Modified ultradispersed diamonds based catalytic systems in cross-coupling reactions
https://doi.org/10.29235/1561-8331-2021-57-1-7-14
Abstract
Methods for preparation of nanocomposites of modified detonation nanodiamonds (DND) with metallic palladium have been developed and their catalytic activity in the Suzuki-Miyaura cross-coupling reaction in various reaction media has been studied. Methods for the regeneration of palladium-containing nanocomposites from the reaction mixture have been developed. The high catalytic activity of nanocomposites is confirmed by kinetic analysis based on the results of chromatographic analysis of the reaction mixture and is comparable to the literature data about similar catalytic systems. Regenerated nanocomposites showed the retention of catalytic activity for 3 consecutive cross-coupling cycles on model systems.
Keywords
nanodiamond,
catalysis,
cross-coupling,
Suzuki,
kinetics,
palladium,
composite,
purification,
aggregation,
ultrasound,
annealing,
ozonation,
reduction,
hydrogen
About the Authors
A. A. Lugovski
Republican Centre for Human Problems of the Belarusian State University
Belarus
Belarus
Alexander A. Lugovski - Ph. D. (Chemistry), Head of the Republican Center for Human Problems of the Belarusian State University.
7, Ac. Kurchatov Str., 220045, Minsk.
G. A. Gusakov
A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University
Belarus
Belarus
Gregory A. Gusakov - Ph. D. (Physics), Senior Researcher. A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University.
7, Ac. Kurchatov Str., 220045, Minsk.
M. P. Samtsov
A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University
Belarus
Belarus
Mihail P. Samtsov - Ph. D. (Physics),Associate Professor, Head of the Laboratory. A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University.
7, Ac. Kurchatov Str., 220045, Minsk.
V. A. Parhomenko
A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University
Belarus
Belarus
Vladislav A. Parhomenko - Junior Researcher. Republican Center for Human Problems of the Belarusian State University.
7, Ac. Kurchatov Str., 220045, Minsk.
S. V. Adamchyk
A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University
Belarus
Belarus
Sergey V. Adamchyk - Researcher. Republican Center for Human Problems of the Belarusian State University.
7, Ac. Kurchatov Str., 220045, Minsk.
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