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Synthesis, Spectral and Thermal Studies of New Rutin Vanadyl Complexes
Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia St, 020956 Bucharest, Romania
Faculty of Chemistry, University of Bucharest, 90-92 Panduri St, 050663, Bucharest, Romania
* Author to whom correspondence should be addressed.
Received: 20 January 2010; in revised form: 9 March 2010 / Accepted: 10 March 2010 / Published: 10 March 2010
Abstract: Complexes between oxovanadium (IV) cation and flavonoid derivatives were developed recently in order to increase the intestinal absorption and to reduce the toxicity of vanadium compounds. For these reasons, is interesting to investigate the complexation process between flavonoid rutin (Rut) and vanadyl cation in order to isolate new complexes. Two new complexes [VO(Rut)(H2O)2](SO4)0.5×2H2O and [VO(Rut)2]×4H2O have been obtained and characterized by elemental and thermal analyses and several spectroscopic techniques (ESI-MS, IR, UV-Vis, fluorescence). The studies concerning complex formation between vanadyl and rutin (Rut) performed in different solutions show the formation of mononuclear complexes with 1:1 and 1:2 metal to ligand stoichiometry.
Keywords: flavonoid; rutin; vanadyl complex; spectroscopic techniques; thermal analysis
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Uivarosi, V.; Barbuceanu, S.F.; Aldea, V.; Arama, C.-C.; Badea, M.; Olar, R.; Marinescu, D. Synthesis, Spectral and Thermal Studies of New Rutin Vanadyl Complexes. Molecules 2010, 15, 1578-1589.
Uivarosi V, Barbuceanu SF, Aldea V, Arama C-C, Badea M, Olar R, Marinescu D. Synthesis, Spectral and Thermal Studies of New Rutin Vanadyl Complexes. Molecules. 2010; 15(3):1578-1589.
Uivarosi, Valentina; Barbuceanu, Stefania Felicia; Aldea, Victoria; Arama, Corina-Cristina; Badea, Mihaela; Olar, Rodica; Marinescu, Dana. 2010. "Synthesis, Spectral and Thermal Studies of New Rutin Vanadyl Complexes." Molecules 15, no. 3: 1578-1589.