Journal
MOLECULES
Volume 15, Issue 3, Pages 1578-1589Publisher
MDPI
DOI: 10.3390/molecules15031578
Keywords
flavonoid; rutin; vanadyl complex; spectroscopic techniques; thermal analysis
Funding
- Romanian Ministry of Education and Research [61042/2007]
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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)center dot 2H(2)O and [VO(Rut)(2)]center dot 4H(2)O 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.
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