Palladium-catalyzed C–P(III) bond formation reaction with acylphosphines as phosphorus source
作者:Rongrong Yu、Xingyu Chen、Zhiqian Wang
DOI:10.1016/j.tetlet.2016.06.088
日期:2016.7
Palladium-catalyzed C–P(III) bond formation reaction employing acylphosphines as the phosphorus source was developed. Under the optimized conditions, acylphosphines could react with aryl halides directly affording trivalent phosphines in up to 94% yield.
We synthesized a series of acylphosphines and investigated the hydrosilylation of alkenes that were catalyzed using RhCl3/acylphosphine. The results indicated that RhCl3/(diphenylphosphino) (phenyl)methanone exhibited higher activity as well as higher levels of β–adduct selectivity.
The carbonyl group tuned electron-deficient phosphorus ligands and their application in Rhodium catalyzed arylation to aldehydes
作者:Jiefang Yang、Xingyu Chen、Zhiqian Wang
DOI:10.1016/j.tetlet.2015.08.076
日期:2015.10
Acylphosphines, which could be efficiently prepared from acid chlorides and secondary phosphines, were developed as a type of carbonyl group tuned electron-deficient phosphorus ligand. They were found to be a kind of efficient ligand in Rhodium catalyzed arylation to aldehydes through accelerating the transmetalation process. Chiral acylphosphine ligands could be generated from carboxylic acids bearing the chiral framework correspondingly. (C) 2015 Elsevier Ltd. All rights reserved.