2,5- Thienylene-Strapped [26]Hexaphyrin as Multifunctional Chemosensor for Hg2+, Cu2+, and F- ions

Chem Biodivers. 2024 Feb 24:e202301727. doi: 10.1002/cbdv.202301727. Online ahead of print.ABSTRACTThe sensing behavior of 2,5-thienylene-bridged tetrakis(2,6-dichlorophenyl)-[26]hexaphyrin (2) towards various metal ions and anions were investigated by UV-vis and fluorescence spectroscopies. The molecular sensor using this strapped hexaphyrin (2) displayed highly selective and sensitive colorimetric responses to Cu2+ and Hg2+ in MeOH/THF. The spectral changes are distinctive enough in the visible region of the spectrum to enable naked-eye detection. The detection limits of Cu2+ and Hg2+ using this chemo-sensor in a mixed MeOH/THF solution were 1.978 and 1.283 µM, respectively, and 1.052 µM for F- in dichloromethane. Chemosensor 2,5-thienylene strapped [26]hexaphyrin (2) shows absorption responses both a 1:1 molecular ratio for 2 interacting with Cu2+ and Hg2+ and a 1:2 ratio between 2 and F- ions.PMID:38400868 | DOI:10.1002/cbdv.202301727

Source: Chemistry and Biodiversity - February 24, 2024 Category: Biochemistry Authors: Bulti Abdisa Kerayu Chen Hsuing Hung Anil Hsuing Kumar Source Type: research