Acides cinnamiques

<p>Ethyl 4-aminocinnamate is a supramolecular, homologous, activated, linear polymer. It is used as an amine and phosphazene ligand in mesomorphic solid-state chemistry. It has a reversible covalent bond that can be thermally broken and re-formed. This property allows for the synthesis of polymers with functional groups on both ends of the molecule. The nitro group on this compound can be reduced to amine to give another functional group. Ethyl 4-aminocinnamate has been shown to have pharmacokinetic properties that are similar to those of ethyl 4-aminobenzoate (EB). EB is an inhibitor of NS5B polymerase that blocks RNA synthesis and leads to inhibition of viral replication. EB also inhibits ring opening reactions in the presence of nitro groups, which may explain its inhibitory effect on HIV RNA synthesis.</p>

<p>4-Aminocinnamic acid is a monomer that can be polymerized to form polymers. It is soluble in organic solvents and is resistant to UV light. 4-Aminocinnamic acid has been shown to have photochemical properties and can be used to produce hydrogen bonds with other molecules. This compound has been used as a carbon source for microbial growth and has been shown to be an effective genetic control agent for the bacteria Escherichia coli. 4-Aminocinnamic acid has also been shown to inhibit the growth of butyric acid producing bacteria, such as Clostridium butyricum, while promoting the growth of lactic acid producing bacteria, such as Lactobacillus plantarum.</p>

<p>3,4,5-Trimethoxycinnamic acid (TMC) is a hydroxycinnamic acid that is an intermediate in the synthesis of protocatechuic acid. TMC has been found to have an inhibitory effect on the matrix metalloproteinase activity in the cerebellar granule cells and may be useful for treating allergic reactions. It also has anti-inflammatory properties and can be used as a replacement for sodium carbonate in certain industrial processes. TMC also has been shown to have GABA-ergic effects, increasing locomotor activity and reducing anxiety. TMC can also be used as a Chinese herb for the treatment of ganoderma lucidum.</p>

<p>3,5-Di-tert-butyl-4-hydroxycinnamic acid is a chemical compound that belongs to the group of antihistaminic drugs. It is used as an antiallergic drug and has shown to be effective in treating hay fever and asthma. 3,5-Di-tert-butyl-4-hydroxycinnamic acid has been shown to be metabolised by rat plasma into dimethylformamide, tetrahydrofuran, reactive amides, chlorides and volatile compounds. These metabolites are then excreted via the kidneys or liver. The synthesis of 3,5-Di-tert-butyl-4-hydroxycinnamic acid can be done through a two step process that starts with the reaction of pivalaldehyde with hydrochloric acid followed by hydrogenation with rhodium on charcoal catalyst.</p>

<p>3,4,5-Tricaffeoylquinic acid is a caffeoylquinic acid derivative that exerts an inhibitory effect on the Toll-like receptor. It also has anti-inflammatory properties. 3,4,5-Tricaffeoylquinic acid has been shown to exhibit strong antiviral and antibacterial activity against infectious diseases such as influenza and tuberculosis. The compound has also been used as a natural dye for food products and cosmetics. 3,4,5-Tricaffeoylquinic acid is used in vitro assays for the identification of compounds with potential antioxidant activity. This compound is also used as a matrix effect to determine the bioavailability of other drugs in vitro and may be useful in analytical methods for determining benzalkonium chloride levels.</p>

<p>Trans-4-coumaric acid or p-coumaric acid, is a derivative of the cinnamic acid. It is the initial substrate to produce several intermediates such as ferulic acid, caffeic acid, rosmarinic acid, gallic acid, and carnosic acid. Trans-4-coumaric acid, as well as its derivatives, have antioxidant properties; they are common ingredients in cosmetics and as dietary supplement.</p>

<p>2,5-Dimethoxycinnamic acid is an unsymmetrical phenolic compound that is synthesized from caffeic acid. It has been shown to have a number of biological activities such as anti-inflammatory, coagulation, and inhibitory effects on platelet aggregation. 2,5-Dimethoxycinnamic acid has also been shown to be a potent inhibitor of platelet aggregation and thrombosis formation in vitro. This natural compound is also found in plants such as green tea leaves which contain the polyphenols epigallocatechin gallate and hydroxyanisole. The chromophore group in the molecule is responsible for the yellow color of this substance.</p>

<p>3-Hydroxycinnamic acid is a natural compound that belongs to the group of caffeic acids. It is found in many plants, including coffee beans and tea leaves. 3-Hydroxycinnamic acid has been shown to inhibit the proliferation of 3T3-L1 preadipocytes and HL-60 cells by inhibiting mitochondrial membrane potential. This compound also inhibits the activity of 4-hydroxyphenylacetic acid (4HPA) hydroxylase, which converts phenylalanine into tyrosine and 4HPA, an intermediate in the synthesis of melanin. 3-Hydroxycinnamic acid can be used as a model system for studying caffeic acids in vitro. Structural analysis has demonstrated that 3-hydroxycinnamic acid contains nitrogen atoms, which may be essential for its anti-inflammatory activities.</p>

<p>3,5-Dihydroxycinnamic acid is a metabolite of the amino acid tyrosine and an intermediate in the biosynthesis of phenylalanine. It has been shown to have anti-inflammatory properties that may be due to its ability to inhibit prostaglandin synthesis. 3,5-Dihydroxycinnamic acid has also been identified as a carcinogen and is associated with an increased risk of cancer in women. 3,5-Dihydroxycinnamic acid is found in urine samples at concentrations between 2 and 10 µmol/L.</p>

<p>2-Chloro-4-fluorocinnamic acid is an organic compound that is a useful building block, reagent, and speciality chemical. It is a versatile intermediate for the production of other organic compounds. 2-Chloro-4-fluorocinnamic acid can be used as a reaction component or a scaffold in the synthesis of complex compounds. The synthesis of this product is also possible by coupling it with an appropriate amine, such as 4-(diethylamino)benzaldehyde.</p>

<p>Trans-4-nitrocinnamic acid is an organic compound that is synthesized from 4-hydroxycinnamic acid by nitration with aqueous or alcoholic nitric acid. Trans-4-Nitrocinnamic acid has been shown to inhibit tyrosinase activity in the presence of metal hydroxides, such as copper, zinc, and iron. The reaction mechanism is unclear but may involve an initial protonation of the phenolic group followed by an electron transfer to the nitro group. This reaction results in an irreversible inhibition of tyrosinase activity. Trans-4-Nitrocinnamic acid also reacts with hydrochloric acid to produce a carboxylate salt that can be used for sample preparation.</p>

<p>Caffeic acid is naturally produced by the metabolism of plants and fungi. Caffeic acid has an antioxidant activity that can be higher than tocopherol in oil-in-water emulsions. Caffeic acid has proven antimicrobial activity against Staphylococcus aureus. In mice, caffeic acid inhibits the enzyme 5-lipoxygenase thus inhibititing the biosynthesis of the inflammatory mediators leukotrienes.</p>

<p>3-Methoxycinnamic acid methyl ester is a high quality, versatile building block for the synthesis of complex compounds. It is an intermediate in the synthesis of reagents and fine chemicals. 3-Methoxycinnamic acid methyl ester has been used in research as a scaffold to create new chemical entities. This compound has been used as a reaction component in multistep syntheses and as a precursor to speciality chemicals.</p>

<p>4-Chloro-3-nitrocinnamic acid is a thionyl chloride derivative of cinnamic acid. It is used as an intermediate in the preparation of pharmaceuticals and dyestuffs. 4-Chloro-3-nitrocinnamic acid inhibits the activity of amides, dimethylformamide, alkaline hydrolysis, xylene, carboxyphenyl, cinnamic, refluxing, nitrophenyl and carboxylic acids. 4-Chloro-3-nitrocinnamic acid reacts with chloride to form the corresponding chloride salt. This compound can also react with formamide to form an amide salt. The ester group of 4-chloro-3-nitrocinnamic acid can be cleaved by nitro compounds to produce nitro derivatives.</p>

<p>4-Formylcinnamic acid is a molecule that is produced by the condensation of benzaldehyde and formic acid. The nmr spectra of 4-formylcinnamic acid show that it has a structure with two aromatic rings. It has been shown to activate Toll-like receptor 4 (TLR4) in human liver cells. The radiation induced photochemical properties of this molecule have been studied using x-ray diffraction data and the hydrochloric acid decoupling technique. This molecule has also been shown to suppress tumor xenografts in mice and primary cells in vitro, which may be due to its ability to inhibit cellular proliferation and induce cell death by apoptosis.</p>

<p>4-Methoxycinnamic acid methyl ester is an organic compound that has potential use as a reaction modifier. The C8-C9 alkene, which is a common structural motif in fatty acids and cinnamic acid derivatives, can be efficiently produced through the use of this chemical. This organic acid is also used to modify the reactivity of other molecules by changing their steric or electronic properties. It has been shown to increase the diameter of filamentous fungi and to have a significant effect on the selectivity for reactions involving alkene substrates.</p>

<p>The 2-methylcinnamic acid is a derivative of cinnamic acid. It is an organic compound that is a colorless liquid at room temperature. The 2-methylcinnamic acid can be synthesized via the Suzuki coupling reaction between 2-chlorocinnamic acid and 4-hydroxycinnamic acid in the presence of a ruthenium complex, a diphosphine ligand, and an acidic co-solvent. This organic compound has been shown to inhibit prostaglandin synthesis by interacting with the prostanoid receptor, a protein located on the surface of cells that binds to inflammatory agents or hormones. These interactions may also lead to the inhibition of cyclooxygenase (COX) enzymes, which are responsible for prostaglandin synthesis. The 2-methylcinnamic acid can also be converted into flavonoids such as quercetin and apigenin through oxidation reactions.</p>

<p>Cis-4-Chloro-3-nitrocinnamic acid is an aromatic organic compound with potential utility in biochemical research and synthesis. This compound is typically derived from synthetic chemical processes involving chlorination and nitration reactions on cinnamic acid derivatives. Its molecular structure, characterized by both chloro and nitro functional groups, allows it to interact in unique ways with various biochemical pathways and molecular frameworks.</p>

<p>Potassium cinnamate is a white crystalline solid that is soluble in water, ethanol and acetone. It has been shown to be effective for wastewater treatment and can be used as a reducing agent. Potassium cinnamate has been shown to have high values of hydroxide solution, which are often used in the manufacturing of polymers. Potassium cinnamate also exhibits enzyme activities, such as being able to catalyze the oxidation of propionate. This product has been shown to have anti-oxidant properties and can be used for radiation protection. The polymerization of potassium cinnamate leads to polymaleic acid, which is used in the production of plastics.</p>