[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Grotevendt et al., 2011 - Google Patents

Ethylene-promoted versus ethylene-free enyne metathesis

Grotevendt et al., 2011

Document ID
8954290472001247525
Author
Grotevendt A
Lummiss J
Mastronardi M
Fogg D
Publication year
Publication venue
Journal of the American Chemical Society

External Links

Snippet

The role of ethylene in promoting metathesis of acetylenic enynes is probed within the context of ring-closing enyne metathesis, using first-and second-generation Grubbs catalysts. Under inert atmosphere, rapid catalyst deactivation is observed by calibrated GC …
Continue reading at pubs.acs.org (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
    • C07C6/02—Metathesis reactions at an unsaturated carbon-to-carbon bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
    • C07C2/04—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
    • C07C2/06—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
    • C07C2/08—Catalytic processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic System
    • C07F5/02—Boron compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2265—Carbenes or carbynes, i.e.(image)

Similar Documents

Publication Publication Date Title
Grotevendt et al. Ethylene-promoted versus ethylene-free enyne metathesis
Kingsbury et al. A recyclable Ru-based metathesis catalyst
Nascimento et al. Origin of the breakthrough productivity of ruthenium–cyclic alkyl amino carbene catalysts in olefin metathesis
Thomas et al. Highly selective ruthenium metathesis catalysts for ethenolysis
Ireland et al. Decomposition of a phosphine-free metathesis catalyst by amines and other bronsted bases: Metallacyclobutane deprotonation as a major deactivation pathway
Smulik et al. Expanded scope in ethylene− alkyne cross-metathesis: coordinating heteroatom functionality at the propargylic position
Yu et al. Enol ethers as substrates for efficient Z-and enantioselective ring-opening/cross-metathesis reactions promoted by stereogenic-at-Mo complexes: Utility in chemical synthesis and mechanistic attributes
Liu et al. An iron (II) ylide complex as a masked open-shell iron alkylidene species in its alkylidene-transfer reactions with alkenes
Stewart et al. Highly efficient ruthenium catalysts for the formation of tetrasubstituted olefins via ring-closing metathesis
Khan et al. Z-and enantioselective ring-opening/cross-metathesis with enol ethers catalyzed by stereogenic-at-Ru carbenes: Reactivity, selectivity, and Curtin–Hammett kinetics
Bittner et al. Tuning the Catalytic Alkyne Metathesis Activity of Molybdenum and Tungsten 2, 4, 6-Trimethylbenzylidyne Complexes with Fluoroalkoxide Ligands OC (CF3) n Me3–n (n= 0–3)
Yamamoto Transition-metal-catalyzed cycloisomerizations of α, ω-dienes
Herbert et al. Decomposition pathways of Z-selective ruthenium metathesis catalysts
Fürstner et al. Study concerning the effects of chelation on the structure and catalytic activity of ruthenium carbene complexes
Pietraszuk et al. Cross-metathesis of vinylsilanes with styrene catalyzed by ruthenium− carbene complexes
Wang et al. Control of olefin geometry in macrocyclic ring-closing metathesis using a removable silyl group
Dang et al. A thorough DFT study of the mechanism of homodimerization of terminal olefins through metathesis with a chelated ruthenium catalyst: from initiation to Z selectivity to regeneration
Ablialimov et al. Synthesis, structure, and catalytic activity of new ruthenium (II) indenylidene complexes bearing unsymmetrical N-heterocyclic carbenes
Zhao et al. Endo-selective enyne ring-closing metathesis promoted by stereogenic-at-W mono-pyrrolide complexes
Lummiss et al. Donor-induced decomposition of the Grubbs catalysts: An intercepted intermediate
Hansen et al. Ring closing enyne metathesis: control over mode selectivity and stereoselectivity
Schrock et al. Formation of high-oxidation-state metal–carbon double bonds
Ilg et al. Vinylidene Compounds from the Reactions of Me3SiC⋮ CSiMe3 with TpMe2Ir Precursors. Protonation to Alkylidene and Iridabenzene Structures
López et al. Ruthenium-catalyzed [3+ 2] intramolecular cycloaddition of alk-5-ynylidenecyclopropanes promoted by the “First-generation” Grubbs carbene complex
Demchuk et al. Synthesis of substituted P-stereogenic vinylphosphine oxides by olefin cross-metathesis