Organosilicon Compounds

Siloxanes

Alkyne trimerisation

Sakurai reaction

Silicon-oxygen bond

Dimethyldiethoxysilane

Trimethylsilyldiazomethane

Rebekka Klausen

Allyltrichlorosilane

Vinyltriethoxysilane

Trimethylsilanol

Triethoxysilane

Allyltrimethylsilane

Siloxane

Acylsilane

Silanes

DSS (NMR standard)

Organosilanols

Methyltrimethoxysilane

Tert-Butyldimethylsilyl chloride

BSTFA

Organosilicon chemistry

Bis(trimethylsilyl)acetamide

Silyl enol ether

Triisopropylsilane

Trifluoromethyltrimethylsilane

Bis(trimethylsilyl)peroxide

Organogermanium chemistry

Bis(trimethylsilyl)amine

Disilyne

Trimethylsilylacetylene

Trimethylsilyl isothiocyanate

Chemistry8

• Paul Lickiss, Professor of Organometallic Chemistry, is interested in the chemistry of main group compounds, particularly organosilicon compounds. (imperial.ac.uk)
• We thank Stefanie Lorenz and Ann-Kathrin Amsel for help with Schr{\"o}dinger and QSAR Toolbox and Jakob Menz for fruitful discussions regarding the ECHA database and the QSAR Toolbox, as well as Reinhold Tacke, Dennis Troegel and Norbert W. Mitzel for introducing us to organosilicon chemistry. (leuphana.de)
• In summary, Triethoxyvinylsilane is an essential building block for the organosilicon industry owing to its versatility in enabling silicone polymer formation and silane chemistry. (pengrun.ltd)
• A trimethylsilyl group (abbreviated TMS ) is a functional group in organic chemistry . (wikidoc.org)
• In the flourishing chemistry of divalent silicon, π-complex formation between silicon and the pentamethylcyclopentadienyl (Cp*) group is one of the successful strategies for thermodynamic and/or kinetic stabilization. (researchgate.net)
• But the new biological trick, which was forcefully evolved in bacteria, is safer and 15 times more efficient than synthetic, industrial chemistry at making organosilicons that are useful to industry and research. (businessinsider.com)
• The potential upside of using silicon in therapeutics has been recognized for decades, but progress in developing silicon drugs has been impeded, in part, by a lack of general methods to create organosilicon scaffolds," said Jean-Philip Lumb, PhD, Associate Professor of Chemistry at McGill. (pharmiweb.com)
• The duo used their chemistry research as the basis for Silatronix's technology: patented organosilicon compounds that can be used in lithium-ion and other battery creation to drastically improve stability and efficiency. (inwisconsin.com)

Silicones5

• Polydimethylsiloxane ( PDMS ) belongs to a group of polymeric organo-silicon compounds that are commonly referred to as silicones. (umich.edu)
• It is classified as a polydimethylsiloxane and is part of a group of polymeric organosilicon compounds known as silicones. (calpaclab.com)
• A cyclic silicone refers to a structure of a compound that possesses a cyclical structure rather than the chain structures of dimethyl silicones. (sheppard-arts.com)
• 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 CDCl 3 . (wikidoc.org)
• Gelest, Inc., headquartered in Morrisville, Pennsylvania, is recognized worldwide as an innovator, manufacturer and supplier of commercial and research quantities of organosilicon compounds, metal-organic compounds and silicones. (paintsandcoatingsexpert.com)

Synthesis6

• The following short review summarizes the results we achieved with the investigation of chiral silicon groups as auxiliaries for the enantioselective synthesis. (chimia.ch)
• The synthesis of metal-organic frameworks (MOFs), particularly containing main group elements as the metal node, and organosilicon compounds as the linkers between the nodes is being studied. (imperial.ac.uk)
• Our interest in compounds containing Si-O bonds such as silanols and siloxanes concentrates on the synthesis, characterisation and uses of cubic silsesquioxanes. (imperial.ac.uk)
• S. Bienz, S. Bratovanov, A. Chapeaurouge, P. Huber, L. Fischer, M. Pietzsch, C. Syldatk: Chiral Silicon Groups as Auxiliaries for Enantioselective Synthesis: Access to Optically Active Silanes by Biotransformation and the Enantiospecific Preparation of (R)-(+)-1-Phenylethanol. (uzh.ch)
• They belong to the organosilicon compounds and are exclusively obtained by synthesis. (sheppard-arts.com)
• 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 . (wikidoc.org)

Silicone6

• It is a colorless, moisture-sensitive liquid that is used extensively as an intermediate in the production of silicone polymers and other organosilicon compounds. (pengrun.ltd)
• The ethoxy groups can be hydrolyzed into silanols which then condense to form siloxane bonds, leading to the formation of silicone polymers. (pengrun.ltd)
• Traditional silicone is oxygen-containing high-molecular organosilicon compound with the chemical formula [R2SiO]n, where R = organic group (methyl, ethyl or phenyl). (sciencealpha.com)
• Among them, the silicone bond (-Si-O-Si-) as the backbone of the composition of the polysiloxane, is the organosilicon compounds for the number of deep research, wide application of a class, accounting for about 90% of the total amount of more than. (ruidasilica.cn)
• The key difference between silicone and siloxane is that silicone is a polymer material whereas siloxane is a functional group. (sheppard-arts.com)
• Furthermore, silicone has a number of siloxane groups repeating throughout the structure while the structure of siloxane is Si-O-Si bond. (sheppard-arts.com)

Polymeric2

• Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof. (justia.com)
• One embodiment of the present invention is directed to a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof. (justia.com)

Carboxylic acids1

• 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. (wikidoc.org)

Catalysts1

• However, one big drawback remains to be overcome in this field: the limited functional group compatibility of the currently available Pt hydrosilylation catalysts in the silicon industry. (nature.com)

Volatile3

• During application, volatile organic compounds (VOC) were heavily emitted. (allindianpatents.com)
• 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 . (wikidoc.org)
• SW produces complex aerosols composed of metal and volatile compounds (VOCs) which have caused lung disease in workers. (cdc.gov)

Hydroxyl3

• Glycerol has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature. (openfoodfacts.org)
• The etherification of the hydroxyl group of citric acid with saturated and unsaturated long-chain alkyl groups is described. (researchgate.net)
• The SIVATE A610 activated amine silane reacts with more than three times as many hydroxyl groups as conventional ethoxy silanes and has a reaction speed more than 100 times faster than conventional silanes, providing immediate adhesion. (paintsandcoatingsexpert.com)

Ionic7

• This invention is directed to methods of treating inorganic surfaces with aqueous compositions including ionic organosilicon compounds. (allindianpatents.com)
• Surprisingly, it has been found that the application of water soluble ionic organosilicon compounds, which unitl the present invention have only been used in small quantities to solubilize silanes, to inorganic surfaces provides the treated surface with an excellent hydrophobic property. (allindianpatents.com)
• The present invention exclusively utilizes ionic organosilicon compounds as the main or sole component for imparting water repellency upon surface treatment of inorganic substrates. (allindianpatents.com)
• The methods of the present invention comprise the application of ionic ogranosilicon compounds to inorganic surfaces whereby imparting water resistance to the substrate. (allindianpatents.com)
• This invention relates to methods of water proofing inorganic surfaces with an aqueous solution containing an ionic organosilicon compound. (allindianpatents.com)
• Additionally, the present invention is directed to an inorganic surface treated with an aqueous solution containing an ionic organosilicon compound such that a water resistant film covers the inorganic surface. (allindianpatents.com)
• In the presence of ionic compounds, the thermal decomposi-tion of octacarbonyldicobalt, Co 2 (CO) 8 , in an inert solvent leads exclusively to ε-Co nanocubes. (researchgate.net)

Atoms5

• Reacting with lithium alkyl, the hydrogen atoms in the si-h bond are replaced by alkyl groups. (hkvk.net)
• It is an advantage of the process according to the present invention that a catalyst with a higher activity is obtained if before being contacted with the titanium tetrachloride, the solid magnesium containing support, having the formula Mg(OAIk)xCly, is treated with titanium tetraalkoxide Ti (OAIk) Generally, the alkyl group Alk of Mg(OAIk)xCly is an alkyl group with 1-8 carbon atoms. (allindianpatents.com)
• 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. (wikidoc.org)
• Silicene was first synthesized by following a bottom-up approach in which silicon was deposited on metal surfaces that do not strongly interact with Si atoms or the resultant compounds. (routledgehandbooks.com)
• Quite different behavior of the monomers under study in these reactions was found depending on the amount of chlorine atoms and silyl groups and their positions in the molecule, as well as on the nature of substituents at the silicon atom was found. (finechem-mirea.ru)

Polymers1

• Polyepoxides are polymers containing epoxide groups, recognized for their excellent adhesion, corrosion resistance, and wear resistance. (tis-silicone.com)

Alkyl2

• The alkyl group may be linear or branched. (allindianpatents.com)
• Authors' investigation results of gas phase reaction of GeCl 2 generated in GeCl 4 - Si 2 Cl 6 system with aryl-, alkyl- and alkenylchlorides, methyl-substituted benzene and unsaturated compounds have been summarized. (finechem-mirea.ru)

Benzene1

• The compounds 1,3-bis(diethylgallyl)benzene (3) and 1,4- bis(diethylgallyl)benzene (6) were prepared by reaction of the corresponding chloromercuriobenzenes with an excess of triethylgallium by applying pressure and higher temperatures. (researchgate.net)

Trimethylsiloxy1

• This way trimethylsiloxy groups are formed on the molecule. (wikidoc.org)

Nitrogen1

• Organosilicon is a kind of organosilicon compound, refers to the compound containing Si-C bond, and at least one organic group is directly connected with the silicon atom, it is also customary to treat those organic groups connected with the silicon atom through oxygen, sulfur, nitrogen, etc. as organosilicon compounds. (ruidasilica.cn)

Gelest3

• From microelectronics to cosmetics, Gelest serves a diverse range of markets, specializing in custom compound development to create exact solutions for exact client needs. (gelest.com)
• July 7, 2023 - Today, Gelest, Inc., a Mitsubishi Chemical Group company, marks a new milestone with the groundbreaking of its latest production facility. (gelest.com)
• Gelest Inc. today announced that Edward Kimble will be promoted to Executive Vice President and is responsible for the management of the commercial segment of the business overseeing the Business Units, Product Management, and Customer Service groups. (gelest.com)

Aqueous1

• The microemulsions contain oils, surfactants, water, and the pharmaceutical compounds, and are produced by mixing an aqueous phase and a lipid phase in which each phase contains at least one surfactant in a defined ratio whereby the resulting microemulsion has very small dispersed particles and is thermodynamically very stable. (justia.com)

Abstract1

• abstract = "Organosilicon compounds have numerous applications in consumer products. (leuphana.de)

Reaction3

• The use of bulky groups to promote new reaction pathways and novel structural features has led to bridged Si cations being prepared. (imperial.ac.uk)
• The fundamentals of organosilicon reaction mechanisms are of continuing interest to the group. (imperial.ac.uk)
• Trichloro(3-chloropropyl)silane ( 1 ) is an important key intermediate to access various silane coupling agents via simple nucleophilic substitution reaction and alcoholysis of trichlorosilyl group 13 . (nature.com)

Molecular2

• Hexamethyldisilazane(HMDZ) is an organosilicon compound with the molecular formula [(CH3)3Si]2NH. (silways.com)
• This structural group is characterized by chemical inertness and a large molecular volume which makes them useful in a number of applications. (wikidoc.org)

Ethoxy2

• TEVS contains three labile ethoxy groups bound to silicon, enabling it to function as an excellent chemical intermediate. (pengrun.ltd)
• Preferably, at least one of the alkoxy groups in the titanium tetraalkoxide is an ethoxy group. (allindianpatents.com)

Cyclic1

• Wittig-Horner reactions of 2-dimethoxyphosphinyl-1,3-dithiole derivatives with a benzoquinone-cyclopentadiene adduct and anthraquinone afforded new types of electron donors with alkylthio groups for organic conductors which showed reversible oxidation waves on cyclic voltammetries and formed conductive charge-transfer complexes with TCNQ or DDQ. (heterocycles.jp)

Surfaces2

• These compounds in organic solvents have been found to be useful for providing water resistance to brick, concrete, stucco, or terrazo surfaces. (allindianpatents.com)
• No. 5,073,195, the contents of which are hereby incorporated by reference, application of organosilicon compounds to surfaces for water proofing is well known in the art. (allindianpatents.com)

Investigation2

• A systematic investigation of environmental degradability of organosilicon compounds allows to derive some general design principles, which in turn would enable chemists to reduce or better avoid environmentalpersistence of organosilicon compounds in the environment. (leuphana.de)
• Consequently, there are only a small number of silicon-containing compounds under current investigation for pharmaceutical use. (pharmiweb.com)

Silyl groups1

• Related to trimethylsiliyl groups are so-called super silyl groups of which there exist two varieties: A silicon group connected to three trimethylsilyl groups makes a tri(trimethylsilyl)silyl group (TTMSS or TMS 3 Si) and a silicon group connected to three tert-butyl groups. (wikidoc.org)

Carbon4

• Since the discovery of graphene, a single-atom-thick honeycomb carbon structure, a great deal of effort has been both theoretically and experimentally dedicated to the search for similar two-dimensional (2D) materials comprising group-IV elements, especially silicon. (routledgehandbooks.com)
• You're probably already familiar with a few products products that use carbon-silicon, or organosilicon: glues, caulks, and pesticides, to name a few. (businessinsider.com)
• Meanwhile, burning carbon compounds produces gases like carbon dioxide. (businessinsider.com)
• Belonging to the same group in the periodic table as carbon, silicon shares many of its properties, including biocompatibility and low toxicity. (pharmiweb.com)

Oxidation1

• The respective α-hydroxysilanes could be stereospecifically desilylated to chiral secondary alcohols, or, depending on the substitution pattern, further used as starting compounds for stereocontrolled oxidation, Cope - or Claisen -type rearrangement reactions. (chimia.ch)

Proceedings1

• The download introducing psycholinguistics of politicians compounds from six nations to 38 Proceedings. (wpmonline.com)

Thermal2

• Heptamethyltrisiloxane is an organosilicon compound noted for its high chemical stability, superior penetration capabilities, thermal stability, wetting properties, exceptional modification effects, and its ability to reduce surface tension. (tis-silicone.com)
• The thermal stability of organosilicon stationary phases for gas-liquid chromatography has been tested under conditions approximating the real operation of chromatographic column. (finechem-mirea.ru)

Chromatography1

• The preparative gas chromatography method has been used for isolation of heterocyclic organosilicon compounds boiling up to 400o C. The ways are shown for solution of problems which arise in the course of isolation of such high boiling substances. (finechem-mirea.ru)

Hydrogen1

• Arnold and her group have discovered that heme proteins catalyze the formation of organosilicon compounds under physiological conditions via carbene insertion into silicon-hydrogen bonds. (chemistryviews.org)

Amino1

• This group of compounds includes amino acids and fatty acids. (bvsalud.org)

Substances5

• Therefore, in this study, all organosilicon substances registered in the European Chemicals Agency (ECHA) database were evaluated for their environmental biodegradability. (leuphana.de)
• Results of own experiments with different organosilicon substances were added to extend the data basis. (leuphana.de)
• The remaining 182 substances were grouped regarding their structure to derive general rules for the environmental biodegradability of organosilicon compounds. (leuphana.de)
• This knowledge could be used for the design of better degradable organosilicon compounds as non-degradable substances should beavoided if they enter the environment after their usage. (leuphana.de)
• We thank Tobias Sch{\"a}fer, Dennis Troegel, Reinhold Tacke, Gerhard Schottner, and Norbert W. Mitzel for providing and synthesizing organosilicon substances for biodegradation tests. (leuphana.de)

Methyl group2

• The PDMS used in soft lithography, in particular, is methyl group terminated. (umich.edu)
• A trimethylsilyl group bonded to a methyl group forms tetramethylsilane , which is abbreviated as TMS as well. (wikidoc.org)

Catalyst2

• Catalyst components for the preparation of a polyolefin such as for example polypropylene are generally known and the essential elements for the preparation of such catalyst components are a magnesium-containing compound and a titanium compound supported thereon. (allindianpatents.com)
• The effect of a number of vinyl-containing organosilicon compounds used as the Speier catalyst additives upon the activity of the resulting catalyst was studied. (finechem-mirea.ru)

Functional group1

• In this approach, an independent C-C bond forming event leads to a functional group that can be reduced (hydrogenated) by CO/H2O. (illinois.edu)

Silicon atom1

• This group consists of three methyl groups bonded to a silicon atom [−Si(CH 3 ) 3 ], which is in turn bonded to the rest of a molecule. (wikidoc.org)

Ethers1

• Groups like ethers, esters,oximes, amines, and amides were prone to hydrolysis, which can result in readily biodegradable intermediates if they do not contain silicon functional groups anymore. (leuphana.de)

Class3

• Methoxysilanes are a class of organosilicon compounds containing -OCH 3 groups. (alfa-chemistry.com)
• they are used as lubricants, hydraulic fluids, waterproofing compounds, varnishes, and enamels because, as a class, they are chemically inert and unusually stable at high temperatures. (sheppard-arts.com)
• Systematic studies on the chemical properties of a new class of compounds - silylchloro derivatives of ethylene and acetylene - and on regularities of their behavior in hydrosilylation, chlorination, and hydroclorination were reviewed. (finechem-mirea.ru)

Bulky1

• Otherwise very reactive molecules can be isolated when enveloped by bulky trimethylsilyl groups. (wikidoc.org)

Research2

• Additionally, the company was awarded a Technology Development Loan (TDL) to advance its organosilicon research even further. (inwisconsin.com)
• A large number of the company's staff are alumni, and the company has received investment from local entities including the Wisconsin Alumni Research Foundation and the Pyle Group. (inwisconsin.com)

Chemical1

• Nonionic surfactants are a type of surface-active agents that lack ionizable groups in their chemical structure. (tis-silicone.com)

Reactions2

• Alkoxy)methyl-substituted silicon compounds with 'Si-centered chirality', which were prepared in optically active form by application of a bioreduction, have been efficiently used as starting materials for a number of stereoselective reactions. (chimia.ch)
• These compounds very easily undergo redistribution reactions in solution and in the solid state. (researchgate.net)

Application2

• Application of 29 Si-NMR to analysis of silylated compounds. (cas.cz)
• Traditionally, application of these compounds was carried out in flammable solvents such as ethanol, methanol and various liquid hydrocarbons. (allindianpatents.com)

Metal1

• The metal oxide particles (B) have been surface-modified with an organosilicon compound or an amine compound. (patentsencyclopedia.com)

Formula3

• Sodium propyl p-hydroxybenzoate, the sodium salt of propylparaben, a compound with formula Na-C3H7-C6H4COO-O-, is also used similarly as a food additive and as an anti-fungal preservation agent. (openfoodfacts.org)
• Triethoxyvinylsilane (TEVS) is an important organosilicon compound with the formula CH2=CHSi(OC2H5)3. (pengrun.ltd)
• Preferably the temperature during the treatment of the compound with formula Mg(OAIk)xCly with the titanium tetraalkoxide and/or alcohol is in the range from -10°C to 50°C, more preferably in the range from -5°C to 40°C and most preferably in the range between 0°C and 30°C. (allindianpatents.com)

High1

• Immediately after exposure, baseline RL was significantly elevated in the group exposed when VOC levels were high. (cdc.gov)

Applications1

• PDMS can be synthesized with a variety of end groups suitable for a wide variety of applications. (umich.edu)

Water2

• One type of water repellent that has been used is organosilicon compounds. (allindianpatents.com)
• Provided are oil-in-water microemulsions for formulating pharmaceutically active compounds. (justia.com)

Product1

• The determination of the group is based on the category of the product and on the ingredients it contains. (openfoodfacts.org)