Organic solvent stability and long‐term storage of myoglobin‐based carbene transfer biocatalysts
Sign Up to like & getrecommendations! Published in 2020 at "Biotechnology and Applied Biochemistry"
DOI: 10.1002/bab.1972
Abstract: Recent years have witnessed a rapid increase in the application of enzymes for chemical synthesis and manufacturing, including the industrial‐scale synthesis of pharmaceuticals using multienzyme processes. From an operational standpoint, these bioprocesses often require robust… read more here.
Keywords: carbene transfer; carbene; myoglobin based; stability ... 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
Insights into the Suzuki‐Miyaura Reaction Catalyzed by Novel Pd−Carbene Complexes. Are Palladium−Tetra‐ carbene Entities the Key Active Species?
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DOI: 10.1002/cctc.202001253
Abstract: The assumption that the real active species involved in the Suzuki‐Miyaura reaction are homogeneous, heterogeneous or both is often proposed. However a lack in the characterization of true catalytic entities and their monitoring makes assumptions… read more here.
Keywords: miyaura reaction; insights suzuki; carbene; reaction ... See more keywords
A Computational Study of Carbene Ligand Stabilization of Biomimetic Models of the Rotated Hred State of [FeFe]-Hydrogenase
Sign Up to like & getrecommendations! Published in 2019 at "European Journal of Inorganic Chemistry"
DOI: 10.1002/ejic.201900237
Abstract: Stabilization of fully rotated conformation at one of the iron center has been achieved for the reduced Fe(I)Fe(I) state in chelated cyclic alkyl amino carbene (CAAC) substituted biomimetic hydrogenase model complex. This study indicates that… read more here.
Keywords: iron center; stabilization; study; state ... See more keywords
An N‐heterocyclic Carbene TCNE Zwitterion: Experimental and Theoretical Study on its Formation and Reactivity
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DOI: 10.1002/ejoc.201601648
Abstract: A direct addition of tetracyanoethylene (TCNE) at the carbene center of 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene (IPr) has been successfully demonstrated. The IPr-TCNE adduct, zwitterion 1, clearly differs from the typical products of [2+1] cyclization obtained from the reaction… read more here.
Keywords: study; tcne; reactivity; carbene ... See more keywords
Coordination’s preference and electronic structure of N-heterocyclic carbene–monometallic complexes: DFT evaluation of σ-bonding and π-backbonding interactions
Sign Up to like & getrecommendations! Published in 2020 at "Theoretical Chemistry Accounts"
DOI: 10.1007/s00214-020-02628-6
Abstract: The geometrical parameters, the electronic structures and the nature of the chemical bonding for complexes of the type (NqMes)M[Cl(CO)2] (NqMes = naphtoquinone-annulated NHC ligand and M = V, Mn, Re, Co, Rh, Cu) which possess even electron counts have… read more here.
Keywords: coordination; electronic structure; bonding backbonding; preference electronic ... See more keywords
Initiation of heterogeneous Schrock-type Mo and W oxide metathesis catalysts: A quantum thermochemical study
Sign Up to like & getrecommendations! Published in 2018 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2018.08.031
Abstract: Abstract Three mechanistic pathways were explored theoretically to study the electronic features and thermodynamics behind the initiation of silica-grafted molybdenum and tungsten oxide metathesis pre-catalysts in light olefins (ethylene and propylene) to form Schrock-type carbene… read more here.
Keywords: carbene; schrock type; oxide metathesis; initiation ... See more keywords
Tridentate complexes of group 4 bearing bis-aryloxide N-heterocyclic carbene ligand: Structure, spin density and charge states
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2021.138888
Abstract: Abstract Metal carbene complexes represent an ubiquitous class of compounds in organomettalic chemistry able to trigger a wealth of catalytic reactions of both fundamental and industrial processes. By resorting to first principles approaches, we focus… read more here.
Keywords: carbene ligand; spin; structure; charge ... See more keywords
Phosphorescent monometallic and bimetallic two-coordinate Au(I) complexes with N-heterocyclic carbene and aryl ligands
Sign Up to like & getrecommendations! Published in 2020 at "Inorganica Chimica Acta"
DOI: 10.1016/j.ica.2020.120188
Abstract: Abstract A series of mononuclear and binuclear two coordinate Au(I) complexes consisting of a MAC carbene ligand (1,3-bis(2,6-diisopropylphenyl)-5,5-dimethyl-4-keto-tetrahydropyridylidene) and an aryl ligand, including phenyl, biphenyl, naphthyl and anthryl, are reported. The oxidation potential is controlled… read more here.
Keywords: ligand; coordinate complexes; two coordinate; carbene ... See more keywords
Dinuclear silver(I)-N-heterocyclic carbene complexes: Synthesis, characterization and larvicidal activity of bis-imidazolium dinuclear silver(I)-N-heterocyclic carbene complexes.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of inorganic biochemistry"
DOI: 10.1016/j.jinorgbio.2017.07.030
Abstract: New synthesized bis-imidazolium salts that are linked by xylyl derivatives moiety, 1-4 was reacted with Ag2O to facilitate the formation of dinuclear Ag(I)-N-heterocyclic carbene (NHC) complexes, 5-8, respectively. All the synthesized ligand salts and complexes… read more here.
Keywords: carbene complexes; dinuclear silver; silver heterocyclic; imidazolium ... See more keywords
A new approach for the synthesis of tetrabenzimidazolium salt as a precursor for the tetra-N-heterocyclic carbene dinuclear silver(I) complex
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2016.12.028
Abstract: Abstract A new approach in synthesizing an open chain tetrabenzimidazolium salts as a precursor for the synthesis of dinuclear Ag(I) complex containing tetra-NHC (where NHC = N-heterocyclic carbene) is described. This tetrabenzimidazolium acylic carbene was prepared… read more here.
Keywords: tetrabenzimidazolium; new approach; carbene; synthesis ... See more keywords