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Pd Nanoclusters in CC Coupling Reactions: Proof of Leaching
Author(s) -
Thathagar Mehul B.,
ten Elshof Johan E.,
Rothenberg Gadi
Publication year - 2006
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200504321
Subject(s) - nanoclusters , iodobenzene , catalysis , heck reaction , leaching (pedology) , nanoporous , chemistry , palladium , ion , photochemistry , materials science , inorganic chemistry , organic chemistry , environmental science , soil science , soil water
A simple experiment based on exclusion of Pd nanoclusters was used to identify the true catalytic species in cluster‐catalyzed Heck cross‐couplings. A special reactor was used in which two compartments are separated by a nanoporous membrane that allows the passage of Pd atoms and ions but not of Pd nanoclusters (see picture). The results show that the real catalysts in the Heck coupling of n ‐butyl acrylate with iodobenzene are species leached from the Pd nanoclusters.
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