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Stability of Pd/C Catalysts in Solvents for Organic Synthesis

The effect of carbon supports and preparation methods of Pd/C catalysts on leaching of palladium-containing species to the solution upon interaction of a catalyst with a solvent was considered. The leaching of palladium from the support surface into pure solvents was studied by high resolution mass...

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Bibliographic Details
Published in:Doklady. Chemistry 2023-10, Vol.512 (2), p.292-297
Main Authors: Galushko, A. S., Ilyushenkova, V. V., Burykina, Yu. V., Shaidullin, R. R., Pentsak, E. O.
Format: Article
Language:English
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Summary:The effect of carbon supports and preparation methods of Pd/C catalysts on leaching of palladium-containing species to the solution upon interaction of a catalyst with a solvent was considered. The leaching of palladium from the support surface into pure solvents was studied by high resolution mass spectrometry. It has been shown that the type of leached palladium species formed in the solution depends not only on the solvent, but also on the method of catalyst deposition on the support and the support nature. It has been found that the use of phosphorus-doped carbon (PC) as a support also results in palladium leaching into solution. In addition, the activity of the catalysts supported on graphite and PC decreased to the same degree both in the Suzuki–Miyaura and Mizoroki–Heck reactions.
ISSN:0012-5008
1608-3113
DOI:10.1134/S0012500823600657