期刊
JOURNAL OF CATALYSIS
卷 313, 期 -, 页码 1-8出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2014.02.008
关键词
Pd nanoparticles; Sonogashira reaction; Bimetallic Pd/Cu; Heterogeneous catalysis; Sonogashira coupling; Palladium oxide
资金
- Polish National Research and Development Center [PBS2/A5/40/2014]
- FORSZT
A copper-supported nanopalladium catalyst obtained by an innovative method of nanoparticle transfer from the intermediate carrier SiO2 to the target Cu carrier was a highly efficient and selective catalyst, giving as much as quantitative conversion and yield in a series of Sonogashira reactions. Comparisons with other Pd systems, especially Pd/SiO2, indicated substantial advantages for this novel catalytic system. X-ray photoelectron spectroscopy (XPS) studies of the prepared Pd/Cu catalyst revealed the development of a Pdo species in the Pd/Cu system and illustrated for the first time the importance of the resulting Pd/PdO/Cu system for efficient Sonogashira coupling. (C) 2014 Elsevier Inc. All rights reserved.
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