Composés organosiliciés

<p>S12600 - 7-Oct-1-enyltrimethoxysilane</p>

<p>S09355 - Hexadecamethyl heptasiloxane</p>

<p>S25247 - Nonafluorohexyltriethoxysilane</p>

<p>S25067 - 1,4-Bis(triethoxysilyl)benzene</p>

<p>S03129 - 3-Bromo-1-triisopropylsilyl pyrrole</p>

<p>S11970 - 2-Methyl-4-trimethylsilyl-3-butyn-2-ol</p>

<p>S10610 - Methacryloxypropyldimethylmethoxysilane min 95%</p>

<p>S12325 - n-Octadecyltrimethoxysilane, includes up to 5-10% C18 Isomers</p>

<p>S20725 - Triphenylvinylsilane</p>

<p>Applications Tris(trimethylsilyl)silane) is used in the synthesis of silated alkenes and alkynes. Also used in the preparation of fused quinolines.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Kopping, B.et al.: J. Org. Chem., 57, 3994 (1992); Du, W. et al.: Org. Lett., 5, 1765 (2003);<br></p>

<p>Applications N,N-Diethyl(trimethylsilyl)amine is a chemical reagent with wide application in organic chemistry. Used in stereospecific addition reactions as well as in SN2 nucleophilic substitutions.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Bassindale, A. et al.: J. Organometal. Chem., 667, 66 (2003); Hagiwara, H. et al.: J. Chem. Soc., Perk Trans., 3, 316 (2002);<br></p>

<p>Applications (1-Ethoxycyclopropoxy)trimethylsilane used as a reactant in the synthesis of di-, tri- and tetracyclopropylhydrazines. Also used as reagent in the synthesis of g elsemoxonine which is found in gelsemium plant species that is used in traditional asian medicine.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Shestakov, A., et al.: Chem. Commun., 52, 2398 (2016); Diethelm, S., et al.: J. Am. Chem. Soc., 137, 6084 (2015);<br></p>

<p>Applications TRIPHENYLSILANE (cas# 789-25-3) is a useful research chemical.<br></p>

<p>Applications Trimethylboroxin is used in a diverse array of areas, including as a polymerization additive. Trimethylboroxin is also used in the preparation of CBS catalysts for asymmetric reductions.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Gilmore, N., et al.: Tetrahedron Asy., 14, 2115 (2003); Najera, C., et al.: Adv. Synth. Catal., 346, 1798 (2004);<br></p>

<p>Applications 3-(Dimethylphenylsilyl)-cyclobutanone is an intermediate used in synthesizing 2-Cyclobutenyl-3-trifluoromethyl-5-chloro-1H-indole-1-carboxylic Acid Ethyl Ester, which is synthesized from 5-chloro-2-oxindole (C375030), that is used in the preparation of novel GSK-3β inhibitors as anticancer agents.<br>References Choi, M.J., et al.: Bull. Korean. Chem. Soc., 32, 2015 (2011); Otani, M., et al.: Bioorg. Med. Chem. Lett.. 20, 4259 (2010); Jhan, Y.H., et al.: Tetrahedron. Lett., 54, 1155 (2013); Hsieh, J.C., et al.: Org. Biomolec. Chem., 10, 6404 (2012);<br></p>

<p>Applications Tetrabutylammonium Borohydride is a strong reducing agent used in the synthesis of hyperbranched polyglycerol grafting on the surface of silica-coated nanoparticles.<br>References Panja, P. et al.: ACS Sust. Chem. Eng., 5, 4879 (2017);<br></p>

<p>Applications Tetraethylammonium Tetrafluoroborate is used in the preparation of some organic salts of fluoboric acids.<br>References Wilke-D., et al.: Ber. Dtsch Chem. Ges.; 60B, 115 (1927)<br></p>

<p>Stability Moisture Sensitive and Hygroscopic<br>Applications Triethylsilyl Trifluoromethanesulfonate is a reagent used in the synthesis of pharmaceuticals such as cocosolide, an immunosuppressive agent.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Gunasekera, S. et al.: Chem. Eur. J., 22, 8158 (2016);<br></p>

<p>Applications Tetrakis(acetonitrile)palladium Bis(tetrafluoroborate) is used to prepare an α-Diimine-transition metal complex, which is used as a catalyst for polymerization of olefins. It is also a catalyst used in cross coupling reaction for C-C, C-O, and C-N bond formation.<br>References Feldman, J., et al.: Organometallics, 16, 1514 (1997); Johnson, L., et al.: PCT Int. Appl., WO 9623010 A2 19960801 (1996); Poppenbery, J., et al.: Surface Sci., 2011; Pijnenburg, N., et al.: Dalton Transactions, 40, 8896 (2011); Kilpin, K., et al.: Inorg. Chem., 50, 6334 (2011)<br></p>

<p>Applications 3-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-1,2-propanediol is an intermediate in the synthesis of 1,2-Dioleoyl-rac-glycerol (D482175), which is an analog of 1,3-Dioleoylglycerol (D484210) which is used in the synthesis of amphiphilic gadolinium complexes as MRI contrast agents.<br>References Accardo, A., et. al.: J. Mater. Chem. B., 1, 617 (2013)<br></p>

<p>Applications N-(Methoxymethyl)-N-[(trimethylsilyl)methyl]benzenemethanamine is used in the synthesis of pyrrolidine derivatives as novel sodium channel blockers used to treat ischemic related ailments.<br>References Seki, M. et al.: Bioorg. Med. Chem. Lett., 23, 4230 (2013);<br></p>

<p>Applications 1,3-Bis(tert-Butyldimethylsiloxy)-2-propanol is an intermediate in the synthesis of 2-Linoleoyl-rac-glycerol (L467960), which is a atty acid monoglycerides in vegetable oils with medium unsaturation.<br>References Compton, D., et al.: J. Pharmacol. Exp. Ther., 277, 586 (1996), Devane, W., et al.: Science, 258, 1946 (1992),<br></p>

<p>Stability Moisture Sensitive<br>Applications N-Trimethylsilylacetamide is a silylating agent used in organic synthesis. N-Trimethylsilylacetamide is used in the preparation of the antibacterial agent Cefdinir (C242670).<br>References Takano, R. et al.: J. Carb. Chem., 14, 885 (1995); Rao, K. et al.: Synth. Comm., 37, 2275 (2007);<br></p>

<p>Applications 3-[(tert-Butyldimethylsilyl)oxy]-1-propanol (cas# 73842-99-6) is a compound useful in organic synthesis.<br></p>

<p>Stability Moisture Sensitive<br>Applications Tert-Butyldimethylsilyl Trifluoromethanesulfonate is a highly reactive silylating agent and lewis acid capable of converting primary, secondary and tertiary alcohols to their respectctive TBDMS. Tert-Butyldimethylsilyl Trifluoromethanesulfonate is also used to covert ketones and lactones into their enol silyl ethers.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Hua, D.H. et al.: e-ROS Encyc. Reag. Org. Synth., No pp. given (2001); Suzuki, T. et al.: Synthesis, 4, 555 (2001);<br></p>

<p>Applications 1,​2-​Bis(trimethylsiloxy)​ethane is an organic reagent, used in the preparation of nonracemic hexahydrofurapyranol which acts as a high-affinity ligand for HIV-1 protease inhibitors.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Ghosh, A. et al.: Tetra. Lett., 58, 3230 (2017)<br></p>

<p>Stability Hygroscopic, Light-sensitive<br>Applications Triphenylmethylium Tetrafluoroborate is reagent used in organic synthesis such as the direct synthesis of 1,1-diphenyl-3-arylindanes.<br>References Surapanich, N. et al.: Synlett., 27, 2689 (2016);<br></p>

<p>Applications Triisopropyl Borate is a borate ester used in Suzuki couplings.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Wolfe, J. et al.: J. Am. Chem. Soc., 121, 9550 (1999); Darses, S. et al.: Eur. j. Org. Chem., 8, 1875<br></p>

<p>Stability Volatile<br>Applications Hexamethyldisilane is an organic silylating and disilylating reagent. It is also a useful reagent for reductive coupling, reductive deuteration, aroylarylation, carbosilylation, insertion, deuteration and dimerization reactions.<br>References Xiao, G., et al.: Tetrahedron Lett., 59, 1836 (2018); Lu, A., et al.: Angew. Chem. Int. Ed., 57, 3233 (2018); Deb, M., et al.: New J. Chem., 41, 14528 (2017); Hiyama, T., et al.: e-EROS Encyclopedia of Reagents for Organic Synthesis, 1 (2010)<br></p>

<p>Applications (2-Cyclobuten-1-yldimethylsilyl)benzene is an intermediate used in synthesizing 2-Cyclobutenyl-3-trifluoromethyl-5-chloro-1H-indole-1-carboxylic Acid Ethyl Ester, which is synthesized from 5-chloro-2-oxindole (C375030), that is used in the preparation of novel GSK-3β inhibitors as anticancer agents.<br>References Choi, M.J., et al.: Bull. Korean. Chem. Soc., 32, 2015 (2011); Otani, M., et al.: Bioorg. Med. Chem. Lett.. 20, 4259 (2010); Jhan, Y.H., et al.: Tetrahedron. Lett., 54, 1155 (2013); Hsieh, J.C., et al.: Org. Biomolec. Chem., 10, 6404 (2012);<br></p>

<p>Applications [3-[(Trimethylsilyl)oxy]-2-cyclohexen-1-yl]-benzene (cas# 108643-81-8) is a compound useful in organic synthesis.<br></p>

<p>Stability Moisture Sensitive<br>Applications Chlorotriethoxysilane (cas# 4667-99-6) is a useful research chemical.<br></p>

<p>Applications rac 1-O-Trimethylsilyl 3-Chloro-1,2-propanediol (cas# 1246820-26-7) is a compound useful in organic synthesis.<br></p>

<p>Applications Allenylboronic acid pinacol ester<br></p>

<p>Applications Ethyl [(tert-Butyldimethylsilyl)oxy]acetate (cas# 67226-78-2) is a compound useful in organic synthesis.<br></p>

<p>[[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane) is a compound that is used in photophysical studies. It has been shown to exhibit low energy levels and fluorescence properties. The chloro atom in this molecule has been shown to have a photostability of approximately 10 μs, which may be due to the lack of electron delocalization that would lead to a significant amount of excited state decay. This compound also exhibits fatty acid microcapsule formation and particle formation, which may be useful for confocal microscopy. [[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluorob</p>

<p>Hexadecyltrimethoxysilane is a volatile organic compound that has high values in the water vapor range. It is soluble in water and organic solvents, and can be used as a surface treatment agent for hydrophobic surfaces. Hexadecyltrimethoxysilane has been shown to have antimicrobial effects against bacteria such as Staphylococcus aureus and Escherichia coli by disrupting the cell membrane. Hexadecyltrimethoxysilane also inhibits the growth of microorganisms by preventing the synthesis of proteins essential for cellular processes. The transport rate of hexadecyltrimethoxysilane is relatively slow, with an optimum concentration of about 1%. This compound does not react with sodium citrate and has chemical stability.</p>

<p>(R)-Benzyl-2-[4-(trifluoromethyl)phenyl]-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazolium Tetrafluoroborate is a bactericide that inhibits the production of proteins necessary for cellular growth. It has been shown to inhibit the growth of bacteria such as E. coli in vitro and in animal models. The effective dose for this drug is not known at this time.</p>

<p>4-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline is a fine chemical and a useful building block. It is used as a reagent in research laboratories and as a speciality chemical. 4-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline can be used to synthesize complex compounds that are versatile building blocks for the production of pharmaceuticals.</p>

<p>(3-Bromopropoxy)-tert-butyldimethylsilane is a synthetic molecule that has been shown to inhibit prostate cancer cells. It binds to the phosphate group on the enzyme and inhibits its activity. (3-Bromopropoxy)-tert-butyldimethylsilane can be used as a chemical probe for identifying enzymes involved in phosphatase activity. This molecule has also been shown to have anti-cancer effects in vitro and in vivo assays, by preventing tumor growth and metastasis.</p>

<p>Propylboronic acid is a chemical compound that is used as a reagent in organic synthesis. It is a carboxylic acid and an aryl halide, which can be easily converted to other compounds by the addition of nucleophiles. Propylboronic acid has been shown to inhibit serine proteases, such as thrombin, which are involved in the coagulation of blood. It also has been shown to have anti-inflammatory properties and can be used as an antiviral agent against hepatitis C virus (HCV). The use of this chemical may lead to autoimmune diseases, such as lupus erythematosus. The mechanism for this effect is not yet clear, but it may involve inhibition of protein synthesis and induction of apoptosis.</p>

<p>4-(Allyloxy)phenylboronic acid is an intermediate in the manufacture of pharmaceuticals and other organic compounds. It can be used as a building block for more complex compounds and as a reagent in organic synthesis. 4-(Allyloxy)phenylboronic acid is soluble in water and has a melting point of &gt;200°C. This compound is a fine chemical with CAS No. 1117776-68-7 and is useful for research purposes.</p>

<p>2-Fluoro-4-methylsulfonylphenyl)boronic acid is a fine chemical that is useful as a scaffold for the production of other compounds. It can be used as a versatile building block in organic synthesis, and is often used as an intermediate or research chemical. 2-Fluoro-4-methylsulfonylphenyl)boronic acid has been shown to react with many different types of compounds, making it a valuable reagent. This compound is also known for its high quality, which makes it an excellent choice for use in reactions that require speciality chemicals.</p>

<p>Poly(methylphenylsiloxane) is a polymer that can be synthesized in a number of ways, but the most common method involves the use of an initiator to start the process. This polymerization process begins by adding a phenyl group (a hydrocarbon molecule consisting of a benzene ring with two hydrogens and one or more hydroxyl groups) to a siloxane chain, which is made up of alternating silicon and oxygen atoms. The structure is then extended by adding more phenyl groups in order to build the desired polymer. Poly(methylphenylsiloxane) has been shown to have an activation energy of 22.0 kJ/mol, as determined by electrochemical impedance spectroscopy. It also has optical properties that depend on its molecular weight, with low-molecular weight polymers being transparent while higher-molecular weight polymers become translucent or opaque.</p>

<p>3-Methacryloxypropyltrimethoxysilane is a silane that has been modified with an acrylic group. It is used as an additive for the production of coatings, adhesives, and sealants. 3-Methacryloxypropyltrimethoxysilane is resistant to hydrochloric acid and other chemicals. It is also stable in water and light exposure. This product has shown to have high adsorption properties, which may be due to its hydroxyl groups. 3-Methacryloxypropyltrimethoxysilane has also been shown to have coupling properties that are advantageous for use with polymers and plastics.</p>

<p>2,6-Dimethyl-1,4-diphenylpyridinium tetrafluoroborate is a high quality reagent that can be used as a useful intermediate in the synthesis of fine chemicals. It is used as an important building block in the synthesis of many organic compounds and is also an important reaction component. This compound has a wide range of uses and can be used as a versatile building block in organic synthesis or as a speciality chemical for research purposes.</p>

<p>O-(2-Trimethylsilylethyl)hydroxylamine HCl is a fine chemical that can be used as a versatile building block in the synthesis of complex compounds. It is also an intermediate for research chemicals, reagents, and speciality chemicals. O-(2-Trimethylsilylethyl)hydroxylamine HCl can be used as a reaction component in organic synthesis and has been shown to be useful in the synthesis of new scaffolds.</p>

<p>3-Formylphenylboronic acid is an apical ligand with a phenylpropionic acid substituent. It has been shown to have hypoglycemic effects in rats, and binding constants for proteins ranging from 10 μM to 1 mM. 3-Formylphenylboronic acid binds to the chelate ligand of a macrocyclic structure, which is a molecule consisting of two or more rings that are linked together. This compound has been shown to have inhibitory effects on both the enzyme (vibrational) and fluorescence resonance energy transfer (FRET).</p>

<p>4,4'-Biphenyldiboronic acid is a boronate ester that can be used as a cross-linker in the synthesis of polymers. It is soluble in organic solvents, but insoluble in water. The chemical structure of 4,4'-biphenyldiboronic acid consists of two phenyl groups and one boronic acid group. This compound has been shown to have a spacing between 2.2 and 2.4 Å for germanium atoms and has been used for microscopy studies with morphology and diffraction experiments.</p>

<p>(3-(Pyrrolidin-1-ylmethyl)phenyl)boronic acid (BPABA) is a fine chemical that is a useful building block in the synthesis of organic compounds. It is also a reagent in organic chemistry and research, as well as a speciality chemical and high quality compound. BPABA is versatile as a building block for the synthesis of complex compounds. It has been used in reactions with many different types of substrates, including nucleophilic addition to unsaturated carbon-carbon bonds, alkylation, vinylation, and Michael reaction. BPABA has been shown to be an effective intermediate for the synthesis of biologically active compounds such as antibiotics and antifungals. BPABA is also used for the synthesis of scaffolds in organic chemistry, such as polymers and nanomaterials.</p>

<p>2-Fluoro-5-methylpyridine-3-boronic acid is a high quality chemical with CAS No. 1072952-45-4 that is a useful building block for the synthesis of complex compounds and speciality chemicals. 2-Fluoro-5-methylpyridine-3-boronic acid is also a versatile building block that can be used in organic reactions as a reaction component for the synthesis of speciality chemicals and other reagents. It can also be used to make fluoroquinolones and related pharmaceuticals, which are used to treat bacterial infections. This compound has many uses in research, including being a valuable scaffold for the synthesis of new drugs.</p>

<p>4-(1-Piperidylmethyl)phenylboronic acid is a fine chemical that is used as a versatile building block in the synthesis of complex compounds. It has been used as a reagent and speciality chemical in research. 4-(1-Piperidylmethyl)phenylboronic acid is also a useful intermediate in organic synthesis, and can be used as a reaction component or scaffold for the preparation of other chemicals.</p>

<p>4-(tert-Butyldimethylsilyloxy)phenylboronic acid (BSPOH) is a molecule that has been shown to have growth factor activity. Studies have shown that BSPOH can stimulate the uptake of iron in cells, which may be due to its ability to increase hepcidin production. This compound also has anti-cancer properties and can induce apoptosis in cancer cell lines.</p>

<p>Pentafluorobenzeneboronic acid is a boronic acid that is used in the synthesis of cationic polymers for use as an environmentally friendly alternative to perfluoroalkyl compounds. Pentafluorobenzeneboronic acid can be synthesized by the reaction of hydrochloric acid and pentafluorophenol. The energy efficiency of this molecule is low, which makes it an attractive candidate for use in polymer synthesis. Pentafluorobenzeneboronic acid reacts with nucleophiles at its α carbon to form a covalent linkage, which is reversible under certain conditions. This chemical has been shown to react with β-unsaturated ketones and trifluoroacetic acid to form polyenes with control experiments being done by adding ammonia gas or water to the reaction mixture.</p>

<p>(R)-3,3'-Bis(triphenylsilyl)-1,1'-binaphthalene-2,2'-diol is a high quality chemical and useful scaffold that can be used as a reagent for the synthesis of complex compounds. This compound has CAS No. 111822-69-6 and is an intermediate for the preparation of fine chemicals and speciality chemicals. It is also a versatile building block that can be used in research or as a reaction component to produce useful scaffolds.</p>

<p>Bis(pinacolato)diboron is a versatile reagent that is used in organic synthesis. It is a boron-containing compound that inhibits the reaction between amines and hydroxide solutions, forming an intermediate copper complex with a carbonyl group. The mechanism of this inhibition has been explored and found to be due to the presence of a hydroxyl group on the bis(pinacolato)diboron molecule. Bis(pinacolato)diboron reacts with an amine to form an adduct containing a boron-nitrogen double bond. This intermediate then reacts with hydroxide ions from the solution to form the final product, which contains both an amine and hydroxyl groups. The isolated yield of this reaction is typically low, but can be increased by using palladium as a catalyst.</p>

<p>3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxane is a silicon compound that is an organosilicon. It has three functional groups: polyols, fatty acids and silanes. 3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxane is used as a monomer in the production of polydimethylsiloxane polymers. 3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxane is also used as a waveguide material in optical devices.</p>

<p>2-(Trifluoromethoxy)phenylboronic acid (2-TFB) is a boronic acid that is used in cross-coupling reactions. It has been shown to be an effective inhibitor of the Vismodegib pathway, which may offer therapeutic benefits for cancer patients. 2-TFB has also been shown to inhibit the activity of other pathways involved in cancer development, such as the benzamide and suzuki pathways. 2-TFB is metabolized through filtration, which can lead to significant pharmacokinetic properties. This compound can be recycled and reused in cross-coupling reactions, which reduces waste production and costs.</p>

<p>Dimethylethylsilylimidazole (DMS) is a drug that inhibits the activity of certain enzymes and transporters. It binds to the toll-like receptor and activates downstream signalling pathways, leading to an increased production of reactive oxygen species. DMS also inhibits the activity of DNA polymerase and prevents transcriptional elongation by blocking the dinucleotide phosphate-dependent enzyme. DMS has been shown to be effective in treating chronic cough caused by squamous cell carcinoma. This drug can have adverse effects on other drugs that are metabolized through cytochrome P450 enzymes or are substrates for P-glycoprotein transporters.</p>

<p>3’-O-t-Bulyldimethylsilyl thymidine is a nucleoside analog that is chemically stable and has been shown to be a potential biomarker for the diagnosis of fetal bovine spongiform encephalopathy (BSE). 3’-O-t-Bulyldimethylsilyl thymidine binds to basic proteins in the cell nucleus, which can be detected by immunoassay. It also has been shown to inhibit protein synthesis in tubule cells of the kidney and skin cancer cells. The drug is metabolized by dephosphorylation to t-butyldeoxyuridine, which is then converted into thymidine.</p>

<p>Decamethylcyclopentasiloxane is a compound that is used in wastewater treatment. It is used as a co-solvent in the removal of fatty acids from wastewater by adsorption on activated carbon. Decamethylcyclopentasiloxane has been shown to be less toxic than other solvents, such as pergolide mesylate, and can be used for the removal of fatty acids from wastewater by adsorption on activated carbon. The process involves the formation of decamethylcyclopentasiloxane-fatty acid complexes at the surface of activated carbon particles. Decamethylcyclopentasiloxane does not cause chronic exposure or emit particles when subjected to high temperatures.</p>

<p>High performance small molecule for OFET applications</p>