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The direct attachment of several different organic molecules to a single polyoxometalate remains a challenge in the field of functionalized polyoxometalates. In this paper, we show that an organotin-functionalized Dawson-type polyoxotungstate [P2W17O61(SnR)]7 reacts with aromatic isocyanates ArNCO to yield new doubly functionalized compounds [P2W17O61(SnR)(CONHAr)]6. Both organic moieties, Ar and R, can be varied independently; we have tested nine Ar and three R groups. Therefore, this synthetic methodology represents a way to graft two distinct functional molecules directly onto a polyoxometalate.

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This page is a summary of: Regioselective Double Organic Functionalization of Polyoxotungstates through Electrophilic Addition of Aromatic Isocyanates to [P2W17O61(SnR)]7-, European Journal of Inorganic Chemistry, January 2013, Wiley, DOI: 10.1002/ejic.201201147.
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