史无前例的六聚钇钨酸砷纳米团簇Cs5Na23[AsCOH{Y2W4O10(H2O)5(AsW9O33)3}2]：合成、表征及其在硫醚氧化中的催化应用

IF 2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

ChemistrySelect Pub Date : 2025-07-18 DOI:10.1002/slct.202503790

Dr. Mukesh Kumar Saini, Shivani, Dr. Vivek Das, Dr. Miquel Barceló-Oliver, Prof. (Dr.) Firasat Hussain

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引用次数: 0

摘要

一种新型六聚体含钇钨酸砷纳米团簇，分子式为Cs5Na23[AsCOH{Y2W4O10(H2O)5-(AsW9O33)3}2]。在温和条件下，通过一锅反应成功合成了43H2O （1a）。用Y(NO3)3.6H2O和含（AsW9O33）的孤对三元钠盐在1 M pH = 4.7的醋酸钠缓冲溶液中分离纳米簇1a。采用单晶x射线衍射（SC-XRD）、热重分析（TGA）和傅里叶变换红外光谱（FT-IR）等分析技术对聚阴离子1a进行了表征。聚阴离子1a也被用于催化氧化不同的硫醚在绿色氧化剂即H2O2的存在下具有高的周转频率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

An Unprecedented Hexameric Yttrium Containing Arsenotungstate Nano-Cluster Cs5Na23[AsCOH{Y2W4O10(H2O)5(AsW9O33)3}2]: Synthesis, Characterization, and its Catalytic Application for Thioethers Oxidation

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A novel hexameric yttrium containing arsenotungstate nano-cluster having formula Cs₅Na₂₃[AsCOH{Y₂W₄O₁₀(H₂O)₅-(AsW₉O₃₃)₃}₂].43H₂O (1a) has been successfully synthesized by a one-pot reaction under mild conditions. The nanocluster 1a was isolated using Y(NO₃)₃.6H₂O and trilacunary sodium salt of lone pair containing (AsW₉O₃₃) in 1 M sodium acetate buffer solution with pH = 4.7. The polyanion 1a was characterized with different analytical techniques such as single crystal X-ray diffraction (SC-XRD), thermogravimetric analysis (TGA), and Fourier transform infrared (FT-IR) spectroscopy. The polyanion 1a was also used for catalytic oxidation of different thioethers in the presence of a green oxidant i.e., H₂O₂ with high turnover frequency.

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来源期刊

ChemistrySelect Chemistry-General Chemistry

CiteScore

3.30

自引率

4.80%

发文量

1809

审稿时长

1.6 months

期刊介绍： ChemistrySelect is the latest journal from ChemPubSoc Europe and Wiley-VCH. It offers researchers a quality society-owned journal in which to publish their work in all areas of chemistry. Manuscripts are evaluated by active researchers to ensure they add meaningfully to the scientific literature, and those accepted are processed quickly to ensure rapid online publication.