Synthesis of Novel Acylhydrazone Based Fluorescent Probes and Their Sensing Properties for Al(Ⅲ)

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Synthesis of Novel Acylhydrazone Based Fluorescent Probes and Their Sensing Properties for Al(Ⅲ)

- Synthesis of Novel Acylhydrazone Based Fluorescent Probes and Their Sensing Properties for Al(Ⅲ)
- Vol. 38, Issue 6, Pages: 687-692(2019)
- 作者机构：
  
  1. 贵州大学化学与化工学院
  2. 贵州大学精细化工研究开发中心绿色农药和农业生物工程教育部重点实验室
- 作者简介：
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Synthesis of Novel Acylhydrazone Based Fluorescent Probes and Their Sensing Properties for Al(Ⅲ). [J]. 38(6):687-692(2019)
DOI：

Synthesis of Novel Acylhydrazone Based Fluorescent Probes and Their Sensing Properties for Al(Ⅲ). [J]. 38(6):687-692(2019) DOI：

摘要

合成了两个酰腙类荧光探针1和2，在DMSO-H2O(7∶3,体积比)体系中，两者分别在 478 nm和 460 nm处对Al3+具有较好的荧光选择识别作用。Jobs法、核磁滴定、质谱分析表明，探针1和2与Al3+的配位比均为1∶2，且对Al3+的检出限分别为9.58×10-8 mol/L和6.52×10-8 mol/L。同时提出了探针1和2对Al3+的荧光传感机理。实际应用研究表明，探针1和2可用于河水和自来水中一定浓度范围内Al3+的检测。

Abstract

Two acylhydrazone based fluorescent probes 1 and 2 were synthesized.Probes 1 and 2 both showed an excellent selectivity toward Al3+ in DMSO-H2O(7∶3,by volome) solution at emission wavelengths of 478 nm and 460 nm,respectively.The stoichiometric ratios of 1∶2 for the Al3+ complexes were determined by Jobs plots,1H NMR titration experiments and LC-MS analysis.The detection limits of probes 1 and 2 for Al3+ were found to be 9.58×10-8 mol/L and 6.52×10-8 mol/L,respectively.The fluorescent sensing mechanisms for probes 1 and 2 to Al3+ were proposed.Furthermore,the applied research revealed that the probes 1 and 2 could be used for the detection of Al3+ in river water and tap water samples.

关键词

酰腙荧光探针合成铝

Keywords

acylhydrazonefluorescent probesynthesisaluminum

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