Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Carbon–hydrogen_bond_activation> ?p ?o }
- Carbon–hydrogen_bond_activation abstract "Carbon–hydrogen bond functionalization (C–H functionalization) is a type of reaction in which a carbon–hydrogen bond is cleaved and replaced with a carbon-X bond (where X is usually carbon, oxygen, or nitrogen). The term usually implies that a transition metal is involved in the C-H cleavage process. Reactions classified by the term typically involve the hydrocarbon first to react with a metal catalyst to create an organometallic complex in which the hydrocarbon is coordinated to the inner-sphere of a metal, either via an intermediate \"alkane or arene complex\" or as a transition state leading to a \"M−C\" intermediate. The intermediate of this first step (known as C-H activation and sometimes used interchangeably with C-H functionalization) can then undergo subsequent reactions to produce the functionalized product. Important to this definition is the requirement that during the C–H cleavage event, the hydrocarbyl species remains associated in the inner-sphere and under the influence of \"M\".While many mechanisms for a variety of C-H activations are still unknown, many of them fall under three general categories: (i) oxidative addition, in which a metal center inserts into a carbon-hydrogen bond, which cleaves the bond and oxidizes the metal, producing an intermediate that can undergo reductive elimination to yield the organometallic reactive intermediate (ii) electrophilic activation, which reacts similarly to oxidative addition, but differs in that it produces the organometallic reactive intermediate through an \"oxidative\" transition state instead of an intermediate, and (iii) σ-bond metathesis, which proceeds through a \"four-centered\" transition state in which bonds break and form in concerted fashion: the target hydrocarbon bond breaks as the carbon bonds to the metal and the hydrogen bonds to one of the metal’s ligands, which causes bond breakage between the ligand and the metal.C–H bonds, which are traditionally considered unreactive, can be cleaved by coordination. Much research has been devoted to the design and synthesis of new reagents and catalysts that can effect C–H activation. C-H activation chemistry has the potential to transform the chemical world through the development of novel synthetic methods. C-H activation could enable the conversion of cheap and abundant alkanes into valuable functionalized organic compounds and the efficient structural editing of already complex molecules (i.e. natural product synthesis). Selective activation of a specific C-H bond poses a great challenge. In addition to a high bond dissociation energy, C-H bonds have very low polarity because to these two elements have similar electronegativities.".
- Carbon–hydrogen_bond_activation thumbnail Chfunctionalizationscheme.jpg?width=300.
- Carbon–hydrogen_bond_activation wikiPageExternalLink 2004_Ramtohul.pdf.
- Carbon–hydrogen_bond_activation wikiPageExternalLink C-H%20Activation=Sam.pdf.
- Carbon–hydrogen_bond_activation wikiPageExternalLink 446391a.html.
- Carbon–hydrogen_bond_activation wikiPageExternalLink index.html.
- Carbon–hydrogen_bond_activation wikiPageID "6180254".
- Carbon–hydrogen_bond_activation wikiPageLength "30207".
- Carbon–hydrogen_bond_activation wikiPageOutDegree "115".
- Carbon–hydrogen_bond_activation wikiPageRevisionID "702848232".
- Carbon–hydrogen_bond_activation wikiPageWikiLink 1,2-Bis(dimethylphosphino)ethane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink 1,3-Butadiene.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Acetoxy_group.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Alexander_E._Shilov.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Aliphatic_compound.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Alkane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Allyl.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Aromatic_hydrocarbon.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Benzene.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Borylation.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Carbon–hydrogen_bond.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Category:Organic_chemistry.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Category:Organometallic_chemistry.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Chelation.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Chirality_(chemistry).
- Carbon–hydrogen_bond_activation wikiPageWikiLink Chloromethane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Cobalt.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Cold_War.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Coordination_complex.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Coupling_reaction.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Cyclohexane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Dimethylbenzylamine.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Directed_ortho_metalation.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Electron_counting.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Ethane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Ethanol.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Functional_group.
- Carbon–hydrogen_bond_activation wikiPageWikiLink George_M._Whitesides.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Gold.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Halocarbon.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Halogen.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Hapticity.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Heavy_water.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Hydrocarbon.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Inductive_effect.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Intramolecular_reaction.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Iodine.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Isotopic_labeling.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Joseph_Chatt.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Ligand.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Malcolm_Green_(chemist).
- Carbon–hydrogen_bond_activation wikiPageWikiLink Mercury(II)_acetate.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Mercury_(element).
- Carbon–hydrogen_bond_activation wikiPageWikiLink Meta-selective_C-H_fuctionalization.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Metal_nitrosyl_complex.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Metallacycle.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Methane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Methanol.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Methyl_bisulfate.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Murai_olefin_coupling.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Naphthalene.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Natural_gas.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Natural_product.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Neopentane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Organocatalysis.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Organomercury.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Organometallic_chemistry.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Otto_Dimroth.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Oxidative_coupling_of_methane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Palladium.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Pentamethylcyclopentadiene.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Pentane.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Photochemistry.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Platinum.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Potassium_hexachloroplatinate.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Potassium_tetrachloroplatinate.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Pyridine.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Redox.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Rhodium.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Room_temperature.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Roy_A._Periana.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Ruthenium.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Shilov_system.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Sigma_bond.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Stoichiometry.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Styrene.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Transition_state.
- Carbon–hydrogen_bond_activation wikiPageWikiLink Tungsten.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:BergMannCHActivation2008.svg.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:CHactRGB+WAGimproved.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:CHmechs.jpg.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Chactivationbyruthenium.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Chfunctionalizationscheme.jpg.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Cobalt_C-H_activation.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Fujiwarachfunctionalization.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Guided_Figure_1.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Guided_vs_Innate_activation_Figure_1_Redone.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Hartwig_figure_1_borylation.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Inductive_Effects_Figure_1_Redone.png.
- Carbon–hydrogen_bond_activation wikiPageWikiLink File:Mescalineprep.jpg.