An open chain carboxyethyltin functionalized sandwich-type tungstophosphate based on a trivacant Dawson subunit: synthesis, characterization and properties

Dalton Transactions : an International Journal of Inorganic Chemistry
Jian-Ping BaiZai-Ming Zhu

Abstract

A Dawson sandwich-type polyoxometalate {C(NH2)3}12H4[αββα-{(Sn(C3H4O2))2Mn2(P2W15O56)2}]·22H2O (abbreviated as SnR-Mn-P2W15), functionalized by open chain carboxyethyltin groups, was first prepared in aqueous solution under conventional reaction conditions, and then structurally characterized by physicochemical and spectroscopic methods. Single crystal X-ray diffraction analysis revealed that two Mn(2+) cations and two [Sn(CH2CH2COO)](2+) groups are located in the internal and external positions in the so-called equatorial region of SnR-Mn-P2W15, respectively. Intriguingly, two exposed carboxyl groups act as stretching-arm brackets, which provide a favorable structure for potential further functionalization. The electrocatalytic activity of SnR-Mn-P2W15 towards the reduction of hydrogen peroxide and nitrite was studied. Additionally, its acid catalysis and oxidation catalysis activities in organic synthesis were investigated.

References

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Citations

Jun 6, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·G M de LimaJ D Ardisson
Sep 22, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Shu-Li FengZai-Ming Zhu
Feb 12, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Hai-Dan WangZai-Ming Zhu
Aug 31, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Hai-Lou LiGuo-Yu Yang
May 19, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Yao ZhangLan-Cui Zhang

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