Ácidos Benzóicos

3,4-Dihydroxy-5-methoxybenzoic acid is a natural phenolic compound found in many plants. It has been shown to inhibit the growth of cancer cells and can be used as a chemopreventive agent for cancer treatment. 3,4-Dihydroxy-5-methoxybenzoic acid is metabolized by the liver into 3,4-dihydroxyphenylacetic acid (3,4-DHPA), which is excreted in urine and feces. The bioavailability of 3,4-Dihydroxy-5-methoxybenzoic acid is low due to its low solubility in water and high reactivity with proteins.

4-Methyl-3-nitrobenzoic acid is a hydroxide solution that has been shown to be cytotoxic to malignant melanoma cells in vitro. 4-Methyl-3-nitrobenzoic acid also inhibits the growth of normal cells by blocking epidermal growth factor receptor signaling. This molecule is converted to hippuric acid, which may have an anti-cancer effect by inhibiting metal ion uptake and causing DNA damage. There are no known adverse effects or interactions with other drugs.

<p>3,4-Dimethoxybenzoic acid anhydride is a synthetic compound that can be used for the synthesis of other natural products. It has been shown to inhibit the demethylation of flavones and to activate the mitogen-activated protein kinase (MAPK) pathway in cells. 3,4-Dimethoxybenzoic acid anhydride has also been shown to have anti-inflammatory effects by inhibiting prostaglandin synthesis.</p>

2-Iodo-5-nitrobenzoic acid is a reactive molecule that reacts with terminal alkynes to form a fluorescent compound. It was immobilized on an electrode and used as a probe in voltammetry studies. 2-Iodo-5-nitrobenzoic acid is also used as a reagent in the synthesis of amides, which are important in many biochemical reactions. The use of this compound may be limited by the toxicity to cells, which can be increased through the presence of cisplatin or 3-aminobenzoic acid. The microenvironment around cancer cells may also alter the reactivity of 2-iodo-5-nitrobenzoic acid.

<p>2,5-Difluoro-3-methylbenzoic acid methyl ester is a high quality, complex compound that can be used as a versatile building block in synthesis. It acts as a reagent and can be used as a research chemical. 2,5-Difluoro-3-methylbenzoic acid methyl ester is an intermediate in the production of other chemicals and can also be used as a reaction component or useful scaffold.</p>

<p>Organic anion transporter inhibitor; pannexin 1 channel inhibitor</p>

2,6-Dihydroxy-4-methylbenzoic acid is a phenolic compound that has been shown to have significant cytotoxicity against cancer cells and may be used in the treatment of various cancers. It is also an endophytic fungus that has been found to produce significant desorption of chloride ions from soil. This compound can also be synthesized by reacting 2,6-dihydroxyphenylacetic acid with methyl iodide or methyl bromide. The reaction system for this synthesis includes concentrated hydrochloric acid, zinc dust, and ethyl acetate. The reaction solution was crystallized in the form of a white solid and the crystals were analyzed by X-ray crystallography to determine their structure. Photocatalytic activity was observed when using 2,6-dihydroxy-4-methylbenzoic acid as an electron donor in a reaction system containing titanium dioxide and hydrogen peroxide as an electron acceptor.

<p>Ethyl 4-nitrobenzoate is a compound that is used to synthesize other drugs, such as erythromycin. It is also an intermediate in the synthesis of some pesticides and dyes. The second-order rate constant for the reaction of ethyl 4-nitrobenzoate with phosphotungstic acid has been measured at 0.058/min at 25°C. This reaction is catalyzed by recombinant cytochrome P450 (P450) enzymes from human liver preparations and cationic surfactants such as nitrobenzene or sodium carbonate, which are known to form hydrogen bonds with the protonated nitrogen atom on the aromatic ring of ethyl 4-nitrobenzoate. Ethyl 4-nitrobenzoate is also used clinically to treat gastric ulcers, although it can be toxic if taken in large doses or over a long period of time.</p>

<p>Phenyl 4-aminobenzoate is an amide that can be polymerized to form a polymer. It is synthesised from the reaction of ethyl esters of phenyl 4-aminobenzoate with trifluoroacetic acid and chlorides in the presence of activated phosphorus oxychloride. Phenyl 4-aminobenzoate has substituent effects on its physical properties, such as gel permeation chromatography and optical properties. The amide group can be replaced by sulfoxide or anions, which leads to different physical properties.</p>