[go: up one dir, main page]

Hauser et al., 2021 - Google Patents

Cationic tungsten oxo alkylidene N-heterocyclic carbene complexes via hydrolysis of cationic alkylidyne progenitors

Hauser et al., 2021

View HTML
Document ID
5401663477762893186
Author
Hauser P
Musso J
Frey W
Buchmeiser M
Publication year
Publication venue
Organometallics

External Links

Snippet

A route to cationic tungsten alkylidyne N-heterocyclic carbene (NHC) complexes of the general formula [W (CR) X2 (NHC)(t BuCN) y+ B (ArF) 4–](R= t Bu, C6H4-4-OMe; X= Br, Cl, OTf; NHC= 1, 3-dimesityl-1, 3-dihydro-2 H-imidazol-2-ylidene, IMes; 1, 3-bis (2, 6 …
Continue reading at pubs.acs.org (HTML) (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F15/00Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic System
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2265Carbenes or carbynes, i.e.(image)
    • B01J31/2269Heterocyclic carbenes
    • B01J31/2273Heterocyclic carbenes with only nitrogen as heteroatomic ring members, e.g. 1,3-diarylimidazoline-2-ylidenes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2531/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic System
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2204Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208Oxygen, e.g. acetylacetonates
    • B01J31/2226Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2282Unsaturated compounds used as ligands
    • B01J31/2295Cyclic compounds, e.g. cyclopentadienyls

Similar Documents

Publication Publication Date Title
Zhu et al. Chiral Mo− Binol Complexes: Activity, Synthesis, and Structure. Efficient Enantioselective Six-Membered Ring Synthesis through Catalytic Metathesis
Tomas-Mendivil et al. Cycloisomerization versus hydration reactions in aqueous media: A Au (III)-NHC catalyst that makes the difference
Li et al. Remarkably stable iron porphyrins bearing nonheteroatom-stabilized carbene or (alkoxycarbonyl) carbenes: Isolation, X-ray crystal structures, and carbon atom transfer reactions with hydrocarbons
Tsang et al. Alkylidene and metalacyclic complexes of tungsten that contain a chiral biphenoxide ligand. Synthesis, asymmetric ring-closing metathesis, and mechanistic investigations
Schowner et al. Cationic tungsten-oxo-alkylidene-N-heterocyclic carbene complexes: highly active olefin metathesis catalysts
Hauser et al. Cationic tungsten oxo alkylidene N-heterocyclic carbene complexes via hydrolysis of cationic alkylidyne progenitors
Hayes et al. Diamido-ether actinide complexes as catalysts for the intramolecular hydroamination of aminoalkenes
Ehrhorn et al. Studies on Molybdena-and Tungstenacyclobutadiene Complexes Supported by Fluoroalkoxy Ligands as Intermediates of Alkyne Metathesis
Glöckner et al. From a cycloheptatrienylzirconium allyl complex to a cycloheptatrienylzirconium imidazolin-2-iminato “pogo stick” complex with imido-type reactivity
Bustelo et al. Reactivity of the Electron-Rich Allenylidene− Ruthenium Complexes [Cp* Ru {CCC (R) Ph}(dippe)][BPh4](R= H, Ph). X-Ray Crystal Structure of a Novel Dicationic Ruthenium Carbyne (Cp*= C5Me5; dippe= 1, 2-bis (diisopropylphosphine) ethane)
Tsang et al. Evaluation of enantiomerically pure binaphthol-based molybdenum catalysts for asymmetric olefin metathesis reactions that contain 3, 3 ‘-diphenyl-or 3, 3 ‘-dimesityl-substituted binaphtholate ligands. Generation and decomposition of unsubstituted molybdacyclobutane complexes
Elser et al. Molybdenum and tungsten alkylidyne complexes containing mono-, bi-, and tridentate N-heterocyclic carbenes
Elser et al. Molybdenum imido alkylidene complexes containing N-and C-chelating N-heterocyclic carbenes
Sinha et al. Reactions of M (N-2, 6-i-Pr2C6H3)(CHR)(CH2R ‘) 2 (M= Mo, W) Complexes with Alcohols To Give Olefin Metathesis Catalysts of the Type M (N-2, 6-i-Pr2C6H3)(CHR)(CH2R ‘)(OR ‘‘)
Vieille-Petit et al. Ruthenium olefin metathesis catalysts with N-heterocyclic carbene ligands bearing n-naphthyl side chains
Asensio et al. A Four-Electron π-Alkyne Complex as Precursor for Allenylidene Derivatives: Preparation, Structure, and Reactivity of [Os (η5-C5H5)(CC CPh2) L (PiPr3)] PF6 (L= CO, PHPh2)
Smit et al. Z-selective monothiolate ruthenium indenylidene olefin metathesis catalysts
Tsang et al. Investigations of reactions between chiral molybdenum imido alkylidene complexes and ethylene: Observation of unsolvated base-free methylene complexes, metalacyclobutane and metalacyclopentane complexes, and molybdenum (IV) olefin complexes
Elser et al. Molybdenum Imido Alkylidene N-Heterocyclic Carbene Complexes Containing Pyrrolide Ligands: Access to Catalysts with Sterically Demanding Alkoxides
Jeong et al. Synthesis of molybdenum and tungsten alkylidene complexes that contain a tert-butylimido ligand
Benhamou et al. Chelation-assisted reactions of phosphine-and olefin-tethered imidazolium derivatives and their affiliated N-heterocyclic carbenes with Roper’s complex Ru (CO) 2 (PPh3) 3
Cui et al. Alkyne Metathesis with d2 Re (V) Alkylidyne Complexes Supported by Phosphino-Phenolates: Ligand Effect on Catalytic Activity and Applications in Ring-Closing Alkyne Metathesis
Benedikter et al. Charge Distribution in Cationic Molybdenum Imido Alkylidene N-Heterocyclic Carbene Complexes: A Combined X-ray, XAS, XES, DFT, Mössbauer, and Catalysis Approach
Zhai et al. Syntheses of “Phosphine-Free” Molybdenum Oxo Alkylidene Complexes through Addition of Water to Alkylidyne Complexes
Farrell Vanadium-catalyzed cross metathesis: Limitations and implications for future catalyst design