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Palladium–(N‐Heterocyclic Carbene) Hydrogenation Catalysts
Author(s) -
Sprengers Jeroen W.,
Wassenaar Jeroen,
Clement Nicolas D.,
Cavell Kingsley J.,
Elsevier Cornelis J.
Publication year - 2005
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.200462930
Subject(s) - carbene , palladium , alkene , catalysis , chemistry , propyne , propene , medicinal chemistry , organic chemistry
Low‐valent palladium compounds with N‐heterocyclic carbenes (NHCs) formed from [Pd(NHC)(η 2 ‐alkene) 2 ] (see example) are amazingly selective catalysts for the hydrogenation of several alkynes to Z alkenes. One such complex, [Pd{1,3‐(2,6‐diethylphenyl)imidazol‐2‐ylidene}], has been employed for the selective (95 %) hydrogenation of 1‐phenyl‐1‐propyne to ( Z )‐1‐phenyl‐1‐propene.
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