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Copper-containing polymethylsilsesquioxane nanocomposites in catalytic olefination reaction

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Vasil'kov A. Y. et al. Copper-containing polymethylsilsesquioxane nanocomposites in catalytic olefination reaction // Mendeleev Communications. 2022. Vol. 32. No. 4. pp. 478-481.
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Vasil'kov A. Y., Migulin D. A., Muzalevskiy V. M., Naumkin A. V., Pereyaslavtsev A. Y., Zubavichus Y. V., Nenajdenko V. G., Muzafarov A. M. Copper-containing polymethylsilsesquioxane nanocomposites in catalytic olefination reaction // Mendeleev Communications. 2022. Vol. 32. No. 4. pp. 478-481.
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TY - JOUR
DO - 10.1016/j.mencom.2022.07.016
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2022.07.016
TI - Copper-containing polymethylsilsesquioxane nanocomposites in catalytic olefination reaction
T2 - Mendeleev Communications
AU - Vasil'kov, Alexander Yur'evich
AU - Migulin, Dmitry Alekseevich
AU - Muzalevskiy, Vasilii Mikhailovich
AU - Naumkin, Alexander Vasil'evich
AU - Pereyaslavtsev, Alexander Yur'evich
AU - Zubavichus, Yan Vitautasovich
AU - Nenajdenko, Valentin Georgievich
AU - Muzafarov, Aziz Mansurovich
PY - 2022
DA - 2022/07/01
PB - Mendeleev Communications
SP - 478-481
IS - 4
VL - 32
ER -
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@article{2022_Vasil'kov,
author = {Alexander Yur'evich Vasil'kov and Dmitry Alekseevich Migulin and Vasilii Mikhailovich Muzalevskiy and Alexander Vasil'evich Naumkin and Alexander Yur'evich Pereyaslavtsev and Yan Vitautasovich Zubavichus and Valentin Georgievich Nenajdenko and Aziz Mansurovich Muzafarov},
title = {Copper-containing polymethylsilsesquioxane nanocomposites in catalytic olefination reaction},
journal = {Mendeleev Communications},
year = {2022},
volume = {32},
publisher = {Mendeleev Communications},
month = {Jul},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2022.07.016},
number = {4},
pages = {478--481},
doi = {10.1016/j.mencom.2022.07.016}
}
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Vasil'kov, Alexander Yur'evich, et al. “Copper-containing polymethylsilsesquioxane nanocomposites in catalytic olefination reaction.” Mendeleev Communications, vol. 32, no. 4, Jul. 2022, pp. 478-481. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2022.07.016.

Keywords

p-chlorobenz- aldehyde
catalytic olefination
copper nanoparticles
halostyrenes
hydrazones
metal-vapor synthesis
polyhaloalkanes
polymethylsilsesquioxane

Abstract

New copper-containing organosilicon hybrid materials were synthesized by the reaction of branched polymethyl- silsesquioxane with copper nanoparticles prepared by the metal-vapor synthesis. Hybrid materials showed a high activity in the catalytic olefination of p-chlorobenzaldehyde hydrazone with polyhaloalkanes such as CBrCl3, CBr4 and CF CBr to afford the corresponding halostyrenes in the yields above 80%. The structure and composition of the prepared nanocomposites were studied by X-ray using synchrotron radiation to show that the active sites of the catalysts are mixed copper(I)–copper(II) oxides (Cu–Cu2O–CuO) in nature.

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