Substitution and redox reactions involving vanadium oxotrifluorine |
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Authors: | George A Kolta David WA Sharp John M Winfield |
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Institution: | Chemistry Department, University of Glasgow, Glasgow G12 8QQ, Scotland |
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Abstract: | VOF3 is soluble in acetonitrile but is slowly reduced to give a vanadyl (IV) species as one product. It reacts rapidly with Me3SiNet2 in MeCN below ambient temperature; fluorine is replaced by -NEt2 ligands but the spectroscopic and magnetic properties of the products indicate that, in addition, reduction to VIV occurs not some extent. The products are formulated as VOF3-n(NEt2)n containing small quantities of VOF2-m(NEt2)m(NEt2H) (n = 1-3, m = 0-2). A similar reaction occurs between VOF3 and Me3SiOMe but with Me3SiOSiMe3 only VO2F is formed. |
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