Synthesis, Characterization, and Catalytic Activity of N-Heterocyclic Carbene (NHC) Palladacycle Complexes
Palladacycle dimers possessing bridging halides can be easily cleaved by using N-heterocyclic carbenes (NHCs) to generate novel monomeric complexes. The structure of one of these was determined by single-crystal diffraction study and consists of a square-planar coordination around the palladium cent...
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| Veröffentlicht in: | Organic letters 2003-05, Vol.5 (9), p.1479-1482 |
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| container_title | Organic letters |
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| creator | Viciu, Mihai S Kelly, Roy A Stevens, Edwin D Naud, Frédéric Studer, Martin Nolan, Steven P |
| description | Palladacycle dimers possessing bridging halides can be easily cleaved by using N-heterocyclic carbenes (NHCs) to generate novel monomeric complexes. The structure of one of these was determined by single-crystal diffraction study and consists of a square-planar coordination around the palladium center where the NHC ligand is trans to the amine of the palladacycle. The complex was found to be equally active in aryl amination and α-arylation of ketones even at very low catalyst loading (0.02 mol %). Primary and secondary alkyl/arylamines are equally active partners in coupling reactions. |
| doi_str_mv | 10.1021/ol034264c |
| format | Article |
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| language | eng |
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| source | ACS Publications |
| title | Synthesis, Characterization, and Catalytic Activity of N-Heterocyclic Carbene (NHC) Palladacycle Complexes |
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