et al., " Highly Selective Methods for alpha-Alkenylation and alpha-Arylation of Ketones via Palladium- or Nickle-Catalyzed Cross Coupling ", Chemistry Letters, 1007-1010 (1987).Highly selective methods forα-alkenylation andα-arylation of ketones via palladium-or nickel-catalyzed cross coupling. ...
PCP-Bis(phosphinite) pincer complexes:new homogeneous catalysts for α-arylation of ketones. Churruca, F,Martin, R. S,Tellitu, I,Dominguez, E. Tetrahedron Letters . 2006Churruca, F,Martin, R. S,Tellitu, I,Dominguez, E.PCP-Bis(phosphinite) pincer complexes:new homogeneous catalysts for ...
ChemInform Abstract: Reaction of Silyl Enol Ethers with Arenediazonium Salts. Part 1. . alpha.-Arylation of Ketones.alkylation, arylation, dealkylation, dearylation, C゛cylation, olefinationthiophene derivativesketones (benzene compounds)ChemInform is a weekly Abstracting Service, delivering concise ...
[reaction: see text] The activity of the complex (IPr)PdCl(eta2-N,C-C12H7NMe2), 1 [IPr = (N,N'-bis(2,6-diisopropylphenyl)imidazol)-2-ylidene], in the Suzuki-Miyaura cross-coupling reaction involving unactivated aryl chlorides and triflates with arylboronic acids at room temperature in...
alpha-Bromoketones undergo selenium dioxide oxidation to yield reactive 2-oxo-2-arylacetyl bromides that are trapped by aryl-1,2-diamines, 1,2-aminophenol ... M Nagaraj,S Sathiyamoorthy,M Boominathan,... - 《Journal of Heterocyclic Chemistry》 被引量: 10发表: 2013年 PYRROLO(1,2,3-ALP...
synthetic method for the alpha-arylation of ketones allows for the synthesis of previously inaccessible rocaglaol derivatives.The key sequence consists of a pre-viously unreported Suzuki type reaction using brominated si-lyl enol ethers as substrates followed by deprotection of the arylated silyl enol...
TOWARDS DIRECT ALPHA-ARYLATION OF KETONES VIA OXIDATIVE UMPOLUNG OF ENOLATESShimon Maksymenko
Pd-Catalyzed alpha-Arylation of alpha,alpha-Difluoroketones with Aryl Bromides and Chlorides. A Route to DifluoromethylarenesGe, ShaozhongChaladaj, WojciechHartwig, John FPd-catalyzedα-arylation ofα,α-difluoroketones with aryl bromides and chlorides.a route to difluorome...
The invention relates to new ligands that are used in a palladium source catalyst system and in palladium catalyzed method for asymmetric α-(hetero)arylation and a-vinylation of ketones. The invention further relates to a process for preparing an asymmetric α-(hetero)arylated or a-vinylated ...
The Rh-catalyzed reaction of arylboronic acids with internal alkynes under a CO atmosphere in the presence of an acid additive afforded alpha,beta-unsaturated ketones as the major products. Hydroacylation of internal alkynes, except in the case of diaryl acetylenes, proceeded in syn fashion, ...