Hétérocycles oxygénés (O)

<p>5-Ethoxy-2(5H)-furanone is an oxidation product of 5-ethoxy-2(5H)-furanone. It has an isomeric, stereospecific, regiospecifically, and a tautomeric relationship with furfural. 5-Ethoxy-2(5H)-furanone can be produced by the oxidation of furfural with boron trifluoride etherate in the presence of iodosobenzene. The reaction mechanism involves the addition of hydrogen peroxide to the boron trifluoride etherate to form hydroperoxydiborane. This compound then reacts with iodosobenzene to produce 5-ethoxy-2(5H)-furanone and 2,5-dihydroxybenzaldehyde. The reaction produces a mixture of diastereomers that contain different numbers of carbon atoms due to the regiospecific</p>

<p>Ethyl 3-aminobenzofuran-2-carboxylate is a decarboxylated pyridine derivative that has been shown to react with an aldoxime to form an unsymmetrical aldehyde. This reaction is catalyzed by acid and alkaline hydrolysis. It is also able to form benzothiophenes and benzofurans through the same reaction. Ethyl 3-aminobenzofuran-2-carboxylate can be used in the synthesis of many other organic compounds, including phenacyl, carboxylic acids, pyridines, and aryl halides.</p>

<p>5-Hydroxymethylfurfural (5-hmf) is a naturally occurring furan derivative that can be found in many plants such as wheat and sorghum. It is an important chemical intermediate in the production of biofuels, polymers, and pharmaceuticals. 2,5-Diformylfuran has been shown to be a promising catalyst for the oxidation of 5-hydroxymethylfurfural. The reaction mechanism is not yet fully understood. The reaction solution becomes yellow when it reacts with oxygen gas. It is possible that 2,5-diformylfuran oxidizes 5-hmf to produce formaldehyde with the help of a redox potential or catalytic activity.</p>

<p>2,5-Bis(aminomethyl)tetrahydrofuran is a polymerization catalyst for polyethylene terephthalate that has been shown to be effective at low temperatures. It is not active at high temperatures and is stable in acidic and neutral media. 2,5-Bis(aminomethyl)tetrahydrofuran can be used as an electrochemical catalyst for the conversion of 5-hydroxymethylfurfural (HMF) to formic acid. This reaction has been shown to have a high turnover frequency and to be sustainable because it does not require fossil fuels or heavy metals as reactants. The parameters of this reaction are still being investigated, including the effect of oxidant on the rate of catalysis.</p>

<p>5-Acetoxymethyl-2-furancarboxylic acid is a natural product of the fungi. It has potent anti-fungal activity against a number of endophytic fungi, including those from marine sponges. 5-Acetoxymethyl-2-furancarboxylic acid has been shown to inhibit the growth of bacteria that are resistant to penicillin, ampicillin, and erythromycin. The bioactive compound also inhibits the growth of leukemia cells and is used as an anti-infective agent in the treatment of infections caused by staphylococcus. The active form binds to bacterial 16S ribosomal RNA and inhibits protein synthesis, leading to cell death by inhibiting the production of proteins vital for cell division.</p>

<p>2,2-Dimethyl-5-(1-methylprop-1-enyl)tetrahydrofuran is a compound that is used in coatings and foodstuff. It has synergistic effects when combined with other compounds such as citric acid, hydrogen peroxide, or terpineol.</p>

<p>2,3-Dihydrobenzo[b]furan is the chemical compound with formula C6H5CH2OH. It is a colorless liquid with a camphoraceous odor. 2,3-Dihydrobenzo[b]furan reacts with an acidic solution to produce a white crystalline solid. The hydroxyl group on the benzene ring forms hydrogen bonds with the 5-hydroxytryptamine (5-HT) receptor in the brain, which leads to changes in kinetic energy and acetylcholinesterase inhibition. The asymmetric synthesis of 2,3-dihydrobenzo[b]furan has been achieved by using chiral acid catalysts. This process optimization study has shown significant cytotoxicity and receptor binding for 2,3-dihydrobenzo[b]furan at physiological concentrations. In addition, this compound has been found to have biological activities such as cell culture and</p>

<p>Dantrolene is an experimental model for malignant hyperthermia, a rare genetic condition that can cause muscle rigidity and death. Dantrolene has been shown to inhibit the activity of the dinucleotide phosphate (NADH) dehydrogenase enzyme in muscle cells. In addition, it inhibits calcium release from the sarcoplasmic reticulum and activates ryanodine receptors. Dantrolene also inhibits muscle contractions and prevents neuronal death by inhibiting the release of glutamate.</p>

<p>2,5-Dihydro-2,5-dimethoxy-2-dimethoxymethylfuran is a chemical compound that belongs to the group of reagents. It is used as a reaction component in organic synthesis and has been shown to be a useful scaffold for the development of new compounds. 2,5-Dihydro-2,5-dimethoxy-2-dimethoxymethylfuran is also a versatile building block for complex compounds and fine chemicals.</p>

<p>Please enquire for more information about 3-[[3-[(Dimethylamino)carbonyl]-2-hydroxyphenyl]amino]-4-[[(R)-1-(4-isopropylfuran-2-yl)propyl]amino]cyclobut-3-ene-1,2-dione including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Methyl tetrahydro-2,5-dimethoxy-2-furancarboxylate is a sterically bulky molecule with a nitrogen atom in the ortho position. It has been used for the synthesis of various heterocyclic compounds. The steric bulk of methyl tetrahydro-2,5-dimethoxy-2-furancarboxylate prevents it from being substituted easily. This can be demonstrated by the refluxing of methyl tetrahydro-2,5-dimethoxy-2-furancarboxylate in benzene. The steric bulk also causes electron density to be distributed around methyl tetrahydro-2,5-dimethoxy-2-furancarboxylate, which creates a conjugated system.</p>

<p>2-Acetyl-7-methoxybenzofuran is an antibacterial agent that has potent inhibitory activity against methicillin-resistant Staphylococcus aureus and other bacterial species. It also inhibits the growth of endophytic fungus in plants. 2-Acetyl-7-methoxybenzofuran is synthesized by the fungus Cereus, which is used in traditional medicine to treat various ailments. This compound binds to the 16S ribosomal RNA, which inhibits protein synthesis and cell division. 2-Acetyl-7-methoxybenzofuran also shows potent inhibitory activity against methicillin-resistant Staphylococcus aureus, as well as other bacterial species. This antibiotic binds to the 16S ribosomal RNA, inhibiting protein synthesis and cell division.</p>

<p>M02322 - Parthenolide</p>

<p>M02705 - 5-Bromo-3-indolyl-b-D-galactopyranoside</p>

<p>Please enquire for more information about methyl 5-(((4-chlorophenyl)sulfonyl)methyl)furan-2-carboxylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Methyl 5-(((4-(tert-butyl)phenyl)sulfonyl)methyl)furan-2-carboxylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about methyl 5-(((4-bromophenyl)sulfonyl)methyl)furan-2-carboxylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Methyl 5-(((4-methylphenyl)sulfonyl)methyl)furan-2-carboxylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone is a colorless liquid that has a fruity, sweet odor. It is used in the manufacture of flavors and fragrances. 5-Ethyl-4-hydroxy-2-methyl-3(2H)-furanone can be obtained by the reaction of butanedione with dilute sulfuric acid, followed by treatment with an absorber containing propylene glycol and 4-ethyl-2methoxyphenol. The product is then treated with radiation energy to produce furfural, which reacts with anthranilate to form methyl anthranilate. Methyl anthranilate can be converted into phenylmethyl by reacting it with glycosidase.</p>