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Issue 31, 2009
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The first 3-dimensional assemblies of organotin-functionalized polyanions

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Abstract

Reaction of the (CH3)2Sn2+ electrophile toward trilacunary [A-α-XW9O34]n Keggin polytungstates (X = PV, AsV, SiIV) with guanidinium as templating-cation resulted in the isostructural compounds Na[C(NH2)3]2[{(CH3)2Sn(H2O)}3(A-α-PW9O34)]·9H2O (1), Na[C(NH2)3]2[{(CH3)2Sn(H2O)}3(A-α-AsW9O34)]·8H2O (2) and Na2[C(NH2)3]2[{(CH3)2Sn(H2O)}3(A-α-SiW9O34)]·10H2O (3). Compounds 1–3 constitute the first 3-dimensional assemblies of organotin-functionalized polyanions, as well as the first example of a dimethyltin-containing tungstosilicate in the case of 3, and they show a similar chiral architecture based on tetrahedrally-arranged {(CH3)2Sn}3(A-α-XW9O34) monomeric building-blocks connected via intermolecular Sn–O[double bond, length as m-dash]W bridges regardless of the size and/or charge of the heteroatom.

Graphical abstract: The first 3-dimensional assemblies of organotin-functionalized polyanions

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Supplementary files

Article information


Submitted
28 Apr 2009
Accepted
10 Jun 2009
First published
29 Jun 2009

Dalton Trans., 2009, 6231-6234
Article type
Paper

The first 3-dimensional assemblies of organotin-functionalized polyanions

L. F. Piedra-Garza, S. Reinoso, M. H. Dickman, M. M. Sanguineti and U. Kortz, Dalton Trans., 2009, 6231
DOI: 10.1039/B908436C

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