(IPr)Pd(acac)Cl: An Easily Synthesized, Efficient, and Versatile Precatalyst for C−N and C−C Bond Formation
作者:Nicolas Marion、Elise C. Ecarnot、Oscar Navarro、Dino Amoroso、Andrew Bell、Steven P. Nolan
DOI:10.1021/jo060190h
日期:2006.5.1
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 α-ketone arylation reactions. A wide range of substrates has been screened, including unactivated, sterically hindered, and heterocyclic aryl chlorides.
从两种市售原料Pd(acac)2和IPr·HCl [acac =乙酰丙酮酸盐;IPr =N,已开发出N′-双(2,6-二异丙基苯基)咪唑-2-亚烷基]。所得的络合物(IPr)Pd(acac)Cl(1)已被证明是在Buchwald-Hartwig和α-酮芳基化反应中具有高活性的Pd II预催化剂。已经筛选了多种底物,包括未活化的,位阻的和杂环芳基氯化物。