Synthesis and characterization of two new fluorescent macrocycles: A novel fluorescent chemosensor for zinc ion |
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| Authors: | Reza Azadbakht Hassan Keypour Hadi Amiri Rudbari Ali Hossein Mohammad Zaheri Saeid Menati |
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| Affiliation: | 1. Department of chemistry, Payame Noor Universtiy, P.O. Box 19395-3697 Tehran, Iran;2. Faculty of chemistry, Bu Ali Sina University, Hamedan, Iran;3. Dipartimento di Chimica Inorganica, Vill. S. Agata, Salita Sperone 31, Università di Messina, 98166 Messina, Italy;4. Department of Chemistry, Khorramabad Branch , Islamic Azad University, Khorramabad, Iran |
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| Abstract: | Two new macrocyclic systems (L1, L2) containing two emissive naphthalene were synthesized and characterized. The macrocycles were studied by 1H NMR, 13C NMR, COSY, HMQC, DEPT, microanalysis and mass spectroscopy. The influence of metal cations Na+, Cr3+, Mn2+, Fe3+, Co2+, Ni2+, Cu2+, Zn2+, Cd2+, and Hg2+ on the spectroscopic properties of the macrocyclic systems in acetonitrile/DMF 9:1 (v/v) mixtures were investigated by means of absorption and emission spectrophotometry. The macrocycle L1 was found to be as an effective fluorescence sensor for Zn2+ ions. Zn2+ and Cd2+ ions show the most effects on the fluorescence intensity of L2. |
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