N‐Heterocyclic‐Carbene‐Catalyzed Reactions of Nitroalkenes: Synthesizing Important Building Blocks
Sign Up to like & getrecommendations! Published in 2018 at "Asian Journal of Organic Chemistry"
DOI: 10.1002/ajoc.201700520
Abstract: Recent developments of N-heterocyclic carbenes (NHCs)- catalyzed acyl-anion equivalent (Stetter reaction), homoenolate and enolate reactions with reactive nitroalkene as a Michael acceptor are described. Systematically, a unique strategy for NHC-catalyzed C-C bond formation reactions using… read more here.
Keywords: nitroalkenes synthesizing; catalyzed reactions; synthesizing important; reactions nitroalkenes ... See more keywords
Heteroleptic (N-heterocyclic carbene)–Pd–pyrazole (indazole) complexes: Synthesis, characterization and catalytic activities towards C–C and C–N cross-coupling reactions
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DOI: 10.1002/aoc.3734
Abstract: Eight heteroleptic palladium complexes containing both N-heterocyclic carbenes and NH-heterocycle azoles (pyrazole and indazole) were synthesized and characterized, and their structures were unambiguously confirmed using single-crystal X-ray diffraction. Further investigation of the complexes as catalysts… read more here.
Keywords: heteroleptic heterocyclic; indazole complexes; complexes synthesis; carbene pyrazole ... See more keywords
Bench‐Stable N‐Heterocyclic Carbene Nickel Precatalysts for C−C and C−N Bond‐Forming Reactions
Sign Up to like & getrecommendations! Published in 2018 at "Chemcatchem"
DOI: 10.1002/cctc.201800454
Abstract: Herein, we introduce a new class of bench‐stable N‐heterocyclic carbene (NHC) nickel‐precatalysts for homogeneous nickel‐catalysis. The nickel(II) complexes are readily activated to Ni0 in situ under mild conditions, via a proposed Heck‐type mechanism. The precatalysts are… read more here.
Keywords: stable heterocyclic; bench stable; carbene nickel; nickel precatalysts ... See more keywords
N‐Heterocyclic Carbene/Cobalt Cooperative Catalysis for the Chemo‐ and Regioselective C−N Bond Formation between Aldehyde and Amines/Amides
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DOI: 10.1002/cctc.202000156
Abstract: A novel methodology for the construction of various secondary (4 examples), tertiary amides (31 examples), and imides (16 examples) by a Cobalt(II) catalyzed oxidative amide coupling in aqueous media. The Co(III)‐TMC was reacted with N‐Heteroatom… read more here.
Keywords: aldehyde; bond; carbene cobalt; carbene ... See more keywords
Cationic and Neutral N‐Heterocyclic Carbene Gold(I) Complexes: Cytotoxicity, NCI‐60 Screening, Cellular Uptake, Inhibition of Mammalian Thioredoxin Reductase, and Reactive Oxygen Species Formation
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DOI: 10.1002/cmdc.201800181
Abstract: A structurally diverse library of 14 gold(I) cationic bis(NHC) and neutral mono(NHC) complexes (NHC: N‐heterocyclic carbene) was synthesized and characterized in this work. Four of them were new cationic gold(I) complexes containing functionalized NHCs, and… read more here.
Keywords: thioredoxin reductase; gold; cytotoxicity; gold complexes ... See more keywords
N‐Heterocyclic Carbene (NHC) Silver Complexes as Versatile Chemotherapeutic Agents Targeting Human Topoisomerases and Actin
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DOI: 10.1002/cmdc.202200345
Abstract: In recent years, the number of people suffering from cancer has risen rapidly and the World Health Organization and U.S. and European governments have identified this pathology as a priority issue. It is known that… read more here.
Keywords: carbene nhc; human topoisomerases; silver; chemotherapeutic agents ... See more keywords
Homogeneous Water Oxidation by Half-Sandwich Iridium(III) N-Heterocyclic Carbene Complexes with Pendant Hydroxy and Amino Groups.
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DOI: 10.1002/cssc.201701370
Abstract: Herein, we report three IrIII Cp* complexes with hydroxy- or amino-functionalized N-heterocyclic carbene (NHC) ligands that catalyze efficient water oxidation induced by addition of ceric ammonium nitrate (CAN). The pendant hydroxy or amino groups are… read more here.
Keywords: water; hydroxy amino; water oxidation; heterocyclic carbene ... See more keywords
N‐Heterocyclic Carbene Acyl Anion Organocatalysis by Ball‐Milling
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DOI: 10.1002/cssc.201902346
Abstract: Abstract The ability to conduct N‐heterocyclic carbene‐catalysed acyl anion chemistry under ball‐milling conditions is reported for the first time. This process has been exemplified through applications to intermolecular‐benzoin, intramolecular‐benzoin, intermolecular‐Stetter and intramolecular‐Stetter reactions including asymmetric… read more here.
Keywords: ball milling; acyl anion; heterocyclic carbene;
C(sp3)−H Arylation Promoted by a Heterogeneous Palladium‐N‐Heterocyclic Carbene Complex in Batch and Continuous Flow
Sign Up to like & getrecommendations! Published in 2022 at "Chemsuschem"
DOI: 10.1002/cssc.202102736
Abstract: Abstract A heterogeneous reusable palladium(II)‐bis(N‐heterocyclic carbene) catalyst was prepared and shown to catalyze the intramolecular C(sp3)−H activation/cyclization of N‐alkyl‐2‐bromoanilines furnishing indolines. This new catalytic system was based on a bis‐imidazolium ligand immobilized on a spaced… read more here.
Keywords: sp3; continuous flow; palladium; heterocyclic carbene ... See more keywords
β-Aminosulfonyl Fluorides via Water-Accelerated N-Heterocyclic Carbene Catalysis.
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DOI: 10.1002/cssc.202201000
Abstract: Herein, we report a water-accelerated, N -heterocyclic carbene (NHC)-catalyzed aza-Michael addition reaction to access β-aminosulfonyl fluorides, which are key hubs of the sulfur(VI) fluoride exchange (SuFEx) reaction. As a crucial reaction medium, water considerably enhances… read more here.
Keywords: accelerated heterocyclic; water; aminosulfonyl fluorides; water accelerated ... See more keywords
MOF-Supporting Binuclear N-Heterocyclic Carbene-Cobalt Catalyst for Efficient Conversion of CO2 to Formamides.
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DOI: 10.1002/cssc.202201386
Abstract: Environmental problem caused by carbon emission is of widespread concern. Involving CO 2 as C1 resource into chemical synthesis is one of the most attractive way for carbon recycling. Herein, we present the first example… read more here.
Keywords: binuclear heterocyclic; supporting binuclear; carbene cobalt; mof supporting ... See more keywords