Composés organosiliciés

<p>(-)-B-Chlorodiisopinocampheylborane is a synthetic compound that belongs to the class of diketones. It has been used in asymmetric synthesis, metathesis reactions, and as a catalyst for the preparation of chiral compounds. (-)-B-Chlorodiisopinocampheylborane can be synthesized from trifluoromethylation using chlorodiphenylsilane and sodium borohydride in heptane. This agent has been shown to be effective for the production of β-unsaturated ketones by reaction with carbonyl groups. The reaction produces a racemic mixture of enantiomers, which are isomers that are not identical but have the same chemical formula and similar physical properties. (-)-B-Chlorodiisopinocampheylborane can also be used as an intermediate for the synthesis of latanoprost lactol, which is a prostaglandin</p>

<p>2-Aminopyrimidine-5-boronic acid pinacol ester is a boronic acid derivative that has been shown to inhibit the activity of protein kinase C. This compound is also an effective linker for cross-coupling reactions and has a low reactivity with nucleophiles, which makes it safer than other boronic acids. 2-Aminopyrimidine-5-boronic acid pinacol ester has been shown to be potent against cancer cells in vitro and in vivo and synthetic cells. 2-Aminopyrimidine-5-boronic acid pinacol ester inhibits the growth of cancer cells by binding to the ATP site on protein kinase C, thereby inhibiting its function.</p>

<p>Triisopropanolamine borate is an organic compound with the formula (CH3)3N(CH2)3OH. It is a colorless liquid with a sweet, amine-like odor. Triisopropanolamine borate is widely used as a cross-linking agent in coatings, and as a reactive functional group in polycarboxylic acid synthesis and cationic polymerization. It also has been used as a blood pressure lowering agent and to treat high calcium levels in the blood. The chemical structure of triisopropanolamine borate can be seen below: Triisopropanolamine Borate, Chemical Structure The chemical formula for triisopropanolamine borate is CH3N(CH2)3OH. Triisopropanolamine borate has many applications due to its reactive functional groups, including cross-linking agents for coatings and polycarboxylic acid synthesis</p>

<p>Vinyloxytrimethylsilane is an organosilicon compound that is used as a polymerization initiator. It reacts with cyclobutanone to form a ruthenium complex, which can be used to coat surfaces and produce polymers. The use of this compound has been shown to increase the reaction yield and decrease the amount of by-products in the polymerization process. Vinyloxytrimethylsilane is biodegradable, making it an environmentally friendly alternative for coating surfaces or producing polymers.</p>

<p>Please enquire for more information about (3-IMidazol-1-yl-propyl)-[4-(4,4,5,5-tetraMethyl-[1,3,2]dioxaborolan-2-yl)-benzyl]aMine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

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<p>Triethyl borate is an inorganic acid that is used as a catalyst. It has been shown to react with hydrochloric acid and orthoboric acid to form hydrogen boron hydride (H3BO3) and water. It also reacts with hydrogen chloride, forming hydrogen boron chloride, which can be used to prepare the active form of boric acid. This reaction is reversible and the equilibrium can be shifted by adding a base such as sodium hydroxide or ammonia. Triethyl borate is reactive, so it should only be handled in well-ventilated areas. The structural analysis of this compound reveals that it contains two hydroxyl groups that are involved in intramolecular hydrogen bonding, which helps stabilize its structure. Triethyl borate has been shown to have anti-infectious properties, inhibiting the growth of infectious bacteria such as Staphylococcus aureus and Streptococcus pneumoniae.</p>

<p>Dichloro(methyl)octadecylsilane is a liquid that is used to coat the inside of tubes in chromatographic columns. The coating ensures that the stationary phase (the material on which the analyte travels) remains stationary and is not carried away with the mobile phase. It has been shown to be effective at removing hydrogen chloride from water and can be used as a fabricating agent for coatings. Dichloro(methyl)octadecylsilane is used in analytical chemistry, where it has been shown to have a number of uses including being able to remove hydroxy groups from molecules and electron microscopy, where it can be used as a coating for nonpolar solvents.</p>

<p>Lithium difluoro(oxalato)borate is an electron-microscopic corrosion inhibitor that belongs to the class of ester compounds. It is a solid compound that has been shown to be efficacious against oxidation products. The efficiency of this compound is dependent on the concentration and purity of lithium difluoro(oxalato)borate and the type of metal, such as steel or aluminum. Lithium difluoro(oxalato)borate can be used in rechargeable batteries, due to its transport properties, high salt tolerance, and low self-discharge rate. This compound has been shown to have functional groups that are capable of interacting with hydrogen fluoride in an organic solution.</p>

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<p>Please enquire for more information about 6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydrobenzo-1,4-dioxoline including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

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<p>4-Mercaptophenylboronicacid is a boronic acid that has been used to synthesize gold nanoparticles with antimicrobial properties. Boronic acids are able to form hydrogen bonds with biological molecules such as proteins and DNA, which allows them to be used for immobilization of biomolecules. This compound is also used as a reagent for the synthesis of disulfide bonds in proteins and peptides. 4-Mercaptophenylboronicacid can be used to prepare samples for electrochemical impedance spectroscopy (EIS) and colorimetric analysis.</p>

<p>Chloromethyl(dichloro)methylsilane is a diphenyl ether that can be generated by the reaction of chloromethylchlorosilane with sodium in liquid ammonia. Chloromethyl(dichloro)methylsilane is used to prepare Grignard reagents and coatings. It reacts with benzyl groups in the presence of base to form phenyldichlorosilanes, which are used as thermally stable coatings. Chloromethyl(dichloro)methylsilane has been shown to undergo bond cleavage under thermal conditions, forming a molecule with a hydroxyl group and chloride functional group. Gel permeation chromatography has revealed that this substance contains no reactive functional groups other than the chloromethoxy group.</p>

<p>(R)-(+)-2-Methyl-CBS-oxazaborolidine is a dpp-iv inhibitor that is a β-unsaturated ketone. It has been shown to inhibit the enzyme histone lysine demethylase, which may be involved in the regulation of bone mass. This compound also has a pharmacokinetic profile that is characterized by high oral bioavailability, low plasma protein binding, and rapid metabolism by liver enzymes. The reaction mechanism for this compound is based on the formation of an enolate carbanion. (R)-(+)-2-Methyl-CBS-oxazaborolidine can be synthesized with high stereoselectivity and yields from reactions with simple starting materials. This synthetic route also has a number of advantages over other methods: it does not require any protecting groups, it does not use toxic solvents such as dichloromethane or chloroform, and it can be performed in anhydrous conditions</p>

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<p>Boron carbide is a chemical compound that belongs to the group of borides. It is used as a solid catalyst in wastewater treatment, which can remove organic contaminants and heavy metals from water. Boron carbide has shown chemical stability when exposed to sodium citrate and it has a low thermal expansion coefficient. The surface properties of this material are characterized by high surface area and high reactivity, which make it suitable for sample preparation and transport. Boron carbide is also resistant to radiation and exhibits good structural stability in particle form. This material has been shown to catalyze reactions with zirconium oxide, but its reaction mechanism is not yet well understood.</p>

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<p>4-(Trimethylsilyl)phenylboronic acid is a molecule that can be used as an acceptor in fluorescence. It has been shown to have acceptor properties, which means it is able to absorb light energy and transfer it to other molecules. This chemical can be used in microscopy and cross-coupling reactions. 4-(Trimethylsilyl)phenylboronic acid has been shown to undergo thermally activated transport properties and to be isomeric. The molecule also has cross-coupling reactions with anilines, which are important for the production of pharmaceuticals and other organic compounds. 4-(Trimethylsilyl)phenylboronic acid has a high affinity for chloride ions, making it a good candidate for use in solar cells.</p>

<p>4-tert-Butylphenylboronic acid is an aromatic hydrocarbon that belongs to the class of phenoxy. It is a molecule with nitrogen atoms and a molecular weight of 144.17 g/mol. 4-tert-Butylphenylboronic acid has been shown to form a copper complex in the presence of sodium trifluoroacetate, which is used for cross-coupling reactions. This compound also reacts with hydrochloric acid to form 4-methoxyphenylboronic acid and trimethyl boronate, which can be used as reaction products in organic synthesis. The stability of this compound has been studied using electrochemical impedance spectroscopy (EIS) on thin films.</p>

<p>The trifluorophenylboronic acid is a boronic acid that has been used in the synthesis of vitamin B12. This compound is often used as a catalyst for the Suzuki coupling reaction. It can also be used to synthesize amides and synthons. The trifluorophenylboronic acid is soluble in water, ethanol, and acetone. The pH of the solution depends on the type of base added. For example, when an amine is added to the solution, it increases to approximately 8-9. When a p-hydroxybenzoic acid is added to the solution, it decreases to approximately 2-3.</p>

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<p>Cyclopenten-1-ylboronic acid is a chemical compound that is used in the synthesis of pharmaceuticals. It has been shown to be effective against some viruses, including Hepatitis C virus, and also against some infectious diseases such as malaria. Cyclopenten-1-ylboronic acid binds to cannabinoid receptors and may have therapeutic potential for metabolic disorders such as obesity and diabetes. The diastereomer of this chemical compound may be used as an ophthalmic drug because it has been shown to be a potent vasoconstrictor. The ring structure is similar to other drugs that are used for the treatment of Parkinson's disease, Alzheimer's disease, and epilepsy. Cyclopenten-1-ylboronic acid has two enantiomers, which means that they are mirror images of each other. One enantiomer is more potent than the other one and is more likely to bind with cannabinoid receptors and inhibit viral replication.</p>

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<p>The process development of 4-fluoro-2-(trifluoromethyl)phenylboronic acid (4FTFPBA) is a simplified procedure that can be scaled up and used for medicinal chemistry. This compound was synthesized by a boronic acid process using the Suzuki-Miyaura cross coupling reaction. The major factor to consider in this synthesis is the placement of the fluorine atom, which determines the relative reactivity and stability of the compound. In order to mimic these factors, an environment with low water content and a sequence that minimizes exposure to air are required.</p>

<p>2-Chloropyridine-4-boronic acid is a nicotinic acetylcholine receptor antagonist that has been shown to be effective against trypanosomiasis. It blocks the binding of acetylcholine to its receptor, which prevents the propagation of an action potential in the postsynaptic cell. 2-Chloropyridine-4-boronic acid inhibits the enzymes cyclooxygenase and prostaglandin synthase, which are involved in inflammation. 2-Chloropyridine-4-boronic acid is potent and selective for nicotinic acetylcholine receptors, but it also binds to other sites on the enzyme. The molecular modeling studies have shown that this compound has a pharmacophore that can be used as a guide for drug design.</p>

<p>Tetraethylammonium tetrafluoroborate is a diamagnetic chemical species that reacts with water, forming the hydrated salt tetraethylammonium hydroxide. Tetraethylammonium tetrafluoroborate has a high resistance to oxidation and reduction reactions. It can be used as an electrolyte in electrochemistry and as a thermal expansion agent in plastics. The potentials of this substance are around +1 V, which makes it useful for electrochemical impedance spectroscopy. Tetraethylammonium tetrafluoroborate is activated by organic solvents, but not by water vapor.</p>

<p>4-Hydroxyphenylboronic acid is a potential anticancer agent that has been studied in vitro and in vivo. It has been shown to inhibit the activity of p-glycoprotein, which is a protein that pumps drugs out of cells, and it is also an inhibitor of lipid kinase. 4-Hydroxyphenylboronic acid binds to the ATP binding site of the enzyme and forms covalent bonds with Lys residues on the enzyme, inhibiting its function. The compound can be detected at low concentrations using fluorescence or chemiluminescence techniques. This compound may have therapeutic benefits for antimicrobial agents as well as for cancer treatment.</p>

<p>2-Pyridineboronic acid is a chemical compound that belongs to the group of quinoline derivatives. It is used in pharmaceutical preparations, including as an intermediate for the synthesis of other compounds. 2-Pyridineboronic acid has been shown to have antiproliferative effects on cancer cells and has been found to be active against nicotinic acetylcholine receptors (NAR). The compound also inhibits lipid kinase activity, which is involved in the production of phosphatidylcholine and phosphatidylethanolamine from phosphatidylserine. 2-Pyridineboronic acid can react with hydrochloric acid and electrochemical impedance spectroscopy to produce a solution that has a detection time of about 10 minutes.</p>

<p>3-Bromopropyltrimethoxysilane is a divalent hydrocarbon that has been used as a model compound for the study of detection methods. It has been shown to have biocompatible properties and can be used as an immobilization template molecule. 3-Bromopropyltrimethoxysilane also reacts with pyridinium ions to form complexes that are highly stable. The stability of these complexes can be attributed to the functional groups on the pyridine ring, which are more susceptible to hydrolysis than those on the silica surface. 3-Bromopropyltrimethoxysilane is a substrate for nitrate reductase enzymes, resulting in inhibition of growth at concentrations low enough not to cause cytotoxicity.</p>

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<p>(Chlorodifluoromethyl)trimethylsilane is a chlorinating agent that is used for the transfer of chlorine to organic compounds. The activated chlorides are converted to aldehydes, which are then reacted with terminal alkynes in the presence of sodium carbonate to produce (chlorodifluoromethyl)trimethylsilanes. This reaction produces an organosilicon compound that has been shown to inhibit certain enzymes, such as lipases and proteases. Chlorodifluoromethyl)trimethylsilane also has bioisosteres, or structural analogs, with other halogens. It can be prepared by irradiation of chlorodichloromethane at room temperature in the presence of a catalyst.</p>

<p>Tetrakis(4-fluorophenyl)borate sodium (1:1) is a solid that is soluble in organic solvents. It has been used as an adsorbent for nuclear waste and organic molecules. Tetrakis(4-fluorophenyl)borate sodium (1:1) has been shown to adsorb hydrophobic molecules such as polycyclic aromatic hydrocarbons, which are difficult to remove from the environment. Tetrakis(4-fluorophenyl)borate sodium (1:1) can be prepared by reacting tetraphenylborate with 4-fluoroboric acid. This reaction produces a mixture of products, of which tetrakis(4-fluorophenyl)borate sodium (1:1) is the most common. Tetrakis(4-fluorophenyl)borate sodium (1:1), like other borate salts, is used in zeolites to</p>

<p>N-alpha,epsilon-bis-Z-L-Lysine N-hydroxysuccinimide ester is a methyl ester of the amino acid Lysine. This drug has been shown to have antinociceptive effects in animal models and may be useful for the treatment of inflammatory pain. The active conformation of this drug is dependent on the presence of hydroxybenzimidazole (HOBt). In the absence of HOBt, the compound does not have any activity. Acetylation or amidation may also affect its activity. The reaction with nitric acid yields a nitro derivative, which can be reduced back to the original compound by catalytic hydrogenation using palladium on carbon. A carboxylic acid group at the amino terminus can be converted to an amide or amido group by treatment with an appropriate reagent such as acetonitrile. This drug binds to a catalytic site on</p>

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<p>N-(2-Aminoethyl)-3-(trimethoxysilyl)propylamine (NAP) is a cationic surfactant that is used as a fluorescent probe to study the binding of proteins to cell surface integrin receptors. The adsorption mechanism is based on the interaction between the hydrophobic parts of the protein and the hydrophobic parts of NAP. This interaction leads to an increase in the concentration of NAP at the interface and thus an increase in fluorescence. NAP has been shown to bind human serum albumin, fatty acids, and monoclonal antibodies with high affinity. It also has been shown to bind to plasma proteins through hydrogen bonding. The optimum concentration for NAP adsorption is 1mM.</p>

<p>4-Pyridinylboronic acid is a boron compound that contains two nitrogen atoms. It is an important reagent in organic synthesis and crystallography. 4-Pyridinylboronic acid has been shown to have biological properties, such as hydrogen bonding interactions. It is also used in the suzuki coupling reaction and the photochemical properties of the reaction solution are dependent on its coordination geometry. 4-pyridinylboronic acid has a high pH value, so it must be prepared in anhydrous sodium carbonate before use. The hydrogen bond between 4-pyridinylboronic acid and an azide is shown below: Nnowiki&gt;/nowiki&gt;Hnowiki&gt;/nowiki&gt;nowiki&gt;/nowiki&gt;Nnowiki&gt;/nowiki&gt;nowiki&gt;/nowiki&gt;H</p>

<p>Vinylboronic acid MIDA ester is a boronic ester that can be used as an additive to control weeds. It is a mixture of two diastereomers, with the vinyl group on one end of the molecule and the boron atom on the other. Vinylboronic acid MIDA ester has been shown to be more effective than methoxy for weed control, with yields of up to 100%. The addition of this compound to herbicides increases their activity against weeds, which may be due to its ability to increase the solubility of active ingredients.</p>

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<p>2-Chlorophenylboronic acid is a diphenyl ether that can be used as a building block for the synthesis of benzodiazepine receptor ligands. It has been shown to be an efficient nucleophile, leading to the formation of carbonyl groups in the presence of halides. 2-Chlorophenylboronic acid has also been shown to inhibit p38 kinase activity and may be useful for anticancer therapy.</p>

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<p>1-Pyreneboronic acid is a fluorescent derivative of boronic acid. It has been shown to have synergistic effects with other compounds, such as glucose monitoring. 1-Pyreneboronic acid is used in the preparation of a fluorescent probe for use in dna duplex assays. The fluorescence properties of this compound are affected by the presence of hydroxy groups and benzyl groups, making it useful for protein detection and identification. This compound can be prepared using the suzuki coupling reaction and it has been shown that it has an effect on cell line raw264.7 cells.</p>

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<p>4-Chlorophenylboronic acid is a chemical compound that is used in the industrial preparation of biphenyl. It is produced by the Friedel-Crafts reaction between chlorine and 4-methoxyphenylboronic acid. This reaction can be carried out using a variety of solvents, such as chloroform or carbon tetrachloride. The optimal reaction conditions are acidic pH values, which are achieved by adding sodium carbonate to the solution. The product can be purified by distillation or crystallization. 4-Chlorophenylboronic acid can also be used for the synthesis of organic compounds through cross-coupling reactions with organometallic reagents, such as palladium chloride and triphenylphosphine, or through asymmetric synthesis with chiral ligands like (S)-proline and 2-(diphenylphosphino)ferrocene.</p>

<p>Lithium bis(oxalato)borate (LBBO), also known as Lithiumbis(oxalato)borate, is a lithium salt of the borate ester. The optimum concentration for LBBO is 1-2 mol/L. LBBO is soluble in water and reacts with glycol esters to form lithium glycolates. This reaction is reversible and the equilibrium can be shifted by changing the temperature or pressure. The NMR spectra of LBBO show a peak at 3.3 ppm which corresponds to the carbon atom attached to the carbonyl group, which is indicative of an organic solution.<br>LBBO has been shown to be an electrolyte for lithium ion batteries but it has not been studied extensively because it decomposes at temperatures above 400°C and exhibits poor transport properties, limiting its application in electronic devices.</p>

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<p>3-Pyridineboronic acid is an antimicrobial agent that is used to treat bacterial and fungal infections. 3-Pyridineboronic acid is a prodrug that is metabolized to its active form, pyridinium boronate. This drug has been shown to be effective in the treatment of hypoxic tumors in mice, which are resistant to other anticancer drugs. 3-Pyridineboronic acid also has acidic properties and can be used as an antiseptic for the treatment of skin and eye infections. It can also be used as a hydrogen bonding partner when combined with halides, such as chloride or bromide ions. The drug binds to human serum proteins and forms an acidic complex that prevents bacterial growth by inhibiting protein synthesis. 3-Pyridineboronic acid also inhibits prostate cancer cells by competitively inhibiting the enzyme 4-pyridinylboronic acid reductase (4PBAR).</p>

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<p>Diisopropylsilyl bis(trifluoromethanesulfonate) is a bifunctional reagent that can be used to prepare the trifluoromethanesulfonic acid. It reacts with an alcohol in the presence of base to generate an ester, and then hydrolyzes the ester in the presence of water to generate the desired acid. Diisopropylsilyl bis(trifluoromethanesulfonate) is pale yellow and soluble in argon, nitrogen, and solvents such as ethyl acetate.</p>