A Tri-U(VI)-Substituted Tellurotungstate with a Trigonal Bipyramidal {NaWU <sub>3</sub> } Core: Synthesis, Structure, and Catalytic Properties

A novel U(VI)-substituted tellurotungstate, Na<sub>13</sub>H<sub>6</sub>[{NaWU<sub>3</sub>O<sub>10</sub>(H<sub>2</sub>O)<sub>3</sub>}(<i>B</i>-α-TeW<sub>9</sub>O<sub>33</sub>)<sub>3</sub>]·55H<sub>2</sub>O (<b>U</b><sub><b>3</b></sub><b>TeW</b>), was successfully synthesized through the reaction of trivacant Keggin precursors with 5f U(VI) ions. The compound was systematically characterized using various techniques. Structural analysis reveals that <b>U</b><sub><b>3</b></sub><b>TeW</b> consists of three [<i>B</i>-α-TeW<sub>9</sub>O<sub>33</sub>]<sup>8-</sup> fragments encapsulating a central heterometallic NaWU<sub>3</sub>O<sub>10</sub>(H<sub>2</sub>O)<sub>3</sub> cluster with a trigonal bipyramidal geometry. Furthermore, <b>U</b><sub><b>3</b></sub><b>TeW</b> exhibits remarkable photocatalytic activity in the visible-light-driven hydroacylation of dialkyl azodicarboxylates, enabling efficient C-N bond formation with excellent yields and broad substrate scope. This study provides a rare example of U(VI)-incorporated polyoxometalate-based photocatalysts applied in the field of C-H functionalization.

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Journal
Inorganic Chemistry
Published
2025-12-01
DOI
https://doi.org/10.1021/acs.inorgchem.5c04277
Primary Topic
Polyoxometalates: Synthesis and Applications
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article
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article

A Tri-U(VI)-Substituted Tellurotungstate with a Trigonal Bipyramidal {NaWU 3 } Core: Synthesis, Structure, and Catalytic Properties

Song Jiang, Guo‐Ping Yang, Hai‐Lou Li, Jianhua Ding et al.
Inorganic Chemistry
Polyoxometalates: Synthesis and Applications
article

A Tri-U(VI)-Substituted Tellurotungstate with a Trigonal Bipyramidal {NaWU 3 } Core: Synthesis, Structure, and Catalytic Properties

Song Jiang, Guo‐Ping Yang, Hai‐Lou Li, Jianhua Ding, Yufeng Liu, Mingyu Zhou
article en

Abstract

A novel U(VI)-substituted tellurotungstate, Na<sub>13</sub>H<sub>6</sub>[{NaWU<sub>3</sub>O<sub>10</sub>(H<sub>2</sub>O)<sub>3</sub>}(<i>B</i>-α-TeW<sub>9</sub>O<sub>33</sub>)<sub>3</sub>]·55H<sub>2</sub>O (<b>U</b><sub><b>3</b></sub><b>TeW</b>), was successfully synthesized through the reaction of trivacant Keggin precursors with 5f U(VI) ions. The compound was systematically characterized using various techniques. Structural analysis reveals that <b>U</b><sub><b>3</b></sub><b>TeW</b> consists of three [<i>B</i>-α-TeW<sub>9</sub>O<sub>33</sub>]<sup>8-</sup> fragments encapsulating a central heterometallic NaWU<sub>3</sub>O<sub>10</sub>(H<sub>2</sub>O)<sub>3</sub> cluster with a trigonal bipyramidal geometry. Furthermore, <b>U</b><sub><b>3</b></sub><b>TeW</b> exhibits remarkable photocatalytic activity in the visible-light-driven hydroacylation of dialkyl azodicarboxylates, enabling efficient C-N bond formation with excellent yields and broad substrate scope. This study provides a rare example of U(VI)-incorporated polyoxometalate-based photocatalysts applied in the field of C-H functionalization.

Inorganic ChemistryVol. 64(49)
Huanggang Normal University (CN), Xinyang Normal University (CN), Jiangxi University of Technology (CN), IONICS Mass Spectrometry (Canada) (CA), Catalytic Materials (United States) (US), East China University of Technology (CN)
Openalex Percentile: Top 69%
Polyoxometalates: Synthesis and Applications
DOISourceOpenAlex
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A Tri-U(VI)-Substituted Tellurotungstate with a Trigonal Bipyramidal {NaWU <sub>3</sub> } Core: Synthesis, Structure, and Catalytic Properties — Song Jiang, Guo‐Ping Yang, et al. · Inorganic Chemistry (2025) | TGRS Research Map | TGRS