Hétérocycles soufrés (S)

N-tert-Butyl-2-thiophenesulfonamide is an organic chemical compound that is used as a deprotection reagent in organic synthesis. It reacts with methoxy groups to form tert-butyl dianions, which can be tracked by following the lithium diisopropylamide (LDA) equilibration and subsequent reaction with thiophene. The product of this reaction can be isolated by removing the solvent under vacuum, yielding a trackable solution. N-tert-Butyl-2-thiophenesulfonamide can also be used to synthesize carbanions.

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3-Aminothiophene Oxalate is a formaldehyde derivative that is used in the synthesis of cromakalim. It is a structural analog of the natural amino acid lysine and has been shown to inhibit the activity of diazoxide, an activator of ATP-sensitive potassium channels. 3-Aminothiophene Oxalate binds to chloride ions, forming a complex that has been shown to be activated by sodium bicarbonate. This complex can be used as a potential drug candidate for treating pancreatic cancer. The functional groups in this compound are: aminothiophene and oxalate.

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(3,4-Dibromothiophene-2,5-diyl)bis(trimethylsilane) is a perfluorinated benzothiophene that binds to selenophenes through carbon-fluorine bonds. This compound has been shown to have good thermal stability and low volatility. It is a fluorinated analogue of the thiophenes, which are well known for their electron withdrawing properties. The 2,5-dibromo group in the molecule provides good solubility in organic solvents and enables this compound to be used as an intermediate for other compounds.

3-Thiopheneethanol is a synthetic polymer that can be used as an insoluble polymer. It has been shown to undergo chemical reactions with hydroxy groups, which form a polymer film. The untreated control group did not show any change in the film thickness, but the electrochemical methods group showed a significant increase in the film thickness. 3-Thiopheneethanol may have potential applications in medical devices and sensors. The detection time of 3-thiopheneethanol was found to be longer than that of other polymers, such as polystyrene sulfonic acid (PSSA).

4-Fluoro-2-thiophenecarboxylic acid is a monofluorinated, fluorinated compound that can be used as a model for the synthesis of polymers. It has also been shown to be an acceptor in organic chemistry, and difluorinated derivatives have been found to be particularly useful in the synthesis of conjugated polymers. The synthetic approach is a stepwise one, with the fluorination of 4-fluoro-2-thiophenecarboxylic acid being the first step. This compound has also been used as a photoactive material for optoelectronic devices and displays.

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3,3'-Bithiophene is a functional theory analog of thiophene. It can be synthesized in a stereogenic fashion by allylation of styrene with allyl bromide and ethyl diazoacetate in the presence of a chiral organocatalyst. 3,3'-Bithiophene is used as an intermediate for the synthesis of other compounds. The molecule has been observed to have vibrational and optical properties that are mediated by the three-dimensional structure. The asymmetric synthesis route also allows for the production of enantiomerically pure 3,3'-bithiophene, which can be useful for stereochemical studies.

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Applications DIBENZOTHIOPHENE 5-OXIDE (cas# 1013-23-6) is a useful research chemical.

(2E)-2-[Hydroxy-[[(E)-2-Phenyl-2-Thiophen-2-Ylethenyl]Amino]Methylidene]-5-(Trifluoromethyl)-1-Benzothiophen-3-One is an inhibitor of the 5HT4 receptor. It has been shown to be effective in animal models of inflammatory diseases, such as chronic lymphocytic leukemia and leukotriene receptor antagonists. This drug has also been shown to have a clinically significant inhibitory effect on the production of aminotransferases (e.g., aspartate aminotransferase, alanine aminotransferase), which are involved in liver metabolism. In addition, this drug has been shown to inhibit the growth factor erythropoietin and other cytokines implicated in autoimmune diseases and nonsteroidal anti-inflammatory drugs. The compound has also been used for

2-Bromo-3-hexyl-5-iodothiophene is a monomer that can be used in the production of polymers. The chemical has been stabilized with copper chip, which ensures its stability and prevents polymerization. This product is soluble in hydrochloric acid, but insoluble in water. It has a molecular weight of 230 g/mol and a melting point of -10°C. 2-Bromo-3-hexyl-5-iodothiophene is an aromatic compound that absorbs light strongly in the visible region and has a yellowish colour. It can be synthesized by reacting iodine with 3,5-di(bromomethyl)thiophene. The reaction intermediates are chlorides and bromides.

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