Results 141 to 150 of about 3,066,437 (179)

Palladium-catalyzed direct arylation of phenols with aryl iodides

Organic & Biomolecular Chemistry, 2015
An efficient protocol of palladium-catalyzed direct para -arylation of unfunctionalized phenols with aryl iodides under mild conditions was reported.
Rongrong, Long, Xufei, Yan, Zhiqing, Wu, Zhengkai, Li, Haifeng, Xiang, Xiangge, Zhou   +5 more
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Catalytic Intermolecular Direct Arylation of Perfluorobenzenes.

ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Marc, Lafrance, Christopher N, Rowley, Tom K, Woo, Keith, Fagnou   +3 more
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A General Method for the Direct α‐Arylation of Nitriles with Aryl Chlorides.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Jingsong, You, John G, Verkade
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Catalytic Direct β-Arylation of Simple Ketones with Aryl Iodides

Journal of the American Chemical Society, 2013
Herein we report a direct β-arylation of simple ketones with widely available aryl iodides, combining palladium-catalyzed ketone oxidation, aryl-halide activation, and conjugate addition through a single catalytic cycle. Simple cyclic ketones with different ring-sizes, as well as acyclic ketones, can be directly arylated at the β-position with complete
Zhongxing, Huang, Guangbin, Dong
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High-Yielding Intramolecular Direct Arylation Reactions with Aryl Chlorides

Organic Letters, 2005
[reaction: see text] An N-heterocyclic carbene palladium catalyst system is used to promote direct arylation of a broad range of aryl chlorides to form six- and five-membered ring biaryls. An influence of the halide on the palladium precatalyst on catalyst activation has been revealed, as has a beneficial effect of NHC salts that allows the turnover ...
Louis-Charles, Campeau, Praew, Thansandote, Keith, Fagnou   +2 more
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Palladium-Catalyzed Direct Arylation of Methyl Sulfoxides with Aryl Halides

Journal of the American Chemical Society, 2013
The palladium-catalyzed α-arylation of unactivated sulfoxides has been developed. The weakly acidic α-protons of sulfoxides are reversibly deprotonated by LiOtBu, and a palladium phosphine complex facilitates the arylation. A variety of aryl methyl sulfoxides were coupled with aryl bromides.
Tiezheng, Jia, Ana, Bellomo, Kawtar E L, Baina, Spencer D, Dreher, Patrick J, Walsh   +4 more
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Direct Arylations of 2H-Indazoles On Water [PDF]

Organic Letters, 2009
The efficient palladium-catalyzed synthesis of a range of substituted 2H-Indazoles via C-H arylation is reported. Reactions are performed on water and provide a direct and mild route toward 2,3-diaryl indazoles of widespread biological significance.
Ohnmacht, Stephan A., Culshaw, Andrew J., Greaney, Michael F.   +2 more
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Allocolchicinoid Synthesis via Direct Arylation

Organic Letters, 2005
[reaction: see text] A formal enantioselective synthesis of allocolchicine and a synthesis of a C-ring analogue have been achieved by employing an intramolecular direct arylation of an aryl chloride to form the biaryl carbon-carbon bond and the seven-membered ring.
Mélissa, Leblanc, Keith, Fagnou
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Palladium‐Catalyzed Direct Arylation of Thiazoles with Aryl Bromides.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Aya Yokooji, Toru Okazawa, Tetsuya Satoh, Masahiro Miura, Masakatsu Nomura   +4 more
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Direct amination of aryl halides with ammonia

Chemical Society Reviews, 2010
The traditional homogeneous access to aromatic amine derivatives is a nucleophilic aromatic substitution of the corresponding aryl halides. The halogen atom is usually relatively inert to amination reaction unless it is activated by the presence of electron withdrawing groups. Consequently, there has been particular emphasis over the past decade on the
Aubin, Yoann, Fischmeister, Cédric, Thomas, C., Renaud, J.-L.   +3 more
openaire   +4 more sources