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Title: Tetra-antimony(III)-bridged 18-tungsto-2-arsenates(V), [(LSb(III))4(A-α-As(V)W9O34)2](10-) (L = Ph, OH): turning bioactivity on and off by ligand substitution
Authors: Yang, P
Lin, Zhengguo
Bassil, Bassem 
ALfaro-Espinoza, G
Ullrich, M.S
Li, M.X
Silvestru, C
Kortz, Ulrich
Affiliations: Department of Chemistry 
Issue Date: 2016
Part of: Journal of inorganic chemistry
Volume: 55
Start page: 3718
End page: 3720
Two tetra-antimony(III)-bridged, sandwich-type 18-tungsto-2-arsenates(V), [(LSb(III))4(A-α-As(V)W9O34)2](10-) (L = Ph (1), OH (2)), were prepared and fully characterized in the solid state and in solution. Both polyanions are stable in aqueous physiological medium for at least 24 h (at concentrations ≥2.5 × 10(-6) M). Despite the presence of an isostructural tetra-antimony(III) motif in 1 and 2, distinctly different antibacterial activity was observed for both polyanions. The minimum inhibitory concentrations (MIC) of 1 (7.8-62.5 μg/mL) is lower than for any other organoantimony(III)-containing polyoxometalate reported to date.
Type: Journal Article
Appears in Collections:Department of Chemistry

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