Journal
POLYHEDRON
Volume 119, Issue -, Pages 387-395Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2016.09.006
Keywords
Catecholamide; Uranyl ion; Spectrophotometric titration; Complexation; Antioxidation
Categories
Funding
- National Natural Science Foundation of China [21301142, 51572230]
- Applied Basic Research Program of Sichuan Province [2014JY0170]
- Open Project of State Key Laboratory Cultivation Base for Nonmetal Composites and Functional [14zdtk05]
- Southwest University of Science and Technology Outstanding Youth Foundation [13zx9107]
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New 1,3-dicarbonyl biscatecholamide ligands were synthesized to decorporate uranium for nuclear contamination. The derivatives were characterized via H-1 NMR spectroscopy, C-13 NMR spectroscopy, FTIR spectroscopy and mass spectrometry. The complexation abilities of ligands 8a-8d with UO22+, Cu2+ and Zn2+ were determined through spectrophotometric and potentiometric titrations technology. The antioxidant capacities of the ligands were assessed through DPPH antioxidant assay. Results indicated that ligands 8a-8d are potential decorporating agents for uranyl ion (pUO(2) up to 22.41) and copper(II) ion (pCu up to 17.71) without depletion of the essential element zinc (pZn lower than 7.48). (C) 2016 Elsevier Ltd. All rights reserved.
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