Cyano-, Nitrile-

<p>Tak-659 is an amide compound that inhibits the serine protease activity of a number of enzymes, including cathepsin B and L. Tak-659 has been shown to have inhibitory effects on inflammation in animal models by inhibiting the production of inflammatory cytokines. Tak-659 has also been shown to impair protein synthesis in gram-negative bacteria, such as Escherichia coli and Pseudomonas aeruginosa. The mechanism for this inhibition is not entirely clear but may be due to tak-659 binding to the ribosomal RNA near the peptidyl transferase center, blocking the entry of amino acids into the ribosome. Tak-659 binds with high affinity to adenosine receptors and has been shown to reduce levels of inflammatory cytokines in mouse tumor cells.</p>

<p>4-Octylbenzylamine is a hydrophobic molecule that is soluble in organic solvents. In simulations, it was shown to have affinity for anions and aromatic hydrocarbons, as well as the ability to be immobilized on surfaces. 4-Octylbenzylamine is also a chromatographic stationary phase that can be used to separate solutes with similar properties. This molecule has been oriented so that it binds to the hydrated surface of the column, which improves its affinity for anions and aromatic hydrocarbons. The high-performance liquid chromatography (HPLC) technique utilizes this property to separate molecules of different affinities from one another in a systematic manner.</p>

<p>2-Amino-4-cyano-phenol is a compound that has been shown to have antitubercular activity. It modulates the activity of cromakalim, which is a drug used for the treatment of tuberculosis. 2-Amino-4-cyano-phenol is also an antibacterial agent and has been shown to activate bacterial DNA replication and protein synthesis. The mechanism of action of this compound is thought to be due in part to its ability to bind with the ribosomes on the outside surface of cells and inhibit their function. 2-Amino-4-cyano-phenol has also been shown to have structural similarities with phenylephrine, which inhibits bacterial growth by binding to DNA gyrase, thereby preventing transcription and replication.</p>

<p>3-Cyanocinnamic acid is a reactive, unreactive, and stepwise cycloaddition compound. It can participate in photochemical reactions with other compounds to form photodimers. 3-Cyanocinnamic acid has an optimal reaction temperature of 100°C and a reaction time of 5 minutes. The diradical nature of 3-cyanocinnamic acid makes it sensitive to UV light, and the photochemical reactions are simulated by quantum mechanics calculations. Photodimerisation simulations show that 3-cyanocinnamic acid is capable of forming photodimers with 2-cyanocinnamic acid or 4-cyanocinnamic acid at room temperature.</p>

<p>2-Cyano-3-trifluoromethylpyridine is a fine chemical that is used as a versatile building block in the synthesis of complex compounds. It can be used as an intermediate in research chemicals, reaction components, and speciality chemicals. 2-Cyano-3-trifluoromethylpyridine is a high quality reagent that can be used for the synthesis of various derivatives. It is also a useful scaffold for the development of new drugs and other chemical compounds.</p>

<p>2-Cyanoethyl phosphate barium salt hydrate is an alkaline compound that is soluble in water. It has been used to synthesize phosphodiesters, benzene, dioxan and alcohols. The chemical was originally developed as a reagent for the quantitative conversion of ethyl acetate esters to their corresponding acid chlorides. This reaction can be carried out quantitatively in tetrahydrofuran at room temperature with yields of about 95%. 2-Cyanoethyl phosphate barium salt hydrate also converts alcohols to their corresponding monophosphates quantitatively in alkaline conditions. Crystalline forms are obtained by reacting the compound with triethylamine and benzene.</p>

<p>1-Cyano-4-(dimethylamino)pyridinium tetrafluoroborate (CDAP) is an organic cyanylating agent.  It is reactive under acidic conditions giving CDAP an advantage over other sulfhydryl labeling agents, as it can avoid potential thiol-disulfide exchange.</p>

<p>4-Cyanobenzamide is a naphthalene derivative that is both reactive and intramolecular. It has been shown to react with the amino group of peptides, forming a ruthenium complex. The functional groups are acceptors and donors that can be used in assays for the detection of anions or cations. 4-Cyanobenzamide reacts with water to release hydrogen gas, which can be used to measure its hydration ability. This compound has been synthesized using solid-phase synthesis and it has amide bonds that vibrate at a specific frequency.</p>

<p>1,2-Diphenyl-1-cyanoethylene is a molecule that is involved in the cancer process. It has been shown to inhibit the growth of skin cancer cells and other types of cancer cells by binding to mitochondria and inhibiting the formation of proton gradients across mitochondrial membranes. This inhibition leads to a decrease in cellular ATP production and an increase in reactive oxygen species (ROS), resulting in cell death. 1,2-Diphenyl-1-cyanoethylene also has anticancer activity due to its ability to induce light emission from the skin and interfere with the optical properties of holothuria, which are sea cucumbers.</p>

<p>4-Aminobenzonitrile is a chemical compound that has been shown to be an antimicrobial agent. It has been found to be active against bacteria and fungi, such as Candida albicans and Aspergillus niger. 4-Aminobenzonitrile binds with epidermal growth factor (EGF) by intramolecular hydrogen bonding, which leads to the disruption of the protein's tertiary structure. The nitrogen atoms in this compound have been shown to react with water vapor at high temperatures, which results in the release of hydrogen gas. This reaction can be used for phase transition temperature studies. 4-Aminobenzonitrile also shows intermolecular hydrogen bonding with fatty acids, which causes the molecule to change its shape and protonation state. These changes affect its frequency shift and molecular modeling study results.</p>

<p>Phenoxyacetonitrile is an efficient method for the synthesis of ethylene diamine by the reaction of hydrochloric acid, chloride and a carbon source. The nitro group can be reduced to an amine or a hydroxyl group by hydrogen chloride in acetonitrile. This method has been used in the synthesis of drugs such as acyclovir and penciclovir. Phenoxyacetonitrile also inhibits growth factor production, which may be due to its inhibitory properties on the enzyme houben-hoesch reaction.</p>

<p>2-Amino-5-chlorobenzonitrile is a potent inhibitor of butyrylcholinesterase (BChE) and has been shown to inhibit the activity of this enzyme in cell lung cancer and muscle. 2-Amino-5-chlorobenzonitrile also inhibits the activity of other enzymes, such as acetylcholinesterase (AChE) and phosphatidylcholine esterase (PCE), that are found in the membranes of cells. This inhibition leads to increased levels of acetylcholine in the synaptic cleft, which may lead to an increase in muscular contractions. 2-Amino-5-chlorobenzonitrile is also a product yield enhancer for chromene synthesis.</p>

<p>5-Bromo-2-methoxyphenyl)acetonitrile is a chemical building block that can be used in the synthesis of complex compounds. It is a versatile intermediate that can be used as a reagent in organic reactions. This compound has been shown to be useful as a reaction component and is a high quality product. 5-Bromo-2-methoxyphenyl)acetonitrile has CAS number 7062-40-0 and is listed on the Chemical Abstracts Service (CAS).</p>

<p>4-tert-Butylcalix[4]arene is a polymorphic compound with transport properties. It has been shown to have an activation energy of ˜30 kcal/mol, and can be characterized by its nmr spectra. The molecule can be found in n-hexane and zirconium. 4-tert-Butylcalix[4]arene is a coordination complex with a transfer mechanism that contains chloride or metal ion. It forms an acid complex with thermally stable molecules.</p>

<p>7-Cyano-7-deaza-2’-deoxyguanosine is a pyrrole nucleoside analog that has been shown to inhibit the replication of herpes simplex virus type 1 and 2 in human cell lines. 7-Cyano-7-deaza-2’-deoxyguanosine is a synthetic nucleoside analog that is structurally similar to deoxyadenosine, but with a cyanide group instead of an oxygen atom. This compound has been shown to have the same biochemical properties as deoxyadenosine, including inhibiting the incorporation of uridine into RNA and DNA. In addition, 7-Cyano-7-deaza-2’-deoxyguanosine inhibits the synthesis of proteins from amino acids by competitive inhibition of ribonucleotide reductase, which catalyzes the conversion of ribonucleotides to deoxyribonucleotides. The enzyme's function</p>

<p>Ethyl acetamidocyanoacetate is an amide which inhibits the enzyme thrombin. It inhibits the conversion of fibrinogen to fibrin, and thus prevents blood clot formation. Ethyl acetamidocyanoacetate has been shown to inhibit serine protease, one of the most abundant enzymes in the human body. This inhibition causes a decrease in inflammatory diseases caused by these enzymes. Ethyl acetamidocyanoacetate also has analog properties that can be used for solid-phase synthesis.</p>

<p>Ethyl 2-cyano-3-(4-nitrophenyl)prop-2-enoate is a functionalized molecule that contains a dipole. It has high selectivity for 1,3-dipolar cycloadditions because the electron density of the methylene group is greater than that of the aldehyde group. The mechanistic theory for this reaction is that the electron density on the methylene group in ethyl 2-cyano-3-(4-nitrophenyl)prop-2-enoate will cause it to become more reactive than the aldehyde group. The dipoles in this molecule are oriented such that they can react with each other to form an intermediate and then an adduct. This isomerization occurs through either dipolarophilic or electrocyclic mechanisms.</p>

<p>4-Amino-3,5-dichlorobenzylamine dihydrochloride is a chemical intermediate that can be used as a reagent for the synthesis of other compounds. 4-Amino-3,5-dichlorobenzylamine dihydrochloride is considered to be a high quality chemical with versatile uses. It is listed in the Chemical Abstracts Service (CAS) registry under 164648-75-3, and can be obtained from various suppliers.</p>

<p>Methyl-4-cyanobenzoate is a nucleophilic compound that reacts with electrophilic functional groups. It is used in organic chemistry as an immobilized reagent for the conversion of alcohols, amines, and thiols to their corresponding halides. Methyl-4-cyanobenzoate has been shown to have anti-inflammatory properties by inhibiting neutrophil migration into cutaneous tissue and reducing the production of proinflammatory compounds such as isobutene and naphthalene. It also inhibits the release of histamine from mast cells.</p>

<p>Cyanomethyl)urea is a fine chemical that belongs to a class of compounds known as ureas. It is used as a versatile building block in the synthesis of more complex compounds, as a research chemical and as an intermediate. It can be used to synthesize pharmaceuticals, pesticides, and other chemicals. Cyanomethyl)urea is used in the production of polyurethane foams, which are commonly found in mattresses, furniture upholstery and insulation.</p>

<p>4-Nitrobenzylamine hydrochloride is a bifunctional immobilizing agent that can be used for the immobilization of Zn2+. It reacts with nitrogen atoms, forming an amination reaction. The linker is covalently immobilized to the surface and the nature of this chemical is synthetic. 4-Nitrobenzylamine hydrochloride is synthesized by reacting nitric acid with benzaldehyde in ammonia solution at room temperature. This chemical has shown to be effective in reactions where a flow rate is needed or when diamidines are present in the reaction mixture.</p>

<p>Please enquire for more information about 2-(6-Benzyloxyindolyl)acetonitrile including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>4,5-Bis(2-cyanoethylthio)-1,3-dithiole-2-thione is a fluorescent compound that exists in two orientations, cis and trans. It has been used as a linker for the construction of new compounds with interesting properties. 4,5-Bis(2-cyanoethylthio)-1,3-dithiole-2-thione has been shown to be an effective ligand for palladium cross coupling reactions. This compound can also be used in supramolecular chemistry due to its ability to fluoresce brightly.</p>

<p>N-Cyanopiperidine is a cyclohexane ring with a trifluoroacetic acid group. It is used in the synthesis of pharmaceutical preparations and has been shown to be stable in low-energy environments, such as when mixed with glycol ethers or chlorides. N-Cyanopiperidine is also used as an intermediate for the preparation of other compounds, such as metal carbonyl complexes and derivatives. N-Cyanopiperidine can be synthesized by reacting anhydrous hydrogen cyanide with piperidinium chloride in the presence of metal hydroxides. This reaction mechanism is known to produce two products: 1) a stable complex with a metal ion, and 2) a reaction product that contains the desired product and hydrogen cyanide.</p>

<p>4-Bromo-3-cyanotoluene is a quinazolinone that can be synthesized by reacting 2-bromotoluene with nitric acid. It is a substrate for the synthesis of other quinazolinones.</p>

<p>4-Cyanobenzyl bromide is a chemical compound that is stable in the presence of hydrogen bonds and with a palladium-catalyzed coupling reaction. It has been shown to react with amines to form an azobenzene, which is a fluorescent compound. 4-Cyanobenzyl bromide reacts with x-ray diffraction data and molecular modeling to form halides and hydroxy groups. The mechanism of this reaction is not yet known, but it appears that the initial step involves the formation of a hydrogen bond between the 4-cyanobenzyl group and the amine. Magnetic resonance spectroscopy has confirmed that hippuric acid can be formed from this reaction as well.</p>

<p>Methyl 4-(cyanomethyl)benzoate is a synthetic compound that binds to the H1 receptor, which is part of the histamine family. It is an antagonist of this receptor and inhibits its activity. The affinity of methyl 4-(cyanomethyl)benzoate for the H1 receptor was measured by fluorescence displacement analysis in rat brain membranes. This compound also has potent anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis. Methyl 4-(cyanomethyl)benzoate has been shown to be expressed in cells that are chemotactic for neutrophils and natural killer (NK) cells. Methyl 4-(cyanomethyl)benzoate also binds to a prostanoid receptor, CRTh2, leading to an increase in NK cell migration.<br>Methyl 4-(cyanomethyl)benzoate inhibits cyclooxygenase-1 (COX</p>

<p>(2-Methoxyphenoxy)acetonitrile is a versatile building block that has been used in the synthesis of fine chemicals, complex compounds, research chemicals, reagents and speciality chemicals. It is a useful building block for high quality pharmaceuticals. (2-Methoxyphenoxy)acetonitrile can be used as a reaction component or scaffold to synthesize organic molecules with interesting biological activities.</p>

<p>4-Cyanobenzoic acid ethyl ester is a hydrogen-bonding acceptor that is also able to form exciplexes with styrene. It has a conformation that is similar to that of aminobenzoate, which is a hydrogen-bonding donor. 4-Cyanobenzoic acid ethyl ester reacts with solvents such as benzene and chloroform, undergoing hydration reactions to form the corresponding 4-cyanophenol derivatives. It undergoes cyclization when heated in the presence of ruthenium(II) chloride to produce 1,4-dihydropyridine derivatives. The reaction mechanism for this reaction consists of two steps: an intramolecular nucleophilic attack followed by an intramolecular electrophilic substitution. The deionized water used in this synthetic process eliminates the need for drying agents and stabilizers, making it easier to carry out the synthesis.</p>

<p>Ethyl 4-cyano-3-nitrobenzoate is a chemical compound with the structural formula of CHNO. It is a building block for organic synthesis and can be used in the production of high quality research chemicals and speciality chemicals. Ethyl 4-cyano-3-nitrobenzoate has been shown to react with a variety of amines to form urea derivatives that are useful as versatile building blocks or complex compounds. This reagent is also useful as an intermediate in the synthesis of various pharmaceuticals. CAS No. 321162-58-7</p>

<p>Diphenylacetonitrile is an organic compound that has a low energy and is used as a nutritional supplement. It is a derivative of mandelonitrile, which can be synthesized by the Friedel-Crafts reaction between chloroform and diphenylacetic acid. Diphenylacetonitrile is an aromatic hydrocarbon with nitrogen atoms and hydroxyl groups, which can be found in the virus or p. aeruginosa. The molecule has been shown to have anti-inflammatory potency in animal models. The synthesis of this compound involves the use of halides, such as hydrogen sulfate or bromide, which are also present in high concentrations in this product. <br>Diphenylacetonitrile (DPCN) is a low-energy nitrile that undergoes Friedel-Crafts reactions with chloroform to produce the corresponding chloride (DPCCl). DPCN has been shown to inhibit inflammatory responses</p>

<p>(2,3-Dichlorophenyl)acetonitrile is a fine chemical that is useful as a building block in the synthesis of more complex compounds. It has been used in research as a reagent and as a speciality chemical. (2,3-Dichlorophenyl)acetonitrile reacts with many different types of compounds to form new molecules. This intermediate can be used in the synthesis of many different types of compounds and also serves as an important scaffold for larger molecules.</p>

<p>Please enquire for more information about 2-(3-Cyano-1H-1,2,4-triazol-1-yl)acetic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,5-Dimethoxybenzonitrile is a polymerized organic compound that belongs to the class of benzene compounds. It is a monomer with two methyl groups on either side of the benzene ring. 2,5-Dimethoxybenzonitrile has been studied in terms of its transition and optimization properties using techniques such as IR and NMR spectroscopy. The frequencies of the chemical bonds have been analyzed, and it has been found that the molecule is centrosymmetric. 2,5-Dimethoxybenzonitrile can also be used to form polymers with other molecules by linking them together through covalent bonds.</p>

<p>4-Amino-2-bromobenzonitrile is a crystallized ligand with a molecular formula of C6H7BrN. It belongs to the cationic class of ligands and has been shown to form intermolecular hydrogen bonds with aromatic rings. The crystal has a hexagonal unit cell and space group P-1. 4-Amino-2-bromobenzonitrile has been used as an elemental analysis reagent in the determination of copper, lead, zinc, and cadmium.</p>

<p>2-Cyanoacetamide is an organic compound that is used in pharmaceutical preparations. It reacts with malonic acid to form a dioxime, which is a precursor of various drugs. The optimum concentration for the reaction to occur is at 10% (w/v). The reaction mechanism has not been fully elucidated and it involves the transfer of nitrogen from an amide group to a carbonyl group. 2-Cyanoacetamide has shown anti-angiogenic effects in mice by inhibiting the expression of Mcl-1 protein, which is involved in the regulation of apoptosis and inflammation. This drug also has biological functions as a precursor for dopamine, which helps regulate motor and cognitive functions.</p>

<p>2-Chloro-3-methylbenzylamine HCl is a fine chemical that is a versatile building block for synthesis of pharmaceuticals and research chemicals. It is also a useful intermediate in the production of other compounds, such as speciality chemicals, complex compounds, and reaction components. 2-Chloro-3-methylbenzylamine HCl has many potential applications in both academia and industry because it is a high quality reagent with many uses.</p>

<p>4-Chloro-3,5-dinitrobenzonitrile is a mesomeric compound that has four amines and one nitro group. It is a dipole with chloride as the negative end and amine as the positive end. The reaction mechanism of this chemical is nucleophilic substitution. 4-Chloro-3,5-dinitrobenzonitrile reacts with an organic solvent to form a buffer. A buffer is an ionized solution that resists changes in pH when acid or base are added to it. This chemical also reacts with thionyl chloride to form hydrochloric acid, which can be used to leishmania parasites. 4-Chloro-3,5-dinitrobenzonitrile also reacts with an anion such as ClO4− or NO2− to form a salt such as chlorate or nitrate respectively.</p>

<p>3-Cyanobenzoic acid ethyl ester is a reaction component that is used in organic synthesis. It is a versatile building block, useful intermediate, and useful building block. 3-Cyanobenzoic acid ethyl ester is a fine chemical that can be used as a reagent for the preparation of other compounds. This compound has been assigned CAS No. 2463-16-3 and has the molecular formula C7H6O2.</p>

<p>4-Amino-2-cyanotoluene is a quinazoline compound that inhibits the synthesis of thymine, which is necessary for DNA replication. This compound binds to the enzyme thymidylate synthetase, thereby inhibiting the synthesis of thymine. The inhibitory effect has been shown in a study using calf thymus DNA. 4-Amino-2-cyanotoluene also inhibits the synthesis of other nucleic acids such as adenine and guanine.</p>

<p>1-Adamantyl acetonitrile is a trifluoroacetic acid derivative that is used in the synthesis of 4-aminoantipyrine, chlorides, acid chlorides, and acetonitrile. 1-Adamantyl acetonitrile can be used to produce a variety of pharmaceuticals, such as aliphatic carboxylic acids, aldehydes, and amide. It can also serve as a reactant for reactions with alcohols or amines.</p>

<p>4-Bromo-2-cyanoanisole is a synthetic compound that can be used as a ligand in the transition metal catalyzed cross-coupling reaction. This chemical has been shown to form complexes with nickel, palladium, and platinum. 4-Bromo-2-cyanoanisole is also a biomolecule that interacts with other molecules and can be used in the study of natural products.</p>

<p>2-Cyano-3-fluoro-4-bromo aniline is a plant growth regulator that can be used to prevent and control the spread of viral diseases in plants. 2-Cyano-3-fluoro-4-bromo aniline inhibits the replication of influenza virus strains by binding to the viral coat protein. It also has been shown to inhibit proteolytic enzymes when applied as a coating on particles. The main mechanism of this compound is through its ability to bind to regulatory proteins, which prevents them from binding with other regulatory proteins and activating transcription factors. The expression profile suggests that this compound may regulate the expression of genes involved in plant development, cell division, and response to stress.</p>

<p>2-Bromo-4-cyanotoluene is a ligand that is used in cross-coupling reactions. It is used to form complexes with metals, such as palladium and nickel, for the preparation of organometallic reagents. 2-Bromo-4-cyanotoluene has been shown to inhibit secretory phospholipase A2 (sPLA2) and PLA2 activity in a fluorimetric assay. This compound also inhibits the catalytic activity of spla2, which is an enzyme involved in the biosynthesis of arachidonic acid. 2-Bromo-4-cyanotoluene also inhibits piperazine synthesis by reacting with the nitrogen atom on the piperazine ring.</p>

<p>2,4-Dimethoxybenzylamine hydrochloride is a substrate for glutathione reductase and a competitive inhibitor of dithioerythritol. The reaction mechanism is the same as that of triflic acid, which is generated by the reaction between triflic acid and glutathione. The inhibitory effect of 2,4-dimethoxybenzylamine hydrochloride on glutathione reductase has been studied computationally using molecular docking simulations. It was found that 2,4-dimethoxybenzylamine hydrochloride binds to the active site of glutathione reductase with an affinity comparable to that of triflic acid. This computational study also revealed that 2,4-dimethoxybenzylamine hydrochloride can be converted into triflic acid in vivo.</p>

<p>4-(Bromomethyl)benzylamine HBr is a fine chemical that can be used as a building block for organic synthesis. This compound is also a useful research chemical, reagent, and specialty chemical. 4-(Bromomethyl)benzylamine HBr has been used as a reaction component in the synthesis of various pharmaceuticals, such as theophylline and ampicillin. It has also been used as an intermediate in the production of other compounds, such as 4-hydroxybutyric acid and 3-methylthiopropionic acid. This complex compound can be purchased at high quality and is versatile enough to act as a scaffold for many reactions.</p>

<p>Cyanodibenzylamine is a synthetic, pharmaceutical preparation. It is an amine that undergoes nucleophilic attack by an amide to form a cyanoguanidine. Cyanodibenzylamine can be used as a stabilizer and additive in pharmaceutical preparations. It also has the ability to bind metal hydroxides, which may be due to the presence of basic fibroblast growth factor and isoquinoline compound. Cyanodibenzylamine is also used as a polymerization initiator in organic chemistry, with hydrocarbon solvents such as benzene or toluene as its solvent.</p>

<p>Benzenesulphonylacetonitrile is an alkanoic acid nucleophile with a benzimidazole derivative. It has shown potential for use as a cancer drug by inhibiting tumor-associated enzymes and inducing apoptosis in cancer cells. Benzenesulphonylacetonitrile is also active against inflammatory diseases such as rheumatoid arthritis, psoriatic arthritis, and Crohn's disease. This drug can be synthesized by the reaction of sodium salts with benzenesulphonylacetone followed by a nucleophilic substitution reaction with methylene chloride. The synthesis of benzenesulphonylacetonitrile requires anhydrous acetonitrile and palladium-catalyzed coupling reactions in the presence of sodium carbonate. Benzenesulphonylacetonitrile has chemical stability in the presence of acids, bases, and heat.br&gt;</p>

<p>1,4-Diamino-2,3-dicyanoanthraquinone is a chemical compound that belongs to the amines group. It has transcription-polymerase chain activity and inhibits the growth of cancer cells by regulating blood pressure and stimulating the production of growth factors. The effect on cancer cells is due to its ability to inhibit kinases. 1,4-Diamino-2,3-dicyanoanthraquinone has shown an inhibitory effect on glutamate decarboxylase and fatty acid synthase, which are enzymes that regulate cell metabolism. This chemical compound also exhibits quinoline derivatives with a redox potential that can be used as hydrogen chloride in organic synthesis reactions.</p>

<p>3,4-Diethoxyphenylacetonitrile is an intermediate that is used in the synthesis of drotaverine. It can also be used to synthesize catechol, which is a medicine used to treat depression and anxiety. 3,4-Diethoxyphenylacetonitrile can be chloromethylated with phosphorus pentachloride to produce 3,4-diethoxyphenylacetic acid. This product has been used in the synthesis of sodium cyanide and catechol hydrochloride.</p>