Thermal behavior of some vanadyl complexes with flavone derivatives as potential insulin-mimetic agents |
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| Authors: | Mihaela Badea Rodica Olar Valentina Uivarosi Dana Marinescu Victoria Aldea Stefania Felicia Barbuceanu George Mihai Nitulescu |
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| Affiliation: | (1) Department of Inorganic Chemistry, Faculty of Chemistry, University of Bucharest, 90-92 Panduri St., 050663 Sector 5, Bucharest, Romania;(2) Department of Inorganic Chemistry, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia St., Bucharest, Romania;(3) Department of Organic Chemistry, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia St., Bucharest, Romania;(4) Department of Pharmaceutical Chemistry, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia St., Bucharest, Romania |
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| Abstract: | Two new complexes having general formula VOL2·nH2O [(1) L: 5-hydroxyflavone, n = 1; (2) L: chrysin, n = 4] were synthesized and characterized. Based on IR and electronic data we concluded that studied flavones act as bidentate ligands in complexes with metallic ion coordinated in a square-pyramidal stereochemistry. The thermal analysis (TG, DTA) elucidated the composition and also the number and nature of the water molecules. The thermal behavior also indicated strong interactions between oxovanadium (IV) and these oxygen donor ligands. |
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