Reference of 14347-78-5, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, 14347-78-5, Name is (R)-(2,2-Dimethyl-1,3-dioxolan-4-yl)methanol, SMILES is OC[C@H]1OC(C)(C)OC1, belongs to copper-catalyst compound. In a article, author is Jiang, Yong, introduce new discover of the category.
Enhanced catalytic phenol hydroxylation by CuZnFeAl layered double hydroxides: synergistic effects of Cu+ and oxygen vacancies
In this work, a series of CuZnFeAl-LDH catalysts for phenol oxidation to dihydroxybenzene have been prepared through a co-precipitation method. Versatile characterization studies are applied to reveal electron transfer from oxygen vacancies to Cu2+ on the LDH surface. The resulting Cu+ benefits the formation of hydroxyl radicals to promote the catalytic activity. Besides, through inverse gas chromatography (IGC), the acid-base hydrotalcite surface can be quantitatively determined. Both the oxygen vacancies and acid-base ratio (K-a/K-b) abide by a volcano-like tendency with the addition of copper content, which is consistent with the catalysis result. Among all these catalysts, 15/CuZnFeAl-LDH presents the optimal conversion (66.9%), selectivity (71.3%), and stable recyclability under mild conditions (60 degrees C, 1.0 MPa), respectively, and is environmentally-friendly and energy efficient. The high efficiency of this catalyst is mainly attributed to the synergistic effect between Cu+ and oxygen vacancies promoted by K-a/K-b.
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Reference:
Copper catalysis in organic synthesis – NCBI,
,Special Issue “Fundamentals and Applications of Copper-Based Catalysts”