Issue 28, 2023
From the journal:

New Journal of Chemistry

Rapid naked eye sensing of fluoride by calix[4]arene upper rim tetra functionalized pentafluorophenyl hydrazone†

Anita Nehra, ORCID logo ab   Apoorva Malik,a   Pragati R Sharma, ORCID logo a   Sateesh Bandaru ORCID logo *c  and  Rakesh K Sharma ORCID logo *a  

* Corresponding authors

a Sustainable Materials and Catalysis Research Laboratory (SMCRL), Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur-342037, India
E-mail: rks@iitj.ac.in

b Department of Chemistry, JECRC University, Sitapura Extension, Jaipur-303905, India

c College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou-310018, China
E-mail: sbandaru@hdu.edu.cn

Abstract

A neutral electron-deficient, pentafluorophenyl hydrazone-functionalized calix[4]arene, R, showed naked eye detection of fluoride among 19 anions. The formation of R + F− was evidenced by UV-vis, 1H & 19F NMR and ESI-MS studies. Variable temperature NMR studies revealed the formation of HF2−. DFT and TD-DFT studies demonstrate strong binding interactions between the R and F−.

Graphical abstract: Rapid naked eye sensing of fluoride by calix[4]arene upper rim tetra functionalized pentafluorophenyl hydrazone

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Article information

DOI
https://doi.org/10.1039/D3NJ02254D
Article type
Communication
Submitted
17 May 2023
Accepted
28 Jun 2023
First published
29 Jun 2023

New J. Chem., 2023,47, 13080-13083

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Rapid naked eye sensing of fluoride by calix[4]arene upper rim tetra functionalized pentafluorophenyl hydrazone

A. Nehra, A. Malik, P. R. Sharma, S. Bandaru and R. K. Sharma, New J. Chem., 2023, 47, 13080 DOI: 10.1039/D3NJ02254D

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