A5090870196- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Organometallic Complex Synthesis and Catalysis
- Metal complexes synthesis and properties
- Crystallography and molecular interactions
- Metal-Catalyzed Oxygenation Mechanisms
- Synthesis and characterization of novel inorganic/organometallic compounds
- Magnetism in coordination complexes
- Fluorine in Organic Chemistry
- Asymmetric Hydrogenation and Catalysis
- Catalysis and Oxidation Reactions
- Synthetic Organic Chemistry Methods
- Inorganic and Organometallic Chemistry
- Metalloenzymes and iron-sulfur proteins
- Cyclopropane Reaction Mechanisms
- CO2 Reduction Techniques and Catalysts
- Inorganic Fluorides and Related Compounds
- Radioactive element chemistry and processing
- Supramolecular Chemistry and Complexes
- Carbon dioxide utilization in catalysis
- Catalytic C–H Functionalization Methods
- Organophosphorus compounds synthesis
- Advanced Polymer Synthesis and Characterization
- Synthesis and Properties of Aromatic Compounds
- Catalytic Alkyne Reactions
A. N. Nesmeyanov Institute of Organoelement Compounds
2008-2023
Russian Academy of Sciences
2007-2020
The University of Western Australia
2003
Abstract A family of bimetallic complexes [Cp(CO) 2 Fe–C≡C–Ar–C≡C–Fe(CO) Cp] {Cp = C 5 H ; 6a – g : Ar 4 S ( a ), 3‐(C 9 )‐C HS b 16 33 c 6 d 2,5‐bis(OC e 8 17 f (C ) )} was prepared by the three‐step Pd‐catalysed extended one‐pot (EOP) synthetic protocol from Bu 3 Sn–C≡CH, X–Ar–X (X I, Br) and Cp(CO) FeI. Complexes , were then exposed to ultraviolet irradiation in presence an equivalent amount 1,2‐bis(diphenylphosphanyl)ethane (dppe) form corresponding [Cp(dppe)Fe–C≡C–Ar–C≡C–Fe(dppe)Cp] 7a...
The oxidative dehydrodimerization of the phenylvinylidene manganese complexes (η5-C5R5)(CO)(L)MnCCHPh (5: R=Me, L=CO; 6: R=H, L=PPh3) into corresponding bis-vinylidene compounds (η5-C5R5)(CO)(L)MnCCPhCPhCMn(CO)(L)(η5-C5R5) (7: 8: was studied by cyclic voltammetry and chemical experiments. It found that 5 6 proceeds via direct C(β)C(β) coupling radical cations +· to give dicationic bis-carbyne [(η5-C5R5)(CO)(L)Mn≡CCPhHCPhHC≡Mn(CO)(L)(η5-C5R5)]2+ (10 ++: 11 L=PPh3), which can be...
A new approach to the activation of transition metal bis-vinylidene (μ-1,3-butadiene-1,4-diylidene) complexes toward nucleophilic addition is proposed, based on their two-electron oxidation corresponding μ-2-butene-1,4-diylidyne compounds a bis-carbyne type. The latter are more electrophilic and able react with nucleophiles that inert former. In line this synthetic methodology reaction manganese [(η5-C5R5)(CO)2MnCCPh]2 (1, R = H; 2, Me) oxygen (H2O OH-) form binuclear cyclic bis-carbene...
Abstract Stereoselective addition of tertiary phosphanes to manganese and rhenium phenylvinylidenes (η 5 ‐C H )(CO) 2 M=C=C(H)Ph ( 1 M = Mn; Re) gave the corresponding zwitterionic Z ‐phosphoniostyryl adducts − −C( + PR 3 )=C(H)Ph Mn, PPh Me; 4 PPhMe ; PMe 6 Re, 7 ). Protonation – with HBF · OEt resulted in formation η ‐phosponioalkene complexes M(η ‐ E ‐HC( )=C(H)Ph) 8 9 10 11 12 ) rather than phosphoniocarbene M=C( )CH Ph. It was shown by DFT calculations (B3LYP/6‐31G*) that protonation...
The reactions between terminal ethynylpyridines, (trimethylsilyl)ethynylpyridines and cyclopentadienyliron dicarbonyl iodide were studied under Pd/Cu-catalyzed conditions to develop a synthetic approach the σ-alkynyl iron complexes Cp(CO)2Fe-C[triple bond, length as m-dash]C-R (R = ortho-, meta-, para-pyridyl). Depending on catalyst reagents used, yields of desired σ-pyridylethynyl varied from 40 95%. In some cases with ortho-ethynylpyridine gave byproduct unexpected binuclear FePd...
The redox properties of binuclear complex Cp(CO) 2 Fe[µ-C=CH(2-C 5 H 4 N)]PdI were studied by electrochemical methods at platinum, glassed carbon and dropping mercury electrodes in acetonitrile solution.It was found that a one-electron oxidation the resulted cation-radical, which further undergoes decomposition, whereas reduction gave an anion-radical, transforms into 2-pirydylethynyl iron Fe-C≡C-(2-C N).
The reaction of Cp(CO)