Cétones

Vanillylideneacetone (VDA) is a natural compound that belongs to the class of phenylethanoids. It has been shown to have anti-inflammatory properties, which may be due to inhibition of prostaglandin synthesis. VDA also exhibits antimicrobial activity against Gram-positive and Gram-negative bacteria, as well as some fungi and yeast. In vitro antifungal activity has been observed in human serum, cell lysis with the presence of trypsin, and cytotoxicity in carcinoma cell lines. Toxicological studies have shown no adverse effects on locomotor activity or carcinogenicity at high doses.

<p>3-Butyl-2,4-pentanedione is a chemical compound that belongs to the class of alkylating agents. 3-Butyl-2,4-pentanedione is an intermediate in the production of polymers and other chemicals. It is used as a solvent for coatings, adhesives, and rubber products. The molecule has two substructures: an alkyl group and a double bond between carbon atoms 2 and 4. This double bond allows 3-butyl-2,4-pentanedione to react with other molecules to form new structures. 3-Butyl-2,4-pentanedione can be used in solar cells because it absorbs light from the sun and converts it into energy through photovoltaic reactions.</p>

1,5-Bis(4-hydroxyphenyl)pentane-1,5-dione is a fine chemical that can be used as an intermediate in the synthesis of other compounds. It is also a useful building block for the synthesis of complex compounds. This compound can be used as a reagent for research purposes or as a reaction component in the synthesis of speciality chemicals. 1,5-Bis(4-hydroxyphenyl)pentane-1,5-dione has been shown to have high purity and quality.

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1,2,4-Dithiazolidine-3,5-dione is a disulfide bond compound that contains a nucleophilic cysteine residue. It is oxidized to the corresponding sulfoxide or sulfone by reaction with hydrochloric acid. 1,2,4-Dithiazolidine-3,5-dione has been shown to react with amines to form adducts. The nucleophilic attack of the sulfur atom on the carbonyl carbon generates an intermediate thioketal and leaves the original disulfide intact. The nucleophilic attack leads to a number of possible products including dithioesters and dithioimidates. Both these products are stable in water and can be used in organic synthesis reactions such as DNA duplex formation.

3-Amino-4-methylpentan-2-one hydrochloride is a versatile building block that is used for the synthesis of high quality research chemicals, useful scaffolds, and speciality chemicals. It is also used as a reagent in organic syntheses. This chemical has a wide range of uses and is a fine chemical that can be used as an intermediate or reaction component. 3-Amino-4-methylpentan-2-one hydrochloride can be reacted with other compounds to form complex molecules that have many different applications.

<p>3-Thioxo-1,2,4-triazin-5-one is a chemical compound that has been shown to inhibit the growth rate of various bacteria. It inhibits the enzyme hydroxyproline hydroxylase in plants and fungi. The tautomeric form of 3-thioxo-1,2,4-triazin-5-one is found in triticum aestivum (wheat) and glyoxylate. In the presence of thiosemicarbazide or carbazone this compound undergoes a base catalyzed cyclization reaction that leads to the formation of orotic acid. 3-Thioxo-1,2,4-triazin-5-one also inhibits viral replication by blocking the synthesis of nucleobases and can be used as an antiviral agent against herpes virus.</p>

<p>2-Nitrophenylacetone is a polycyclic compound with an alkyl group, phenyl group, and a diterpenoid substituent. It is acylated with an acetate group on the 2-nitrophenyl group. The skeleton of this molecule contains a ketone (C=O) framework. The hydrogen atom in the molecule constitutes its chemistry. This molecule has been expressed in E. coli and purified to homogeneity. It constitutes the first example of a ketone containing framework for which biomolecular chemistry has been studied.</p>

<p>5-Methylcyclohexane-1,3-dione is a dione that is synthesized by the reaction of glyoxal with α-pinene. It has two functional groups and three chiral centers. This compound can be activated by azides and undergoes alkylation reactions with aldehydes to form pinonic acid derivatives. 5-Methylcyclohexane-1,3-dione also undergoes thermal isomerization to form azides and dioxime derivatives.</p>

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2-Acetamido-6-formylpteridin-4-one is a reductive amination product of folic acid. It is a stable compound and has been shown to be useful in the treatment of human diseases such as cancer, Alzheimer's disease, and Parkinson's disease. The reductive amination reaction produces formyl groups that can be acetylated or alkylated to produce stable compounds with different properties. This compound also reacts with glutamic acid to produce an amide.

<p>Cyclohexyl ethyl ketone is a hydroxyketone that is used in the asymmetric synthesis of methyl ketones. Cyclohexyl ethyl ketone can be synthesized by the reaction of cyclohexane, ethylene oxide, and hydrochloric acid. The reaction is catalyzed by a hydrogen chloride (HCl) or an alkylthio group. Cyclohexyl ethyl ketone has been shown to have insulin-resistance properties in mammalian cells. It also has congestive heart properties due to its ability to inhibit β-unsaturated ketones.</p>

2-Bromophenylacetone is a reagent that is used to synthesize sulfonamides. It can be prepared by the reaction of phenylacetic acid with bromine in the presence of sodium hydroxide. The product can then be treated with sulfuric acid and hydrochloric acid to give 2-bromophenylacetone. This compound has been shown to have bacteriostatic activity against Gram-positive bacteria, as well as being an efficient method for synthesizing thiosemicarbazide.

<p>[4-(2-Aminoethoxy)phenyl](phenyl)methanone HCl is a fine chemical that belongs to the group of versatile building blocks. It can be used as a reagent, speciality chemical, useful building block, high quality research chemical, or useful intermediate. The CAS registry number is 1185504-45-3.</p>

<p>5b-Pregnan-3a-ol-20-one is a natural product that belongs to the group of steroids. It has been shown to inhibit the polymerase chain reaction in animals. The drug also inhibits pain and has been shown to be effective in models of epilepsy. 5b-Pregnan-3a-ol-20-one binds to DNA, preventing transcription and replication. It also stabilizes the surface of cells, which may be important for its uptake by cells. This compound interacts with Tlr4, which may activate immune cells and lead to seizures. 5b-Pregnan-3a-ol-20-one is oxidized by cytochrome P450 enzymes, leading to the production of hydrogen peroxide and formation of a carbonyl group on the molecule.</p>

<p>2H-1,4-Benzoxazine-2,3(4H)-dione is an organic compound that has a catalytic lactonization reaction. It has been used to form acyl groups from carboxylic acids and amides from alcohols in the presence of an acid catalyst. The cyclic lactam formed can be hydrolyzed to a linear amide by heating with water. 2H-1,4-Benzoxazine-2,3(4H)-dione is also used in the hydrogenation of nitro compounds and haloalkanes. This compound can be prepared by refluxing isatin with hydroxamic acid or solvents such as methylene chloride. This compound also undergoes hydroxamic acid reactions to form hydroxamic acids.</p>

<p>2-Methoxyphenyl)acetone oxime is a versatile building block that can be used in the synthesis of complex compounds. It is a colourless crystalline solid with a melting point of 138°C and a boiling point of 188°C. This compound has been assigned CAS No. 43021-97-2 and is soluble in water, ethanol, acetone, benzene, chloroform, ether and ethyl acetate. The chemical structure for this compound is shown below:</p>

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Naloxone hydrochloride dihydrate is a drug that blocks the effects of opioids. It is administered by injection and has a short half-life. Naloxone hydrochloride dihydrate binds to opioid receptors in the central nervous system, which prevents binding by other opioids. This results in an increased metabolic rate, which can be used as a marker for effectiveness of treatment. Naloxone hydrochloride dihydrate has been shown to have an inhibitory effect on monoamine neurotransmitters, including dopamine, serotonin and norepinephrine. The use of this drug should be limited to outpatients because it produces less physical dependence than other opioids. Naloxone hydrochloride dihydrate can also be used as a sample preparation agent for urine samples or as an effective dose for pharmaceutical preparations.END>

<p>2-Methylphenylacetone (2MP) is a cocatalyst that is used in cross-coupling reactions. It has been shown to be an effective methyl donor and titanium oxide activator. 2MP is also used in the dehydrogenative coupling of acetone and toluene, which leads to the formation of aliphatic products with nature and mechanisms of reactivity similar to those observed in benzene.</p>

<p>5-Methoxy-2,3-Dihydro-Isoindol-1-One is a chemical compound that can be used as a building block in organic synthesis. It is an intermediate in the synthesis of various pharmaceuticals and other organic compounds. 5-Methoxy-2,3-Dihydro-Isoindol-1-One is soluble in ethanol, methanol, diethyl ether, chloroform, and benzene. This chemical has been classified as being safe for human use by the FDA.</p>

<p>Flavanone diacetyl hydrazone is a hydrogenated flavonoid derivative, which is synthesized from natural flavonoid sources. This compound exhibits its mode of action primarily through its ability to donate hydrogen atoms, effectively scavenging free radicals and inhibiting oxidative stress. Furthermore, it interacts with various cellular pathways to exert anti-inflammatory effects, making it a potential therapeutic agent in oxidative stress-related disorders.</p>