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Issue 4, 2021
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A protecting group strategy to access stable lacunary polyoxomolybdates for introducing multinuclear metal clusters

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Abstract

Although metal-containing polyoxomolybdates (molybdenum oxide clusters) exhibit outstanding catalytic properties, their precise synthetic method has not yet been developed. This is mainly because the very low stability of the multivacant lacunary polyoxomolybdates limited their use as synthetic precursors. Here, we present a “protecting group strategy” in polyoxometalate synthesis and successfully develop an efficient method for synthesising multinuclear metal-containing polyoxomolybdates using pyridine as a protecting group for unstable trivacant lacunary Keggin-type polyoxomolybdate [PMo9O34]9−. Specifically, tetranuclear cubane- and planar-type manganese clusters were selectively synthesised in the polyoxomolybdates using the present method. The importance of this work is that, in addition to being the first practical way of utilizing multivacant lacunary polyoxomolybdates as precursors, this new “protecting group strategy” will make it possible to produce polyoxometalates with unexplored structures and properties.

Graphical abstract: A protecting group strategy to access stable lacunary polyoxomolybdates for introducing multinuclear metal clusters

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Supplementary files

Article information


Submitted
07 Nov 2020
Accepted
09 Dec 2020
First published
13 Jan 2021

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2021,12, 1240-1244
Article type
Edge Article

A protecting group strategy to access stable lacunary polyoxomolybdates for introducing multinuclear metal clusters

C. Li, A. Jimbo, K. Yamaguchi and K. Suzuki, Chem. Sci., 2021, 12, 1240
DOI: 10.1039/D0SC06133F

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