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中文摘要：
以具有激发态分子内质子转移荧光的水杨醛亚胺衍生物N-（对二甲氨基苯基）水杨醛亚胺（1）为阴离子识别受体，研究了乙腈中受体1荧光对多种阴离子的响应，发现1对氟离子表现出高的响应选择性．乙腈中1的质子转移荧光位于545nm．加入氟离子后．于479nm处出现1的阴离子荧光．氟离子经由布朗斯特酸碱作用影响受体1的激发态质子转移荧光，实现了双重荧光比率法对氟离子的高选择性识别响应．
英文摘要：
A fluorescent anion receptor, N-（p-dimethylaminophenyl）salicylaldimine（1）, was designed and synthesized. 1 was shown to undergo the excited-state intramolecular proton transfer（ESIPT） upon excitation. In acetonitrile,the response of 1 toward various anions such as F^- , H2 PO4^- , CH3 COO^- , HSO4^- , Cl^- , etc. was investigated via its absorption and fluorescence spectra. 1 was highly selective response to fluoride anion. The ESIPT fluorescenee of 1 locates at 545 nm. Anion fluorescence of 1 was appeared at 479 nm when introduction of F- to I solution. This ESIPT process of I was found inhibited only by fluoride anion via a deprotonation process. The deprontonation process mechanism of I interaction with fluoride anion was proved by ^1H-NMR spectra. The inhibition of ESIPT consequently resulted in a ratiometric response in the fluorescence of 1 toward fluoride anion whereas other anions showed practically no influence on the fluorescence of 1.
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