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Reversible Formation of a Cerium‐Bound Terminal Hydride: Ce(C 5 Me 4 SiMe 3 ) 2 (H)(thf)
Author(s) -
Summerscales Owen T.,
Batista Enrique R.,
Scott Brian L.,
Wilkerson Marianne P.,
Sutton Andrew D.
Publication year - 2016
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201600737
Subject(s) - chemistry , hydride , cerium , alkene , cyclopentadienyl complex , lanthanide , medicinal chemistry , catalysis , ligand (biochemistry) , inorganic chemistry , polymer chemistry , organic chemistry , metal , ion , biochemistry , receptor
The use of the bulky cyclopentadienyl ligand Cp′ (Cp′ = C 5 Me 4 SiMe 3 ) to stabilize cerium hydrides has resulted in the preparation of two novel tuck‐in complexes with C–H activated SiMe 3 groups. Subsequent reaction of these with H 2 in thf gives a lanthanide terminal hydride species Ce(Cp′) 2 (H)(thf) which reversibly regenerates the tuck‐in complex under sustained vacuum. This compound is only the second structurally characterized terminal cerium hydride. This new hydride is a catalyst in H/D exchange reactions between with both sp 3 ‐CH and sp 2 ‐CH bonds, and for the hydrogenation of unsaturated alkene bonds.
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