带有两个胺基和羟基的2,2'-[苯-1,2-二亚基双(亚氨基甲二基)]二酚衍生物作为锌(II)离子的荧光受体。
2,2'-[Benzene-1,2-diylbis(iminomethanediyl)]diphenol derivative bearing two amine and hydroxyl groups as fluorescent receptor for Zinc(II) ion.
作者信息
Tayade Kundan, Sahoo Suban K, Patil Rahul, Singh Narinder, Attarde Sanjay, Kuwar Anil
机构信息
School of Chemical Sciences, North Maharashtra University, Jalgaon 425001, MS, India; School of Environmental and Earth Sciences, North Maharashtra University, Jalgaon 425001, MS, India.
Department of Applied Chemistry, SV National Institute Technology, Surat 395007, Gujrat, India.
出版信息
Spectrochim Acta A Mol Biomol Spectrosc. 2014 May 21;126:312-6. doi: 10.1016/j.saa.2014.02.003. Epub 2014 Feb 19.
A new non-natural receptor 2,2'-[benzene-1,2-diylbis(iminomethanediyl)]diphenol (4) was synthesized, and it is fluorogenic behaviour toward various metal ions were investigated. Receptor 4 exhibited pronounced fluorescence enhancement in the presence of Zn(2+), which can visually be discernible by an orchid fluorescence in compared to other metal ions. The receptor 4 shows high sensitivity and selectivity for Zn(2+) through changes in the fluorescence intensity based on chelation-enhanced fluorescence (CHEF). The binding modes of the complexes were investigated by Job's plot and density functional theory (DFT).
合成了一种新型非天然受体2,2'-[苯-1,2-二亚基双(亚氨基甲烷二亚基)]二苯酚(4)，并研究了其对各种金属离子的荧光行为。受体4在Zn(2+)存在下表现出明显的荧光增强，与其他金属离子相比，通过兰花荧光在视觉上可辨别。受体4基于螯合增强荧光(CHEF)通过荧光强度的变化对Zn(2+)表现出高灵敏度和选择性。通过Job曲线和密度泛函理论(DFT)研究了配合物的结合模式。
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