(IPr)Pd(acac)Cl: an easily synthesized, efficient, and versatile precatalyst for C-N and C-C bond formation |
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| Authors: | Marion Nicolas Ecarnot Elise C Navarro Oscar Amoroso Dino Bell Andrew Nolan Steven P |
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| Affiliation: | Department of Chemistry, University of New Orleans, New Orleans, Louisiana 70148, USA. |
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| Abstract: | A very straightforward synthesis of (IPr)Pd(acac)Cl from two commercially available starting materials, Pd(acac)2 and IPr.HCl [acac = acetylacetonate; IPr = N,N'-bis(2,6-diisopropylphenyl)imidazol-2-ylidene], has been developed. The resulting complex, (IPr)Pd(acac)Cl (1), has proven to be a highly active PdII precatalyst in the Buchwald-Hartwig and the alpha-ketone arylation reactions. A wide range of substrates has been screened, including unactivated, sterically hindered, and heterocyclic aryl chlorides. |
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