Intermolecular Radical C–H Bond Activation: A Powerful Tool for Late Stage Functionalization
The synthesis of complex molecules via radical reactions involving carbon–carbon and carbon–heteroatom bonds has become a very successful approach. Radical chemistry has long been dominated by the use of tin-based reagents.
Fabrice Dénès
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Metal Nanoparticles as Sustainable Tools for C–N Bond Formation via C–H Activation
The design of highly active metal nanoparticles to be employed as efficient heterogeneous catalysts is a key tool for the construction of complex organic molecules and the minimization of their environmental costs.
Federica Valentini +2 more
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Lead-free B-site bimetallic perovskite photocatalyst for efficient benzylic C–H bond activation
Summary: Although bismuth (Bi)-based halide perovskites have attracted profound attention in photocatalysis, the undesirable photophysical properties are not well modulated, and the effect of surface structure on adsorption and activation of reactant ...
Ming Shi +7 more
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Computational exploration of the reaction mechanism of the Cu+-catalysed synthesis of indoles from N-aryl enaminones [PDF]
We have studied the role of Cu+-phenantroline as a catalyst in the cyclization of N-aryl-enaminones using density-functional theory computations. The catalyst was found to bind the substrate upon deprotonation of its eneaminone, and to dramatically ...
Carlos E. P. Bernardo, Pedro J. Silva
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Ni-catalyzed benzylic β-C(sp3)–H bond activation of formamides
The development of 3d-metal-catalyzed β-C–H bond activation via 4-membered metallacycles remains an elusive challenge. Here, the authors report a Ni-Al bimetal-catalyzed β-C(sp3)–H bond activation of formamides via 4-membered nickelacycles.
Rong-Hua Wang +7 more
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Co(III) Intermediates in Cobalt-Catalyzed, Bidentate Chelation Assisted C(sp2)-H Functionalizations
The C-H bond activation and functionalization is a powerful tool that provides efficient access to various organic molecules. The cobalt-catalyzed oxidative C-H bond activation and functionalization has earned enormous interest over the past two decades.
Aleksandrs Cizikovs, Liene Grigorjeva
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Ligand Lone-Pair Influence on Hydrocarbon C-H Activation: A Computational Perspective [PDF]
Mid to late transition metal complexes that break hydrocarbon C-H bonds by transferring the hydrogen to a heteroatom ligand while forming a metal-alkyl bond offer a promising strategy for C-H activation.
Cundari, Thomas R. +4 more
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Competitive Activation of a Methyl C−H Bond of Dimethylformamide at an Iridium Center [PDF]
During the synthesis of [AsPh_4][Ir(CO)_2I_3Me] by refluxing IrCl_3·3H_2O in DMF (DMF = dimethylformamide) in the presence of aqueous HCl, followed by sequential treatment with [AsPh_4]Cl, NaI, and methyl iodide and finally recrystallization from ...
Bercaw, John E. +4 more
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Intra- and Intermolecular C−H Activation by Bis(phenolate)pyridineiridium(III) Complexes [PDF]
A bis(phenolate)pyridine pincer ligand (henceforth abbreviated as ONO) has been employed to support a variety of iridium complexes in oxidation states I, III, and IV.
Bercaw, John E. +2 more
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Long-Range C–H Bond Activation by Rh^(III)-Carboxylates [PDF]
Traditional C–H bond activation by a concerted metalation–deprotonation (CMD) mechanism involves precoordination of the C–H bond followed by deprotonation from an internal base. Reported herein is a “through-arene” activation of an uncoordinated benzylic
Fu, Ross +5 more
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