HUANG Hong1,WU WeiWei1 & ZHENG YanSong1 1Department of Chemistry,Huazhong University of Science , Technology,Wuhan 430074,China,2Department of Chemistry,Guilin Normal College,Guilin 541001 |
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| Abstract: | t-Butyl and t-pentylcalix4]arenes bearing two 2-naphthol-1-hydrazone groups at the lower rim were synthesized,and showed excited-state intermolecular proton transfer fluorescent signal with basic anion.They are more sensitive to dihydrogen phosphate anion than to fluoride anion,although the latter has stronger basicity.Compared with t-butylcalix4]arene bearing two 2-naphthol-1-hydrazone groups,t-pentylcalix4]arenes derivative has a larger fluorescent difference between dihydrogen phosphate and fluoride a... |
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| Keywords: | calixarene probe for anions fluorescence dihydrogen phosphate anion excited-state proton transfer |
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