Journal Article10.1016/j.mcat.2023.113428
A new metal−organic complex with coordination unsaturated Co(II) as high-efficiency heterogeneous catalyst for selective oxidation of alkylbenzenes
Yu-Yao Li,Xiaohui Li,Na Xu,Zhidong An,Yang Chu,Xiuyan Wang +5 more
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TL;DR: Researchers develop a new cobalt-based metal-organic complex that efficiently catalyzes the oxidation of alkylbenzenes to ketones, achieving a 95.6% conversion rate comparable to the highest values of reported transition metal-based catalysts.
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Abstract: Converting C–H bonds into valuable compounds is a challenging goal in synthetic chemistry, yet it is both economically and environmentally beneficial. Developing high-efficiency catalysts for the oxidation of saturated C–H bonds is of great significance. Herein, a new cobalt-containing metal-organic complex, [Co2(L)0.5(MTC)(µ3-OH)(H2O)2]·2H2O (1, L = (E)-4,4′-(ethene-1,2-diyl)bis(N-(pyridin-3-yl)benzamide), H3MTC = benzene-1,2,4-tricarboxylic acid), was successfully prepared with Co(NO3)2, ligand L and H3MTC through one-step hydrothermal synthesis. Complex 1 was found to be a highly effective heterogeneous catalyst for accelerating the oxidation reaction of alkylbenzenes to ketone products. The conversion of diphenylmethane to benzophenone over complex 1 was 95.6%, which was comparable to the highest values of reported transition metal-based catalysts. A possible catalytic reaction mechanism was proposed.
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Oxygen-Free Csp3-H Oxidation of Pyridin-2-yl-methanes to Pyridin-2-yl-methanones with Water by Copper Catalysis
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Yingli Xu,Junjie Wang,Jiaxin Xing,Ting Bai,Dong Wang,Pengcheng Zhou +5 more
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Immobilization of Keggin polyoxovanadoniobate in crystalline solids to produce effective heterogeneous catalysts towards selective oxidation of benzyl-alkanes.
Jufang Hu,Jing Dong,Xianqiang Huang,Xianqiang Huang,Yingnan Chi,Zhengguo Lin,Jikun Li,Song Yang,Hongwei Ma,Changwen Hu +9 more
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