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Pincer Complexes

Palladium pincer complexes featuring an unsymmetrical SCN indene-based ligand with an hemilabile pyridine sidearm

Palladium pincer complexes featuring an unsymmetrical SCN indene-based ligand with an hemilabile pyridine sidearm

... indenediide pincer complexes (Chart 1, compound A), 4b,c we have demonstrated the high structural modularity of these systems and improved thereby their catalytic activity in cycloisomerization ...the ...

8

POCN-type Pincer Complexes of NiII and NiIII : synthesis, reactivities, catalytic activities and physical properties

POCN-type Pincer Complexes of NiII and NiIII : synthesis, reactivities, catalytic activities and physical properties

... of pincer complexes with high valent metal precursors One of the biggest disadvantages of the above method for formation of pincer complexes formation is the need to preactivate the ligands ...

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Pentacoordinated, Square-Pyramidal Cationic PCP Ni(II) Pincer Complexes: ELF and QTAIM Topological Analyses of Nickel-Triflate Interactions Graphical abstract

Pentacoordinated, Square-Pyramidal Cationic PCP Ni(II) Pincer Complexes: ELF and QTAIM Topological Analyses of Nickel-Triflate Interactions Graphical abstract

... pentacoordinated pincer complexes of the type (PCP)Ni(o-semiquinonato) has been shown to adopt square pyramidal geometry, but there is some ambiguity about whether these paramagnetic compounds should be ...

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NHC Core Phosphonium Ylide-based Palladium(II) Pincer Complexes: The Second Ylide Extremity Makes the Difference

NHC Core Phosphonium Ylide-based Palladium(II) Pincer Complexes: The Second Ylide Extremity Makes the Difference

... isostructural pincer Pd(II) complexes [NHC(A a B b C c )PdL][OTf] (L = NCCH 3 , CO or ...of pincer complexes based on phosphonium ylides were easily obtained by acidic treatment of their ...

37

Synthesis, Structure and Electrochemical Behavior of New RPONOP (R = tBu, iPr) Pincer Complexes of the Fe2+, Co2+, Ni2+ and Zn2+ ions.

Synthesis, Structure and Electrochemical Behavior of New RPONOP (R = tBu, iPr) Pincer Complexes of the Fe2+, Co2+, Ni2+ and Zn2+ ions.

... (5)) and M( iPr PONOP)X 2 (MX 2 ¼ FeBr 2 (1 0 ), NiI 2 (4 0 ), ZnI 2 (5 0 )) complexes was then readily synthesized by the addi- tion of tBu PONOP or iPr PONOP to the anhydrous MX 2 halides ( Scheme 1 ). Because ...

15

C–O and C–N Functionalization of Cationic, NCN-Type Pincer Complexes of Trivalent Nickel: Mechanism, Selectivity, and Kinetic Isotope Effect

C–O and C–N Functionalization of Cationic, NCN-Type Pincer Complexes of Trivalent Nickel: Mechanism, Selectivity, and Kinetic Isotope Effect

... 2 , (2.012 vs. 2.039 Å). 12 The Ni-NCMe distance trans from the aryl moiety in 3 is also comparable to the corresponding distance found in the dicationic octahedral Ni(III) species [( t-Bu N 3 C)Ni(NCMe) 2 ] 2+ reported ...

31

Cooperative catalysis by 2-indenediide pincer complexes

Cooperative catalysis by 2-indenediide pincer complexes

... Les complexes pince indendiide développés par notre équipe et focus de cette thèse font partie de ces ...ces complexes indèndiide en catalyse de cyclisation des d’acides carboxyliques ‐acétyléniques, ...

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Palladium( ii ) pincer complexes of a C , C , C -NHC, diphosphonium bis(ylide) ligand

Palladium( ii ) pincer complexes of a C , C , C -NHC, diphosphonium bis(ylide) ligand

... free state (NHC: N + =C − , 2ē donor (L type); ylide: P + −C − , 1ē donor (X type)), should benefit the design of a new family of electron-rich LX 2 pincer-type ligand, which would differentiate from those already ...

28

Catalytic hydrogenolysis of silyl triflates to hydrosilanes using iridium pincer complexes

Catalytic hydrogenolysis of silyl triflates to hydrosilanes using iridium pincer complexes

... Gabriel Durin, Jean-Claude Berthet, Emmanuel Nicolas, Pierre Thuéry, Thibault Cantat.. To cite this version:.[r] ...

2

NHC Core Pincer Ligands Exhibiting Two Anionic Coordinating Extremities

NHC Core Pincer Ligands Exhibiting Two Anionic Coordinating Extremities

... tantalum pincer complexes were also reported ...Ta complexes were observed, the remaining amine arm being reluctant to coordinate the metal ...desired pincer complexes, as illustrated ...

20

Sulfur (IV)/(VI) pincer-type ligands for the stabilization of metallylenes : synthesis, characterization and applications

Sulfur (IV)/(VI) pincer-type ligands for the stabilization of metallylenes : synthesis, characterization and applications

... The pincer-type ligand and the possibilities to modify the structure In all the complexes the MLn metal or metalloid fragment is covalently bonded to the ligand through the monoanionic site, which can be a ...

223

Supramolecular Anchoring of NCN-Pincer Palladium Complexes into a β-Barrel Protein Host: Molecular-Docking and Reactivity Insights

Supramolecular Anchoring of NCN-Pincer Palladium Complexes into a β-Barrel Protein Host: Molecular-Docking and Reactivity Insights

... solution, complexes 7bb’ and 7bc’ carrying stereogenic centers on the N-donor atoms exist as mixtures of diastereoisomers with diastereomeric ratios of 61:39 and 56:44, ...the pincer complexes into ...

32

Elaboration d'entrepôts de données complexes

Elaboration d'entrepôts de données complexes

... Dans cet article, nous abordons le problème de la modélisation des entrepôts de données couramment utilisés dans les systèmes d'aide à la décision. Nous proposons un modèle permettant de décrire l'entrepôt comme un ...

18

Synthèse et Caractérisation des complexes de coordination

Synthèse et Caractérisation des complexes de coordination

... La théorie de la fonctionnelle de la densité (DFT) s'est beaucoup développée ces dernières années. Cette méthode offre, pour la plupart des structures moléculaires complexes, une description cohérente et fiable ...

51

Rhéologie des mousses de fluides complexes

Rhéologie des mousses de fluides complexes

... Dans le paragraphe sur la mesure rhéologique de la mousse aqueuse, on a vu que la variation de fraction liquide sur la hauteur de la cuve ne changeait pas la valeur du [r] ...

164

Complexes  chapitre-2.pdf

Complexes  chapitre-2.pdf

... nombres complexes simplement à l’aides nom- bres réels, de la manière suivante : On note C l’ensemble R×R muni des deux lois suivantes : (a, b) + (c, d) = (a + c, b + d), (a, b) × (c, d) = (ac − bd, ad + ...

12

Prédiction génétique des caractères complexes

Prédiction génétique des caractères complexes

... Pour évaluer l’intérêt de l’agrégation, nous avons retenu un contexte difficile de prédiction. D’une part, la prédiction se fait sur plusieurs lignées d’animaux ayant cha- cune sa propre histoire de gestion génétique, ...

147

Transports couplés en géométries complexes

Transports couplés en géométries complexes

... Ces travaux s’int´eressent au transfert stationnaire de chaleur par convection dif- fusion aux sein de g´eom´etries complexes. Nous ´etendons le principe, validons l’utili- sation et illustrons l’efficacit´e d’une ...

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De la préparation de complexes de cuivre(I) luminescents à l'auto-assemblage de systèmes supramoléculaires complexes

De la préparation de complexes de cuivre(I) luminescents à l'auto-assemblage de systèmes supramoléculaires complexes

... Unité de recherche : Laboratoire de Chimie de Coordination, CNRS Directeur(s) de Thèse : Jean-François Nierengarten, Béatrice Delavaux-Nicot. Rapporteurs :[r] ...

1

Dynamiques d'aspirations d'interfaces complexes

Dynamiques d'aspirations d'interfaces complexes

... fluides complexes Nous avons pr´esent´e en introduction de la premi`ere partie un rappel sur la mod´elisation classique des solides dits de Hooke [ 32 ] et des fluides dits Newtoniens [ 81 ...

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