Results 31 to 40 of about 5,641,250 (247)
Photocatalyzed Transition-Metal-Free Oxidative Cross-Coupling Reactions of Tetraorganoborates [PDF]
, 2020 Readily accessible tetraorganoborate salts undergo selective coupling reactions under blue light irradiation in the presence of catalytic amounts of transition-metal-free acridinium and rhodamine photocatalysts to furnish unsymmetrical biaryls ...
Thomas C., Jagau +6 more
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Palladium-catalyzed cross coupling reactions of 4-bromo-6H-1,2-oxazines
Beilstein Journal of Organic Chemistry, 2009 A number of 4-aryl- and 4-alkynyl-substituted 6H-1,2-oxazines 8 and 9 have been prepared in good yields via cross coupling reactions of halogenated precursors 2, which in turn are easily accessible by bromination of 6H-1,2-oxazines 1. Lewis-acid promoted
Reinhold Zimmer +5 more
doaj +1 more source
Recent Advances in Noble Metal Nanocatalysts for Suzuki and Heck Cross-Coupling Reactions
Molecules, 2010 Since metal nanoparticles have a high surface-to-volume ratio and very active surface atoms, they are very attractive catalysts for a wide variety of organic and inorganic reactions, compared to bulk catalysts.
Radha Narayanan
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Electro/Ni Dual-Catalyzed Decarboxylative C(sp3)−C(sp2) Cross-Coupling Reactions of Carboxylates and Aryl Bromide [PDF]
, 2023 Paired redox-neutral electrolysis offers an attractive green platform for organic synthesis by avoiding sacrificial oxidants and reductants. Here, we report the electro/Ni dual-catalyzed redox-neutral C(sp3)−C(sp2) cross-coupling reactions between ...
Daniel, Ess +3 more
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Catalysis by gold nanoparticles: carbon-carbon coupling reactions
Nanotechnology Reviews, 2013 Gold nanoparticles have been demonstrated to be efficient catalysts for a wide range of reactions in the past decades, such as oxidation and hydrogenation.
Li Gao, Jin Rongchao
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ChemistryOpen, 2021 Discovering efficient methods for the formation of carbon‐carbon bonds is a central ongoing theme in organic synthesis. Cross‐coupling reactions catalysed by metal nanoparticles are attractive alternatives to the traditional use of metal counterparts due
Jude I. Ayogu, Efeturi A. Onoabedje
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Beyond traditional defunctionalized cross-coupling reaction: scope, limitations, practicability & future prospects of recent electrochemical methodologies [PDF]
RSC AdvancesCross-coupling reactions are the most reliable techniques in organic synthesis for constructing various C–C and C–heteroatom bonds, enabling the formation of complex molecular scaffolds with significant chemical and physical properties and their diverse ...
Shubhendu Dhara +8 more
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Journal of the Turkish Chemical Society, Section A: Chemistry, 2017 There are quite many examples in the scientific literature regarding the acylation reactions, especially the metal-catalyzed acylation reactions, metal-free acylation reactions, metal-catalyzed acylation via cross-dehydrogenative coupling (CDC) reactions
Soykan Ağar, Ömer Tahir Günkara
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Química Nova, 2007 The development of the palladium catalyzed cross-coupling reactions employing organosilicon compounds is described. Important synthetic methods utilized to prepare organosilicons and different types of cross-coupling reactions involving these compounds ...
Róbson R. Teixeira +2 more
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Nickel-Catalyzed Kumada Cross-Coupling Reactions of Benzylic Sulfonamides
Molecules, 2021 Herein, we report a Kumada cross-coupling reaction of benzylic sulfonamides. The scope of the transformation includes acyclic and cyclic sulfonamide precursors that cleanly produce highly substituted acyclic fragments.
Kirsten A. Hewitt +3 more
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