Wheel-Like Icosanuclear PeroxotitanateA Stable Water-Soluble Catalyst for Oxygen Transfer Reactions

Wheel-Like Icosanuclear PeroxotitanateA Stable Water-Soluble Catalyst for Oxygen Transfer Reactions

Water-soluble wheel-like icosanuclear peroxotitanate K16[Ti20(μ-O)8(HO2)8(O2)12(R,R-tart)12]·52H2O (1) chelated by tartrate has been successfully isolated. As the largest peroxotitanate reported, {Ti20} features 20 (hydro)­peroxo groups with three kinds of coordination modes in μ-η1:η2, μ-η2:η2, and...

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Veröffentlicht in:Inorganic chemistry 2018-11, Vol.57 (22), p.14116-14122
Hauptverfasser: Jin, Wan-Ting, Yang, Fang, Deng, Lan, Chen, Mao-Long, Chen, Jun-Fei, Chen, Hong-Bin, Zhou, Zhao-Hui
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container_end_page 14122
container_issue 22
container_start_page 14116
container_title Inorganic chemistry
container_volume 57
creator Jin, Wan-Ting
Yang, Fang
Deng, Lan
Chen, Mao-Long
Chen, Jun-Fei
Chen, Hong-Bin
Zhou, Zhao-Hui
description Water-soluble wheel-like icosanuclear peroxotitanate K16[Ti20(μ-O)8(HO2)8(O2)12(R,R-tart)12]·52H2O (1) chelated by tartrate has been successfully isolated. As the largest peroxotitanate reported, {Ti20} features 20 (hydro)­peroxo groups with three kinds of coordination modes in μ-η1:η2, μ-η2:η2, and η2 fashions. The cluster is stable in solution and solid states. It has been tested for the catalytic oxidations of methyl phenyl sulfide and pyridine with hydrogen peroxide, respectively, which shows reversible elimination and the addition of peroxo groups. This provides a rare example of well-characterized titanium peroxide for homogeneous catalysis and mechanism research.
doi_str_mv 10.1021/acs.inorgchem.8b01885
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title Wheel-Like Icosanuclear PeroxotitanateA Stable Water-Soluble Catalyst for Oxygen Transfer Reactions
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