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Autocatalytic intermolecular versus intramolecular deprotonation in C-H bond activation of functionalized arenes by ruthenium(II) or palladium(II) complexes.
The activation of the C-H bond of 1-phenylpyrazole (2) and 2-phenyl-2-oxazoline (3) by [Ru(OAc)2(p-cymene)] is an autocatalytic process catalyzed by the co-product HOAc. The reactions are indeedExpand
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Oxidative Addition of Haloheteroarenes to Palladium(0): Concerted versus SN Ar-Type Mechanism.
The kinetics of the oxidative additions of haloheteroarenes HetX (X=I, Br, Cl) to [Pd(0) (PPh3 )2 ] (generated from [Pd(0) (PPh3 )4 ]) have been investigated in THF and DMF and the rate constantsExpand
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Synthesis of Aromatic Sulfones from SO2 and Organosilanes Under Metal-free Conditions.
The conversion of SO2 into arylsulfones under metal-free conditions was achieved for the first time by reacting SO2 with (hetero)arylsilanes and alkylhalides in the presence of a fluoride source. TheExpand
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CO2 Conversion into Esters by Fluoride-Mediated Carboxylation of Organosilanes and Halide Derivatives.
A one-step conversion of CO2 into heteroaromatic esters is presented under metal-free conditions. Using fluoride anions as promoters for the C-Si bond activation, pyridyl, furanyl, and thienylExpand
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Pyridine-Based PCP-Ruthenium Complexes: Unusual Structures and Metal-Ligand Cooperation.
Metal-ligand cooperation (MLC) by dearomatization/aromatization provides a unique way for bond activation, which has led to the discovery of various acceptorless dehydrogenative coupling reactions.Expand
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C-C Bond Formation of Benzyl Alcohols and Alkynes Using a Catalytic Amount of KOt Bu: Unusual Regioselectivity through a Radical Mechanism.
We report a C-C bond-forming reaction between benzyl alcohols and alkynes in the presence of a catalytic amount of KOt Bu to form α-alkylated ketones in which the C=O group is located on the sideExpand
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Iron Porphyrin Does Fast and Selective Electrocatalytic Conversion of CO2 to CO in a Flow Cell.
Molecular catalysts have been shown to have high selectivity for CO 2 electrochemical reduction to CO, but with current densities significantly below those obtained with solid-state materials. ByExpand
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Formamides as Isocyanate Surrogates: A Mechanistically-Driven Approach to the Development of Atom-Efficient, Selective Catalytic Syntheses of Ureas, Carbamates and Heterocycles.
Despite the hazardous nature of isocyanates, they remain key building blocks in bulk and fine chemical synthesis. By surrogating them with less potent and readily available formamide precursors, weExpand
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Activation of SO2 by N/Si+ and N/B Frustrated Lewis Pairs: Experimental and Theoretical Comparison with CO2 Activation.
The guanidine 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) and the substituted derivatives [TBD-SiR2 ]+ and TBD-BR2 reacted with SO2 to give different FLP-SO2 adducts. Molecular structures, elucidatedExpand
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Hydrogenative Depolymerization of Nylons
The widespread crisis of plastic pollution demands discovery of new and sustainable approaches to degrade robust plastics such as nylons. Using a green and sustainable approach based onExpand
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