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- Trimethylsilyl abstract "For tetramethylsilane, which also abbreviated as TMS, see tetramethylsilane.A trimethylsilyl group (abbreviated TMS) is a functional group in organic chemistry. This group consists of three methyl groups bonded to a silicon atom [−Si(CH3)3], which is in turn bonded to the rest of a molecule. This structural group is characterized by chemical inertness and a large molecular volume, which makes it useful in a number of applications.A trimethylsilyl group bonded to a methyl group forms tetramethylsilane, which is abbreviated as TMS as well.Compounds with trimethylsilyl groups are not normally found in nature. Chemists sometimes use a trimethylsilylating reagent to derivatize rather non-volatile compounds such as certain alcohols, phenols, or carboxylic acids by substituting a trimethylsilyl group for a hydrogen in the hydroxyl groups on the compounds. This way trimethylsiloxy groups [−O-Si(CH3)3] are formed on the molecule. A couple of examples of trimethylsilylating agents include trimethylsilyl chloride and bis(trimethylsilyl)acetamide. Trimethylsilyl groups on a molecule have a tendency to make it more volatile, often making the compounds more amenable to analysis by gas chromatography or mass spectrometry. An example of such trimethylsilylation is mentioned in the Brassicasterol article. Such derivatizations are often done on a small scale in special vials.When attached to certain functional groups in a reactant molecule, trimethylsilyl groups may also be used as temporary protecting groups during chemical synthesis or some other chemical reactions.In chromatography, derivitization of accessible silanol groups in a bonded stationary phase with trimethylsilyl groups is referred to as endcapping.In an NMR spectrum, signals from atoms in trimethylsilyl groups in compounds will commonly have chemical shifts close to the tetramethylsilane reference peak at 0 ppm. Also compounds, such as high temperature silicone "stopcock" grease, which have polysiloxanes (often called silicones) in them will commonly show peaks from their methyl groups (attached to the silicon atoms) having NMR chemical shifts close to the tetramethylsilane standard peak, such as at 0.07 ppm in CDCl3.Otherwise very reactive molecules can be isolated when enveloped by bulky trimethylsilyl groups. This effect can be observed in tetrahedranes.".
- Trimethylsilyl thumbnail Trimethylsilyl_group.PNG?width=300.
- Trimethylsilyl wikiPageExternalLink identification-of-silylation-artifacts-in-derivatization-reactions.
- Trimethylsilyl wikiPageID "1884689".
- Trimethylsilyl wikiPageLength "6074".
- Trimethylsilyl wikiPageOutDegree "55".
- Trimethylsilyl wikiPageRevisionID "664077252".
- Trimethylsilyl wikiPageWikiLink Alcohol.
- Trimethylsilyl wikiPageWikiLink Angstrom.
- Trimethylsilyl wikiPageWikiLink Asymmetric_induction.
- Trimethylsilyl wikiPageWikiLink Bis(trimethylsilyl)acetamide.
- Trimethylsilyl wikiPageWikiLink Brassicasterol.
- Trimethylsilyl wikiPageWikiLink Butyl.
- Trimethylsilyl wikiPageWikiLink Carbon-halogen_bond.
- Trimethylsilyl wikiPageWikiLink Carbon–hydrogen_bond.
- Trimethylsilyl wikiPageWikiLink Carboxylic_acid.
- Trimethylsilyl wikiPageWikiLink Category:Silicon_chemistry.
- Trimethylsilyl wikiPageWikiLink Chemical_reaction.
- Trimethylsilyl wikiPageWikiLink Chemical_synthesis.
- Trimethylsilyl wikiPageWikiLink Chromatography.
- Trimethylsilyl wikiPageWikiLink Diastereomer.
- Trimethylsilyl wikiPageWikiLink Diastereoselective.
- Trimethylsilyl wikiPageWikiLink Endcapping.
- Trimethylsilyl wikiPageWikiLink Functional_group.
- Trimethylsilyl wikiPageWikiLink Gas_chromatography.
- Trimethylsilyl wikiPageWikiLink Grease_(lubricant).
- Trimethylsilyl wikiPageWikiLink Haloalkane.
- Trimethylsilyl wikiPageWikiLink Hans_Bock_(chemist).
- Trimethylsilyl wikiPageWikiLink Hydroxyl.
- Trimethylsilyl wikiPageWikiLink Hydroxyl_group.
- Trimethylsilyl wikiPageWikiLink Inert.
- Trimethylsilyl wikiPageWikiLink Mass_spectrometry.
- Trimethylsilyl wikiPageWikiLink Methyl.
- Trimethylsilyl wikiPageWikiLink Methyl_group.
- Trimethylsilyl wikiPageWikiLink Molecular_volume.
- Trimethylsilyl wikiPageWikiLink Mukaiyama_aldol_addition.
- Trimethylsilyl wikiPageWikiLink Mukaiyama_aldol_reaction.
- Trimethylsilyl wikiPageWikiLink NMR_spectroscopy.
- Trimethylsilyl wikiPageWikiLink Nuclear_magnetic_resonance_spectroscopy.
- Trimethylsilyl wikiPageWikiLink One-pot_reaction.
- Trimethylsilyl wikiPageWikiLink One-pot_synthesis.
- Trimethylsilyl wikiPageWikiLink Organic_chemistry.
- Trimethylsilyl wikiPageWikiLink Organotin.
- Trimethylsilyl wikiPageWikiLink Organotin_chemistry.
- Trimethylsilyl wikiPageWikiLink Phenols.
- Trimethylsilyl wikiPageWikiLink Polysiloxane.
- Trimethylsilyl wikiPageWikiLink Protecting_group.
- Trimethylsilyl wikiPageWikiLink Reactant.
- Trimethylsilyl wikiPageWikiLink Reagent.
- Trimethylsilyl wikiPageWikiLink Silanol.
- Trimethylsilyl wikiPageWikiLink Silicon.
- Trimethylsilyl wikiPageWikiLink Silicone.
- Trimethylsilyl wikiPageWikiLink Silyl_ether.
- Trimethylsilyl wikiPageWikiLink Stationary_phase_(chemistry).
- Trimethylsilyl wikiPageWikiLink Stopcock.
- Trimethylsilyl wikiPageWikiLink TIPS_(chemistry).
- Trimethylsilyl wikiPageWikiLink Tert-butyl.
- Trimethylsilyl wikiPageWikiLink Tetrahedrane.
- Trimethylsilyl wikiPageWikiLink Tetramethylsilane.
- Trimethylsilyl wikiPageWikiLink Tributyltin.
- Trimethylsilyl wikiPageWikiLink Tributyltin_hydride.
- Trimethylsilyl wikiPageWikiLink Trimethylsilanol.
- Trimethylsilyl wikiPageWikiLink Trimethylsilyl_chloride.
- Trimethylsilyl wikiPageWikiLink Tris(trimethylsilyl)silane.
- Trimethylsilyl wikiPageWikiLink Van_der_Waals_radius.
- Trimethylsilyl wikiPageWikiLink Van_der_Waals_surface.
- Trimethylsilyl wikiPageWikiLink Van_der_Waals_volume.
- Trimethylsilyl wikiPageWikiLink Vial.
- Trimethylsilyl wikiPageWikiLink File:Supersilylapplication.png.
- Trimethylsilyl wikiPageWikiLink File:Tri(trimethylsilyl)silyl.png.
- Trimethylsilyl wikiPageWikiLink File:Trimethylsilyl_group.PNG.
- Trimethylsilyl wikiPageWikiLinkText "TMS".
- Trimethylsilyl wikiPageWikiLinkText "Trimethylsilyl".
- Trimethylsilyl wikiPageWikiLinkText "tms".
- Trimethylsilyl wikiPageWikiLinkText "triisopropylsilyl ether".
- Trimethylsilyl wikiPageWikiLinkText "trimethylsilyl".
- Trimethylsilyl hasPhotoCollection Trimethylsilyl.
- Trimethylsilyl wikiPageUsesTemplate Template:Authority_control.
- Trimethylsilyl wikiPageUsesTemplate Template:Reflist.
- Trimethylsilyl subject Category:Silicon_chemistry.
- Trimethylsilyl hypernym Group.
- Trimethylsilyl type Band.
- Trimethylsilyl type Thing.
- Trimethylsilyl comment "For tetramethylsilane, which also abbreviated as TMS, see tetramethylsilane.A trimethylsilyl group (abbreviated TMS) is a functional group in organic chemistry. This group consists of three methyl groups bonded to a silicon atom [−Si(CH3)3], which is in turn bonded to the rest of a molecule.".
- Trimethylsilyl label "Trimethylsilyl".
- Trimethylsilyl sameAs Trimethylsilylgruppe.
- Trimethylsilyl sameAs تریمتیلسیلیل.
- Trimethylsilyl sameAs Triméthylsilyle.
- Trimethylsilyl sameAs トリメチルシリル基.
- Trimethylsilyl sameAs Trimethylsilylgroep.
- Trimethylsilyl sameAs m.063m63.
- Trimethylsilyl sameAs Q419853.
- Trimethylsilyl sameAs Q419853.
- Trimethylsilyl sameAs 三甲基硅基.
- Trimethylsilyl wasDerivedFrom Trimethylsilyl?oldid=664077252.
- Trimethylsilyl depiction Trimethylsilyl_group.PNG.
- Trimethylsilyl isPrimaryTopicOf Trimethylsilyl.