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Title: Organoantimony(III)-Containing Tungstoarsenates(III) : From Controlled Assembly to Biological Activity
Authors: Yang, P
Bassil, Bassem 
Lin, Zhengguo
Haider, Ali
ALfaro-Espinoza, G
Ullrich, M.S
Silvestru, C
Kortz, Ulrich
Affiliations: Department of Chemistry 
Issue Date: 2015
Part of: Chemistry europe journal
Volume: 21
Issue: 44
Start page: 15600
End page: 15606
A family of three sandwich-type, phenylantimony(III)-containing tungstoarsenates(III), [(PhSbIII){Na(H2O)}AsIII2W19O67(H2O)]11− (1), [(PhSbIII)2AsIII2W19O67(H2O)]10− (2), and [(PhSbIII)3(B-α-AsIIIW9O33)2]12− (3), have been synthesized by one-pot procedures and isolated as hydrated alkali metal salts, Cs3K3.5Na4.5[(PhSbIII){Na(H2O)}AsIII2W19O67(H2O)]⋅41H2O (CsKNa-1), Cs4.5K5.5[(PhSbIII)2AsIII2W19O67(H2O)]⋅35H2O (CsK-2), and Cs4.5Na7.5[(PhSbIII)3(B-α-AsIIIW9O33)2]⋅42H2O (CsNa-3). The number of incorporated {PhSbIII} units could be selectively tuned from one to three by careful control of the reaction parameters. The three compounds were characterized in the solid state by single-crystal XRD, IR spectroscopy, and thermogravimetric analysis. The aqueous solution stability of sandwich polyanions 1–3 was also studied by multinuclear (1H, 13C, 183W) NMR spectroscopy. Effective inhibitory activity against six different kinds of bacteria was identified for all three polyanions, for which the activity increased with the number of incorporated {PhSbIII} groups.
DOI: 10.1002/chem.201502398
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Chemistry

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