Hétérocycles soufrés (S)

2-Isobutylthiophene is a pyridine derivative that has been shown to have neuroprotective and antioxidant properties. 2-Isobutylthiophene was extracted from the bark of the tree with the same name. It has also been found to be a potent inhibitor of angiotensin converting enzyme (ACE) and possesses anti-inflammatory activity. In addition, 2-isobutylthiophene is thought to be a nootropic agent and may protect neurons in the brain by inhibiting the production of amyloid beta peptide. 2-Isobutylthiophene has been shown to inhibit parkinsonian symptoms induced by MPTP in mice.

5-Methylthiophene-2-carboxaldehyde is a dihedral molecule that has two isomers. The active methylene group is coordinated with the metal ion and the carbon disulphide molecules, forming a trigonal bipyramidal geometry. The reaction products of 5-methylthiophene-2-carboxaldehyde are thrombin inhibitors, which inhibit the process of blood clotting by preventing the conversion of fibrinogen to fibrin. 5-Methylthiophene-2-carboxaldehyde also reacts with bases to form salts, such as potassium phosphate, which can be used for biological studies. This compound has been shown to have anticancer activity due to its ability to inhibit DNA replication in cancer cells.

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2,5-Diphenylthiophene is a fluorescent dye that has been used to study the transport properties of aromatic molecules. This compound is characterized by two phenyl groups and a thiophene ring with a sulfur atom in the 2 position. The red shift observed for this compound is due to the electron withdrawing effect of the sulfur atom. 2,5-Diphenylthiophene has shown inhibition activity against Nepeta cataria, which may be due to its ability to form sulfoxide bonds with proteins. It has also been found that this molecule can polymerize and form polymers in solution. This property is related to its morphology, which is irregular and rod-like in shape.

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Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate is a chemical compound with anesthetic properties. It has been shown to be a potent inhibitor of the enzyme dihydropyrimidine dehydrogenase (DPD). This inhibition leads to an accumulation of toxic levels of the intermediate, 4,5-dihydroorotic acid, and inhibits xanthine oxidase. This effect causes the release of uric acid from the body and results in an increase in blood uric acid levels. Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate also inhibits ligand binding to its receptors and has shown to be a ligand for some metal ions. The compound is used in x-ray diffraction studies for its ability to scatter x rays and produce patterns that can be analyzed.

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2-Aminothiophene-3-carboxamide is an organic solvent that inhibits acetylcholine production in the body. It has been shown to inhibit the growth of cancer cells and can be used as a prognostic factor for cancer. 2-Aminothiophene-3-carboxamide is synthesized from 3,5-diaminotoluene and 2-aminothiophene, which are both organic solvents. This drug also acts as an allosteric modulator at the adenosine A1 receptor, which is involved in the regulation of cellular chloride levels. 2-Aminothiophene-3-carboxamide has been shown to have synergistic effects with other drugs such as influenza or carcinoma cell lines.

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5-Chloro-2-thiopheneboronic acid is a chemical reagent that belongs to the group of inorganic alkalis. It has been used as an inhibitor for the Suzuki reaction, which is a type of chemical reaction between an organoboron compound and an organic halide. 5-Chloro-2-thiopheneboronic acid has been shown to be an effective catalyst for the formation of pinacol from benzene and acetone. It also has pharmaceutical applications in pharmaceutical synthesis and cyclization reactions.

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Intermediate in the synthesis of brexpiprazole

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Ethyl 1,3-dithiolane-2-carboxylate is a chiral carbonyl compound that has been used as an intermediate in the synthesis of a variety of organic compounds. The asymmetric synthesis of this compound has been achieved using a desulfurization mediated by tertiary amines and catalytic amounts of copper salts. It has shown receptor activity against aldehydes and anions. This compound also reacts with enolates to form thioacetals, which can be further reacted to give chiral products.

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Ethyl 5-acetyl-2-amino-4-methylthiophene-3-carboxylate is an anticancer drug that belongs to the class of compounds called nucleoside analogues. It is a prodrug that is converted in the body to 5-ethoxycarbonyl-[2,4′-(ethylenedioxy)dithiophen-3′yl]-2′,5′-(methylenedioxy)dithiophene. This drug has been shown to have anticancer activity against epidermoid carcinoma cells and may be used for the treatment of this type of cancer. The mechanism by which Ethyl 5-acetyl-2-amino-4-methylthiophene-3-carboxylate exerts its anticancer effect remains unknown.

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2,2'-Bithiophene-5-carboxaldehyde is a natural product that has been found to have anti-inflammatory activity. It has been shown to inhibit the production of platelet-activating factor (PAF) and nitric oxide (NO) from LPS-stimulated human platelets. This compound also inhibits the production of PAF in a cell line stimulated with thiophenes and shows significant anti-inflammatory activity when it is exposed to radiation or nitrite. 2,2'-Bithiophene-5-carboxaldehyde forms an orthorhombic crystal structure with a melting point at 115 °C.

Ethyl 2-amino-5-phenylthiophene-3-carboxylate is a medicinal compound that has shown to be an adenosine agonist. It binds to the A1 adenosine receptor, which is found on vascular smooth muscle cells and plays a role in mediating vasoconstriction. Ethyl 2-amino-5-phenylthiophene-3-carboxylate may be used for the treatment of hypertension by blocking the binding of adenosine to its receptors. This molecule also has shown to have antioxidant properties, which may be due to its ability to inhibit peroxidation of membranes. Ethyl 2-amino-5-phenylthiophene-3-carboxylate has been synthesized from cyanoacetates and thiophenes in a ternary complex with adenosine as an intermediate. This complex was used in medicinal chemistry assays that revealed that ethyl 2 amino 5

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3-Amino-4-methylthiophene-2-carboxylic acid is a synthetic compound that belongs to the class of organic solvents. It is a crystalline solid with a melting point of 189 degrees Celsius. This compound has been shown to have anticoagulant properties, and can be used as an alternative to heparin. 3-Amino-4-methylthiophene-2-carboxylic acid has been shown to be hydrophilic, and can be used in pharmaceutical formulations that require water solubility or hydrophilicity. Optimization studies are required for this compound before it can be considered for use in clinical trials.

4-Methylthiophenylacetic acid is a photochemical reaction product of benzaldehyde and carbon disulfide. It can be synthesized by irradiating the corresponding benzyl ester with UV light in acetonitrile. The yield of 4-methylthiophenylacetic acid is dependent on the concentration of benzaldehyde, the concentration of carbon disulfide, the intensity of irradiation, and the time for which it is irradiated. This compound has been used to study reactions between thiols and carboxylic acids. The functional theory predicts that these reactions will have an electron transfer from carbon to sulfur during bond cleavage. Transients observed during this study confirmed that this was true for 4-methylthiophenylacetic acid and other related compounds.

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Dibenzo[b,d]thiophen-2-ylboronic acid is a boron compound that has been synthesized as a fluorescent probe for UV/Vis photophysical experiments. It is used in optimization and functional theory studies of fluorescence and emissions, as well as electrochemical methods to study the efficiency of devices. Dibenzo[b,d]thiophen-2-ylboronic acid is an organic molecule with two isomers. The two isomers can be distinguished by introducing either a CH3 or a NH2 group, which alters the molecule’s conformation and activates it for solar cell applications.

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5-Methylthiophene-3-carbohydrazide is a white powder that is soluble in water and ethanol. It is used as a reagent for organic synthesis, especially for the production of heterocycles. The chemical name for 5-methylthiophene-3-carbohydrazide is methyl 3-(aminocarbonyl)-5-methylthiophenecarboxylate. It has a molecular weight of 160.06 grams per mole and a melting point of 35°C. It reacts with acid to form an N-methylthiophthalimide, which can then be reacted with various amines to produce diverse products. This compound is also used as a building block in the synthesis of complex molecules such as pharmaceuticals, agrochemicals, or fragrances.

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Thiophene-3-carboxaldehyde is an electron-rich, reactive chemical substance that can be used as a polymer film. It is a heterocyclic compound with a thiophene ring and a carbonyl group in the 3-position. Thiophene-3-carboxaldehyde is synthesized by reacting methyl ketones with glycol ethers. This reaction produces redox potential, malonic acid, and nmr spectra.

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2,6-Diiodo-dithieno[3,2-b;2',3'-d]thiophene is a thiophene that has been crystallized and studied by x-ray crystallography. The molecule has a cyclic structure with two rings and three double bonds. This compound is soluble in organic solvents such as chloroform or benzene, but not in water. The voltammetric measurements of 2,6-diiodo-dithieno[3,2-b;2',3'-d]thiophene have shown that it undergoes reversible one electron oxidation and reduction reactions. It also has been found to be an efficient hole transport material for pentacene devices.

2-Thiophenecarboxaldehyde is a synthetic compound that has been shown to have in vitro antifungal activity. It has also been shown to inhibit the growth of bacteria and fungi, such as Candida albicans. The antimicrobial activity of 2-thiophenecarboxaldehyde has been demonstrated by in vitro studies using human serum, metal carbonyl complexes, and sodium salts. In addition, this compound inhibits the synthesis of proteins in animal cells infected with viruses or bacteria. It also has amoebicidal activity against Entamoeba histolytica and Leishmania donovani. This compound is used for the treatment of autoimmune diseases such as rheumatoid arthritis and multiple sclerosis.

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4-Bromo-2-chlorothiophene is a cyclic compound that contains a bromide ion. The mechanism of the cyclization can be explained by the formation of an unstable carbanion at the carbon atom adjacent to the chlorine atom. This reactive intermediate is stabilized by conjugation with the tetramethylammonium cation, which reacts with the chloride ion to form a new cation. The reaction between this cation and another molecule of 4-bromo-2-chlorothiophene leads to formation of an adduct in which two molecules are bridged together by an oxygen atom. In perchlorate electrolysis, 4-bromo-2-chlorothiophene forms one product, 2-bromothiophene. In electrochemical investigations, 4-bromo-2-chlorothiophene undergoes cyclic voltammetry reactions, yielding voltammograms with peaks at -0.4 V (vs Ag

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