期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 137, 期 17, 页码 5662-5665出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b02466
关键词
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资金
- EPSRC [EP/H0241107/1, EP/I033459/1, EP/J015156/1, EP/L0236521/1]
- EU FP7Micreagents [318671]
- University of Glasgow
- EPSRC [EP/J015156/1, EP/L023652/1, EP/H024107/1, EP/I033459/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/L023652/1, EP/H024107/1, EP/I033459/1, EP/J015156/1] Funding Source: researchfish
Polyoxometalates (POMs) are discrete clusters of redox-active metal oxides, many of which can be linked to organic moieties. Here, we show how it is possible to link Mn Anderson POMs to terminal alkyne and azide groups and develop appropriate conditions for their Cu-catalyzed alkyne azide cycloaddition (or click reaction). These coupling reactions are then used to link the clusters together, forming monodisperse linear Mn Anderson oligomers, here with examples ranging in size from two to five clusters. These oligomers are built up sequentially using a combination of mono- and difunctionalized clusters, giving an unprecedented level of control over the size and structure of the resulting hybrid POMs. This new synthetic methodology therefore opens the way for the synthesis of metal oxide hybrid oligomers and polymers by coupling control, minimizing side products, producing nanosized molecular hybrid organic inorganic oxides ca. 4-9 nm in size, with molecular weights ranging 2-10 kDa.
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