期刊
POLYHEDRON
卷 148, 期 -, 页码 88-99出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2018.03.034
关键词
Bis(imino)acenaphthene; Bulky ligands; Cobalt; Manganese; Benzhydryl
资金
- Pearl River S&T Nova Program of Guangzhou [201610010118]
- National Natural Science Foundation of China [21301070]
- Fundamental Research Funds for the Central Universities [21615401]
- Natural Science Foundation of Guangdong Province [2016A030313093, 2017A030310023]
- China Postdoctoral Science Foundation [2016M592598]
- Jinan University
Series of newly designed Co(II) and Mn(II) complexes supported by sterically encumbered asymmetric bis (imino)acenaphthene (BIAN) ligands were synthesized through the reaction of metal dichlorides with the corresponding ligands. The metal complexes were characterized by X-ray crystallography, UV-Vis, FT-IR and NMR spectroscopy. The molecular structures of Co1-Co10 all feature tetrahedral coordination geometry around cobalt. In contrast, the Mn compounds were demonstrated to show much diverse compositions and solid-state structures. By variation of the ligands and solvents used, mononuclear, binuclear or trinuclear manganese complexes could be isolated. Furthermore, the cyclic voltammograms for the Co and Mn complexes show two successive ligand-based single-electron redox processes, and the reduction potentials could be finetuned by changing the electronic property of the para-substituents on the central aryl ring of BIAN N-aryl groups. (C) 2018 Elsevier Ltd. All rights reserved.
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