Organosilicon Compounds

S15190 - Tetraallyl silane

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4-Borono-L-phenylalanine is a boron-containing compound that has been used to study the biological effects of radiation. 4-Borono-L-phenylalanine is an analytical tool for measuring neutron scattering and other physical properties. It has also been used as a biochemical probe in studies of DNA duplexes. 4-Borono-L-phenylalanine is toxic to cells, inhibiting protein synthesis, and it can induce apoptosis in tumor cells. In experimental models, 4-borono-L phenylalanine can be administered orally or intravenously and has shown acute toxicity in animals at doses of up to 1000 mg/kg body weight.

Bis(trimethylsilyl)methylamine is a reactive alkylating agent that can be used to prepare amines, terminal alkynes and synthons. Bis(trimethylsilyl)methylamine is produced by the reaction of trimethylsilyl chloride with methylamine or ammonia. It reacts with a wide variety of organic and inorganic substrates, including aromatic compounds, ketones, alcohols, esters, amides and nitriles. Bis(trimethylsilyl)methylamine has been shown to be stereoselective when reacting with protonated amino acid derivatives. The addition of an electron-withdrawing substituent on the silyl group results in a more selective reaction at the alpha position (1). Preparative methods for bis(trimethylsilyl)methylamine include using argon as a solvent and cyanide as an oxidant.

4-Flouro-5-isopropyl-2-methoxyphenyl)boronic acid is a chemical reagent that is used in organic synthesis. It has been shown to have high selectivity for coupling reactions. This compound can be used for the synthesis of 4-fluoroanilines, which are common industrial chemicals. 4-Flouro-5-isopropyl-2-methoxyphenyl)boronic acid also has been shown to catalyze the iodination of aromatic compounds. The compound can be synthesized by hydrolysis of 4-(difluoromethoxy)phenylboronic acid with sodium hydroxide and water or lithium chloride and water. This reagent is used in organic synthesis as a replacement for potassium tert butoxide, which is less selective and more expensive.

S00985 - Benzyloxytrimethylsilane

Applications (3-Aminopropyl)trimethoxysilane is used in the synthesis of aspirin imprinted polymer on silica gel surface and appreciation on drug sustained release. Fluorine-doped; lectin functionalized ZnO nanoarrays as 3D nano-biointerface for bacterial detection. References Lu, P., et al.: Gaofenzi Cailiao Kexue Yu Gongcheng, 33, 130 (2017); Zheng, L., Talanta, 167, 600 (2017)

Applications methyl 4-(bromomethyl)-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (cas# 1626407-50-8) is a useful research chemical.

S25343 - Potassium methylsiliconate, 45%-55% in water

Phenyl[2-(trimethylsilyl)phenyl]iodonium Trifluoromethanesulfonate is a heterocyclic compound that is a pyrazole derivative. It is a hypervalent organometallic compound, which means it has the capacity to form bonds with more than one atom at the same time. Phenyl[2-(trimethylsilyl)phenyl]iodonium Trifluoromethanesulfonate has been shown to be an effective catalyst for refluxing reactions in organic synthesis. This heterocycle undergoes substitution reactions with halogen compounds and can also be used as an intermediate in the synthesis of other organic compounds, such as anthracene.

2,3,4-Trimethoxyphenylboronic acid is a boronic acid that is used in the synthesis of podophyllotoxin. It has been shown to inhibit the growth of MCF-7 cells by blocking fatty acid metabolism and the production of cytotoxic compounds. 2,3,4-Trimethoxyphenylboronic acid has also been shown to have significant antiproliferative activity and inhibitory effect on mammalian cells. This compound is synthesized from an alkene and a carboxylic acid. The tautomers of this molecule are significant for its biological activity because it can be oxidized or reduced at different points on the molecule.