Synthesis, Characterization, and Catalytic Studies of Unsymmetrical Chiral NCC Pincer Pd(II) and Ni(II) Complexes Bearing (Imidazolinyl)aryl NHC Ligands
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DOI: 10.1021/acs.organomet.8b00300
Abstract: A series of palladium(II) and nickel(II) complexes based on unsymmetrical chiral (imidazolinyl)aryl NHC ligands are reported. The new ligand presursors 3a–g were prepared from commercially available 3-bromobenzoic acid, in which the carboxyl and bromo functionalities… read more here.
Keywords: pincer; aryl nhc; imidazolinyl aryl; unsymmetrical chiral ... See more keywords
Synthesis of Chiral Bifunctional NHC Ligands and Survey of Their Utilities in Asymmetric Gold Catalysis.
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DOI: 10.1021/acs.organomet.9b00400
Abstract: The synthesis and characterization of the chiral bifunctional NHC ligands based on the imidazo[1,5-a]pyridine (ImPy) scaffold are described. These ligands possess a fluxional biaryl axis and a chiral center. The configurational stability of the biaryl… read more here.
Keywords: bifunctional nhc; chiral bifunctional; gold catalysis; nhc ligands ... See more keywords
Metal complexes with oxygen-functionalized NHC ligands: synthesis and applications.
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Society reviews"
DOI: 10.1039/c6cs00499g
Abstract: Ligand design has met with considerable success with both categories of hybrid ligands, which are characterized by chemically different donor groups, and of N-heterocyclic carbenes (NHCs). Their spectacular development and diversity are attracting worldwide interest… read more here.
Keywords: chemistry; metal; donor; metal complexes ... See more keywords
Structural diversities in Ag(I) complexes of xylyl platform based isomeric bis-NHC ligands: effects of pyridine wingtip substituents
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DOI: 10.1039/c6nj03609k
Abstract: Pyridine is employed as a wingtip substituent for the preparation of xylyl platform based bis-NHC ligands to investigate its effect on the formation of Ag(I)–NHC complexes. Hence, three new ligands L1–L3 are synthesized as their… read more here.
Keywords: xylyl platform; bis nhc; platform based; bis ... See more keywords
Stable ruthenium olefin metathesis catalysts bearing symmetrical NHC ligands with primary and secondary N-alkyl groups.
Sign Up to like & getrecommendations! Published in 2018 at "Dalton transactions"
DOI: 10.1039/c8dt00619a
Abstract: Four novel stable Hoveyda-Grubbs-type catalysts containing N,N'-dineopentyl- and N,N'-dicyclohexyl-substituted N-heterocyclic carbene (NHC) ligands with syn and anti phenyl groups on the ring backbone were synthesized and fully characterized. The catalytic potential of these complexes was… read more here.
Keywords: ruthenium olefin; catalysts bearing; stable ruthenium; metathesis ... See more keywords
Electronic and steric impact of bis-NHC ligands on reactions of Pt3S2 cores in trinuclear complexes bearing bis-NHC ligands with various lengths of alkylene bridges.
Sign Up to like & getrecommendations! Published in 2021 at "Dalton transactions"
DOI: 10.1039/d1dt02747f
Abstract: Alkylene-bridged bis-N-heterocyclic carbene ligands working as strong σ-donors enhance the reactivity of the Pt3S2 core in a triplatinum complex. Although an Ag(I) ion possibly reacts with the Pt-Pt bond, one of the sulfide ligands coordinates… read more here.
Keywords: impact bis; bis nhc; electronic steric; steric impact ... See more keywords
Iridium(I) complexes with bidentate NHC ligands as catalysts for dehydrogenative directed C-H silylation.
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DOI: 10.1039/d2cc06865f
Abstract: A series of (NHC)(cod)Ir(I) complexes bearing NHC-carboxylate ligands were efficiently synthesized and fully characterized. Their solid-state structures confirmed the bidentate coordination mode of these LX-type NHC ligands. These unprecedented iridium(I) complexes demonstrated efficient catalytic activities… read more here.
Keywords: directed silylation; iridium complexes; nhc ligands; dehydrogenative directed ... See more keywords
Rhodium catalysts with superbulky NHC ligands for the selective α-hydrothiolation of alkynes.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt00243d
Abstract: Eight rhodium complexes-including four new compounds-with the generic formula [RhCl(cod)(NHC)] (cod is 1,3-cyclooctadiene) differing by the size of their N-heterocyclic carbene (NHC) ligand were prepared, characterized, and found to be catalytically active in the hydrothiolation… read more here.
Keywords: ligands selective; rhodium catalysts; nhc ligands; hydrothiolation ... See more keywords