Building Blocks

<p>2,3-Dichloropyridine is an organic compound with the formula P(Cl)Cl. It is a white crystalline solid that reacts violently with water and alcohols. 2,3-Dichloropyridine can be used for the preparation of dichloroacetic acid by reaction with phosphorus pentachloride in the presence of sodium carbonate and water vapor. This compound can also be used to prepare copper chloride by reaction with diazonium salt in hydrochloric acid and chlorine atom in the presence of sodium carbonate at low energy.</p>

<p>3,4-Diaminobenzoic acid is a compound that is produced by the condensation of two molecules of hydrochloric acid. 3,4-Diaminobenzoic acid has been used as a reagent in the synthesis of coumarin derivatives. This chemical has been shown to be an effective proton scavenger in an optimum concentration. Benzimidazole compounds are also synthesized from 3,4-diaminobenzoic acid and have been shown to be effective against autoimmune diseases. 3,4-Diaminobenzoic acid can be used for the production of diazonium salts, which are used in the synthesis of anti-inflammatory drugs and other pharmaceuticals. The hydroxyl group on this molecule makes it chemically stable and kinetic data shows that it has high diphenolase activity.</p>

<p>4,4'-Dihydroxy-2,2'-bipyridine is a metallo-organic compound that can be used as a homogeneous catalyst for the oxidation of hydroxyl groups. It is also used in cancer research because it has been shown to inhibit tumor cell proliferation and induce apoptosis. 4,4'-Dihydroxy-2,2'-bipyridine is an activated form of 2,2'-bipyridyl with a hydroxyl group on its ortho position. It can be prepared by reacting bromine with the metal salt of 2-hydroxybenzaldehyde in the presence of sodium hydroxide. This reaction produces two products: 4,4'-dihydroxy-2,2'-bipyridine and 2-bromoethanol. The deuterium isotope is used for nuclear magnetic resonance spectroscopy studies because it has a spin quantum number of one and does not cause chemical shift</p>

<p>1,2,5,6-Diepoxycyclooctane is a chemical compound that has been used as a crosslinking agent for the polymerization of epoxies. It is also used as a reactive intermediate in organic synthesis. 1,2,5,6-Diepoxycyclooctane can be prepared by reacting epichlorohydrin with ethylene oxide and then hydrogenation. This chemical compound is stable to ultraviolet light and does not react with cationic surfactants. 1,2,5,6-Diepoxycyclooctane can form monoadducts or diploid adducts when it reacts with chemicals such as dioxane and benzene. The nmr spectra of 1,2,5,6-diepoxycyclooctane show signals characteristic of epoxides.</p>

<p>(R)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine and its enantiomer (S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine are also known as Schöllkopf chiral auxiliaries or Schöllkopf reagents, and are used to produce optically pure α-amino acids via asymmetric synthesis. The Schöllkopf reagent can be deprotonated at the prochiral α-carbon, and the resulting enolate is trapped with electrophiles to yield adducts with high (typically &gt; 95% d.e.) diastereoselectivity. The enolate is essentially planar, and the steric bulk of the isopropyl group directs the incoming electrophile to attack from the opposite face, yielding trans adducts. A wide range of electrophiles including alkyl halides, alkyl sulfonates, acyl chlorides, aldehydes, ketones, epoxides, thioketones and enones can be used. Hydrolysis, typically under mild acidic conditions, yields the non-substituted amino acid with high (typically &gt; 95 e.e.) enantiopurity.</p>

<p>2,6-Diaminopurine is a nucleotide analogue that is synthesized from guanosine. It inhibits the enzyme ribonucleotide reductase and blocks the synthesis of DNA precursors, which are necessary for viral replication. 2,6-Diaminopurine has been shown to inhibit hiv infection in tissue culture and animal models by decreasing the levels of nucleotides in cells. This drug can be used as an anti-viral agent against HIV and other retroviruses. 2,6-Diaminopurine has also been shown to be effective against murine sarcoma virus. The compound binds to the enzyme ribonucleotide reductase, which is important for DNA synthesis, and prevents its activity by mimicking adenosine triphosphate (ATP). The binding of 2,6-diaminopurine to ATP results in a coordination geometry that causes a long hydrogen bond with one oxygen</p>

<p>4,4'-Dimethoxy-2,2'-bipyridine (DMBP) is a reactive compound that can undergo nucleophilic attack on protonated molecules. DMBP has a high value for protonation and is able to react with water vapor in the air to form hydroxide. It has been used as a model protein to study the redox potential of biomolecules and the biological properties of halides. The crystal structure of DMBP has been studied by X-ray crystallography and is found to be related to technetium.</p>

<p>4,4'-Dicyano-2,2'-bipyridine is a ligand that binds to molybdenum and has been used in the diagnosis of mitochondrial DNA. It has been shown to be an effective treatment for tropical diseases such as malaria. This drug binds to the molybdenum cofactor in the enzyme ribonucleotide reductase, thereby inhibiting the production of ATP. 4,4'-Dicyano-2,2'-bipyridine also reacts with formic acid and ruthenium to produce a redshifted product that can be detected by electron paramagnetic resonance spectroscopy.</p>

<p>6-(Dimethylamino)purine (6-DAP) is a purine nucleoside that acts as an inhibitor of the transcription factor leukemia inhibitory factor (LIF). 6-DAP binds to the response element in the promoter region of LIF and blocks the binding of LIF to this site. This prevents transcription of LIF, which leads to cell cycle arrest. 6-DAP also has inhibitory effects on skin cells and inhibits the formation of fetal bovine serum protein in a model system. 6-DAP binds to nuclear DNA and alters its structure, which may cause problems with DNA replication or transcription.</p>

<p>2,5-Diketopiperazine is a trifluoroacetic acid derivative that has been shown to inhibit the growth of prostate cancer cells. The molecular docking analysis revealed that 2,5-Diketopiperazine binds to epidermal growth factor (EGF) and intermolecular hydrogen bonding may be involved in its interaction with EGF. 2,5-Diketopiperazine also inhibits the activity of fatty acid synthase by binding to the acyl carrier protein and blocking the formation of malonyl coenzyme A. This compound can be found in plants and some marine invertebrates as well as in etoac extract. It has been shown to have anti-inflammatory properties due to its ability to inhibit cyclic peptide production from arachidonic acid.</p>

<p>Intermediate 1,3-Diamino-2-hydroxypropane, also known as 1,3-Diamino-2-propanol, is the simplest amino alcohol containing two primary amino groups and one secondary alcohol group. 1,3-diamino-2-hydroxypropane is quite versatile, serving as a building block for the synthesis of many organometallic compounds and for the biological synthesis of peptides. In industry, 1,3-diamino-2-hydroxypropane is often used as a scrubber for industrial exhaust gases, used in organic synthesis and used biochemically for proteomics research.</p>

<p>Dipropyl ether is an ether that has a glycol ether backbone. It is used as a solvent in the production of optical sensors, and it may be used as a carrier for fatty acids. Dipropyl ether also has the ability to transport water, which makes it useful for wastewater treatment. This compound is synthesized by reacting ethylene diamine with two equivalents of propylene oxide. The glycol chain consists of two hydroxyl groups that are separated by an intramolecular hydrogen bond, which stabilizes the molecule and prevents it from reacting with other substances.</p>

<p>Dibenzofuran is a polycyclic aromatic hydrocarbon (PAH) that can be found in the environment and in living organisms. The body mass index, concentrations of dibenzofurans in maternal blood, and analytical method are factors that determine the levels of this compound. Dibenzofurans have been shown to induce enzyme activities in human serum. It is also an oral pathogen for humans, causing health problems such as DNA damage and cancer. Dibenzofurans are metabolized by cytochrome P450 enzymes and can react with other PAHs to form polychlorinated dibenzodioxins. Structural analysis shows nitrogen atoms on the benzene ring, which are essential for biological properties such as mutagenicity.</p>

<p>4-Dimethylaminobenzoic acid is a cationic surfactant that is used in analytical chemistry to measure the proton concentration. It reacts with protons and forms a positively charged ion. 4-Dimethylaminobenzoic acid can be used in experimental models to study the effects of protonation on cell growth and metabolism. Research has found that 4-dimethylaminobenzoic acid can be used as a growth factor by stimulating the production of protein, DNA, and RNA in cells.<br>4-Dimethylaminobenzoic acid is used as an ingredient in some skin care products because it has been shown to have anti-inflammatory properties.</p>

<p>Please enquire for more information about 4,4'-Dinitro-2,2'-bipyridine-N,N'-dioxide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,4-Dimethoxybenzaldehyde is a synthetic compound that has been shown to have activity against pancreatic lipase. It has been suggested as a potential drug for the treatment of metabolic disorders such as obesity or diabetes. 2,4-Dimethoxybenzaldehyde can be synthesized by reacting ethyl diazoacetate with an aldehyde in the presence of ammonium acetate. This chemical can also be used to produce ethyl esters and compounds belonging to the group of phlorotannins. 2,4-Dimethoxybenzaldehyde has been shown to have antioxidative activity and inhibitory effects on pancreatic lipase.</p>

<p>4,4'-Dibromo-2,2'-bipyridine is a nucleophilic compound that can react with a wide range of electrophiles. It has been used in medications as a thermally stable and non-toxic ligand for metal ions. 4,4'-Dibromo-2,2'-bipyridine is an efficient ligand for the coordination of many transition metals. This compound also has high values in light emission and is used in crystallography to study protein binding sites. The n-oxide form of 4,4'-dibromo-2,2'-bipyridine has biological properties that have not yet been studied.</p>

<p>2,4-Dimethyl-5-hydroxypyridine (DMHP) is a useful intermediate that can be used to synthesize other compounds. DMHP has been shown to be a useful scaffold in the synthesis of various complex compounds, such as pharmaceuticals and fine chemicals. DMHP is also a versatile building block that can be used to produce many different types of chemical compounds. It can also be used as a research chemical or as a speciality chemical for use in laboratories.</p>

<p>4,4'-Dichloro-2,2'-bipyridine (4,4'-DDBP) is a polydentate ligand that has been shown to be highly cytotoxic against cancer cells. 4,4'-DDBP binds to amines in the cancer cell and uses its nucleophilic character to activate the amine by displacement of chloride ions. This leads to the production of an excited state that can be used for photodynamic therapy or as a fluorescence probe. This compound has also been shown to have operational kinetic properties in the inhibition of bilirubin oxidase.</p>

<p>Strained cyclopropene analogue. Used as topical therapy for cutaneous warts, atopic dermatitis and alopecia areata. Efficacy as a single agent for the treatment of cutaneous metastatic melanoma has been reported.</p>