Journal
INORGANIC CHEMISTRY
Volume 61, Issue 8, Pages 3616-3630Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.1c03747
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Funding
- Science and Engineering Research Board, New Delhi [CRG/2021/001700]
- UGC (New Delhi)
- CSIR (New Delhi)
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This study introduces a series of Hg macrocycles with amide-phosphine-based ligands that possess H-bonding cavities of different sizes. These macrocycles selectively adsorb anionic dyes, followed by neutral dyes and the biologically relevant antibiotic Prontosil, through H-bonding-assisted encapsulation. Kinetic experiments, as well as spectroscopic and docking studies, highlight the significance of cavity structure and H-bonds in the selective adsorption of dyes.
This work presents a set of Hg macrocycles of amide-phosphine-based ligands offering H-bonding cavities of different dimensions. Such macrocycles are shown to selectively adsorb anionic dyes followed by neutral dyes as well as Prontosil, a biologically relevant antibiotic, within their cavities with the aid of H-bonding-assisted encapsulation. Kinetic experiments supported by spectroscopic and docking studies illustrate the importance of the cavity structure as well as H-bonds for the selective adsorption of dyes.
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