Synthesis and Characterization of Silver and Palladium Complexes with Xanthene-Based N-Heterocyclic Carbene−Oxazoline Ligands

We synthesized xanthenes substituted with two different donor ligand units, N-heterocyclic carbene (NHC) and oxazoline, by the sequential coupling reaction. Silver complexes 15 and 19 were prepared by the reaction between the xanthene derivatives and Ag2O. Pd complexes 16 and 20 were also synthesize...

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Bibliographic Details
Published in:Organometallics 2010-12, Vol.29 (23), p.6291-6297
Main Authors: Makino, Takeshi, Yamasaki, Ryu, Azumaya, Isao, Masu, Hyuma, Saito, Shinichi
Format: Article
Language:English
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Summary:We synthesized xanthenes substituted with two different donor ligand units, N-heterocyclic carbene (NHC) and oxazoline, by the sequential coupling reaction. Silver complexes 15 and 19 were prepared by the reaction between the xanthene derivatives and Ag2O. Pd complexes 16 and 20 were also synthesized by the reaction of the corresponding silver complexes with Pd(PhCN)2Cl2. X-ray crystallographic analysis revealed that complexes 15-PF 6 , 16, and 20 adopted trans configurations, while the Ag atom of 15-Cl coordinated only to the NHC ligand.
ISSN:0276-7333
1520-6041
DOI:10.1021/om100673e