Transformations of Aryl Ketones via Ligand‐Promoted C−C Bond Activation
作者:Hanyuan Li、Biao Ma、Qi‐Sheng Liu、Mei‐Ling Wang、Zhen‐Yu Wang、Hui Xu、Ling‐Jun Li、Xing Wang、Hui‐Xiong Dai
DOI:10.1002/anie.202006740
日期:2020.8.17
The coupling of aromatic electrophiles (aryl halides, aryl ethers, aryl acids, aryl nitriles etc.) with nucleophiles is a core methodology for the synthesis of aryl compounds. Transformations of arylketones in an analogous manner via carbon–carbon bond activation could greatly expand the toolbox for the synthesis of aryl compounds due to the abundance of arylketones. An exploratory study of this
Functionalized styrene synthesis via palladium-catalyzed C C cleavage of aryl ketones
作者:Xu Zhang、Zhen-Yu Wang、Xing Wang、Hui Xu、Hui-Xiong Dai
DOI:10.1016/j.tetlet.2022.153721
日期:2022.4
We report herein the synthesis of functionalized styrenes via palladium-catalyzed Suzuki–Miyaura cross-coupling reaction between aryl ketone derivatives and potassium vinyltrifluoroborate. The employment of pyridine-oxazoline ligand was the key to the cleavage of unstrained CC bond. A variety of functional groups and biologically important moleculars were well tolerated. The orthogonal Suzuki–Miyaura
aliphatic carbonyl reduction over aromatic carbonyl reduction. Moreover, the reaction showed good functional group tolerance and broad substrate scope as well as great potential in the late-stage modification and synthesis of natural products and pharmaceutical skeletons. Preliminary mechanistic studies and DFT calculations revealed that this reaction involved the deoxygenation of 1,3-diketone to α, β-unsaturated