Hétérocycles azotés (N)

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3-Bromoquinoline is a brominated quinoline derivative that can be synthesized by cross-coupling reactions. The compound's chemical structure is similar to the 3-azidoquinoline, which was studied in quantum theory and molecular modeling. The 3-bromoquinoline molecule has been shown to exist in two different coordination geometries: octahedral and trigonal bipyramidal. In the octahedral geometry, the 3-bromoquinoline molecule is bound to three bromine atoms and one nitrogen atom, with an intramolecular hydrogen bond between the nitrogen atom and the quinoline ring system. The trigonal bipyramidal geometry also features an intramolecular hydrogen bond between the nitrogen atom and quinoline ring system, as well as a halogen bonding interaction with one of the three bromine atoms.

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2,6-Dichloro-5-nitropyrimidin-4-amine is a chlorinating agent that reacts with aliphatic and aromatic amines to form substituted pyrimidines. The substitution pattern of the product depends on the regioselectivity of the reaction. 2,6-Dichloro-5-nitropyrimidin-4-amine is one of the few chlorinating agents that react with propylamine. Substitution at position 2 of the purine ring has been found to be more selective than substitution at position 6. The 2,6-dichloropyrimidine can also be used as a nitro group source in chemical synthesis or as an intermediate in production of other compounds.

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2-Amino-1,3,5-triazine is a hydrogen bond donor that has been shown to have growth inhibiting effects. It reduces the viscosity of aqueous solutions and is used as an enantiopure for amines. 2-Amino-1,3,5-triazine can be used in reactions with metal surfaces to produce surface coatings or used as a bifunctional crosslinking agent for polymer materials. 2-Amino-1,3,5-triazine has been shown to have degenerative disease inhibitory activity and inflammatory disease inhibitory activity. It also inhibits the production of inflammatory cytokines such as tumor necrosis factor alpha (TNFα) and interleukin 6 (IL6).

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2-Amino-6-hydroxy-8-mercaptopurine is an antimicrobial agent that inhibits the growth of bacteria by binding to their ribosomes. It has been shown to have a cytotoxic effect in vivo on cancer cells and intestinal parasites, as well as a protective effect against infectious diseases. 2-Amino-6-hydroxy-8-mercaptopurine has also been shown to inhibit the synthesis of proteins in vitro, which may be due to its ability to bind to the ribosomal subunit and inhibit protein synthesis. 2-Amino-6-hydroxy-8-mercaptopurine inhibits bacterial growth by binding to DNA dependent RNA polymerase, thereby preventing transcription and replication. The high frequency of human activity has been shown using a patch clamp technique on human erythrocytes. This active form is metabolized through a number of metabolic transformations, including hydrolysis by esterases or gluc

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2-Ethyl-6-methylpyridine is an organic compound that has been analyzed in a range of experiments, including the determination of its melting point. The compound has been found to be crystalline in nature, and this property can be used to determine its purity. 2-Ethyl-6-methylpyridine is a colorless liquid with a sweet odor that can be detected at concentrations as low as 0.5 parts per million. It is soluble in organic solvents such as benzene, chloroform, and acetone. This reagent is also known for its ability to catalyze reactions involving ketones and esters. 2-Ethyl-6-methylpyridine may be used as a marker for tobacco smoke, but it is not currently approved by the United States Food and Drug Administration (FDA) for this purpose.

1-(4-Pyridinylmethyl)piperazine (1-PMP) is a piperazine derivative that is used as an active ingredient in psychoactive substances. It is chemically classified as a calibrant, meaning it has been designed to have a specific effect on the brain. It is also known as a signal calibrant because of its ability to produce signals in magnetic resonance imaging (MRI). 1-PMP has been shown to be psychoactive and can cause hallucinations when taken at high doses. This drug has a number of different isomers, which are all active, but vary in potency and duration of action. The most potent isomer for human use is 4-PMP. 1-PMP can be detected through nuclear magnetic resonance (NMR), which detects the presence of hyperpolarised atoms or molecules with an external magnetic field.

Prasugrel is a pharmaceutical compound that belongs to the class of thienopyridines. It has been shown to inhibit platelet aggregation and is used for the prevention of blood clots in patients with coronary artery disease. Prasugrel binds to the P2Y12 receptor on the surface of platelets, which prevents ADP from binding, thereby inhibiting platelet aggregation. Prasugrel is a crystalline solid that is soluble in water.

3-Amino-4-methoxypyridine is a molecule that has been shown to have anesthetic activity. It has been shown to inhibit the uptake of glycogen by glioblastoma cells and decrease the rate of glycogen synthesis in these cells. 3-Amino-4-methoxypyridine also inhibits the production of ATP in cardiac muscle cells, which may be due to its ability to inhibit glycogen synthase kinase-3 (GSK3) and glycogen synthase. This drug also inhibits cancer cell growth by inhibiting protein synthesis, as well as inflammatory disease progression by inhibiting NFκB activation and cytokine production. 3-Amino-4-methoxypyridine can be synthesized from aminopyridines such as isonicotinic acid or nicotinic acid, which are oxidized with hydrogen peroxide and sodium nitrite in the presence of a base catalyst.

1-(4,4'-Difluorobenzhydry)piperazine (1-DFBP) is a potential antitumor agent that has been shown to inhibit the growth of leukemia cells. It may be an inhibitor of apoptotic cell death, as it has been shown to induce hydrogen bond formation with coumarin derivatives. 1-DFBP has also been shown to have inhibitory activities against leukemia HL-60 cells, and is a competitive inhibitor of cinnarizine. The catalytic mechanism for 1-DFBP is not known, although kinetic data suggest that it involves hydrogen bonding and/or pi stacking interactions.

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2,2', 2'' -Terpyridine is a chelate ligand that is used in wastewater treatment. It can be synthesized by reacting 2-aminopyridine with ethylene diamine and 2,4-dichloro-1,3-dithiolane. The x-ray crystal structures of the ligand show that it has a coordination geometry of octahedral and its reaction mechanism is an oxidation. The chelate ligand binds to the metal ion in the same way as other ligands and stabilizes it by forming hydrogen bonds. This compound has significant cytotoxicity against carcinoma cell lines and also inhibits the mitochondrial membrane potential (MMP). 2,2', 2'' -Terpyridine is classified as group p2 due to its redox potentials and cytotoxicity.

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Desloratadine N-hydroxypiperidine is a drug that is used to treat allergic rhinitis and urticaria. It belongs to the class of antihistamines, which block the activity of histamine in the body. Desloratadine N-hydroxypiperidine is a prodrug that has a piperidine moiety attached to its side chain. This prodrug is metabolized into desloratadine, its active form, by esterase enzymes in the liver and blood plasma. The onset of action is rapid after oral administration and the duration of action is 12 hours or more. Desloratadine N-hydroxypiperidine has shown linearity over a wide range of pH values (pH 1 to 10) and ionic strengths (0.1 M to 0.5 M). Optimization was achieved by adjusting elution time, ion-pairing agent, mobile phase composition, organic modifier concentration and column particle

1-Acetyl-4-(4-hydroxyphenyl)piperazine is a triazole antifungal that inhibits the synthesis and activity of nitric oxide. It binds to the N1 atom of the molecule, which is the site of nitrite ion, and prevents it from reacting with chloride ions. This binding also prevents nucleophilic attack on imine bonds in proteins and DNA. The photophysical properties of 1-acetyl-4-(4-hydroxyphenyl)piperazine are determined by its coumarin derivatives, which absorb light at wavelengths between 400 and 500 nm. The compound has been found to be specific for fungi, but not bacteria or yeast. 1-Acetyl-4-(4-hydroxyphenyl)piperazine has been shown to be effective against Candida albicans and other strains of yeast when used as an oral or topical treatment.

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Isocytosine is a prodrug that has been synthesized with the intramolecular hydrogen on the nitrogen atoms, which makes it more chemically stable. Isocytosine is a reactive molecule, and can react with tautomers to form isocytosine derivatives. Isocytosine contains three hydrogen atoms that are transferable through reactions to other molecules. The chemical stability of isocytosine allows for its use in wastewater treatment. It also has metabolic effects, such as the inhibition of colorectal adenocarcinoma and metabolic disorders. Isocytosine can be used as a model system for studying transfer reactions and reaction mechanisms.

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5-Bromo-2-(methylthio)pyrimidine is a synthetic compound that has been used to synthesize palladium complexes. It can also be used in the synthesis of vitamin B1, which is an essential nutrient for humans and animals. 5-Bromo-2-(methylthio)pyrimidine binds with magnesium and reacts with sulfoxide, nucleophilic attack and electronegativity. 5-Bromo-2-(methylthio)pyrimidine is activated by 2-chlorobenzothiazole and hydrogen chloride, which leads to nucleophilic attack on the electrophilic carbon atom. This causes a displacement reaction with the elimination of chlorine gas and production of dihydro.

4-Bromopyridine HCl is a chemical compound with the molecular formula C6H5BrN. It is an aromatic heterocycle and is used in organic synthesis as a coupling partner in cross-coupling reactions. The bromine atom of 4-bromopyridine is replaced by chloride, resulting in 4-chloropyridine. The chlorination reaction can be conducted using either hydrochloric acid or thionyl chloride. This process can be done on an industrial scale and the chlorinated product has been used in the manufacture of pharmaceuticals, dyes, and pesticides. The reaction mechanism for this substitution reaction involves a nucleophilic attack by chlorine on the pyridine ring at carbon atom 2 followed by displacement of hydrogen from the adjacent position on nitrogen atom 3. Acylation reactions are oxidation processes that involve conversion of carboxylic acids to acyl halides or acyl chlorides through treatment with acidified halogenating agents such

2,3,5,6-Tetra-methyl-pyrazine is a chemical compound that is structurally similar to ATP. It has been shown to inhibit the mitochondrial membrane potential and induce apoptosis in rat heart cells. 2,3,5,6-Tetra-methyl-pyrazine has also been shown to inhibit ATP synthase activity and increase lactate levels in the presence of glucose. This compound inhibits cyclase activity and increases microdialysis probe signal pathways. 2,3,5,6-Tetra-methyl-pyrazine may be useful for the treatment of myocardial infarcts.

5-Aminopyridine-3-carboxylic acid (5APC) is a structural analog of nicotinic acid that has been shown to have anti-inflammatory effects. 5APC inhibits the production of inflammatory cytokines, such as IL-10 and IL-17, by inhibiting the activation of NFκB and MAPK pathways. This drug also has significant inhibitory activities against dextran sulfate sodium (DSS)-induced acute colitis in experimental models. 5APC is thought to act by interrupting the assembly of p38 mitogen activated protein kinase (MAPK) and nuclear factor kappa B (NFκB) signaling complexes.

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1-(4-Nitrophenyl)piperazine is a nitro compound with a molecular weight of 147.2. It is soluble in DMSO and ethanol, but not in water. 1-(4-Nitrophenyl)piperazine has the ability to absorb ultraviolet radiation (UV) and it can be used as a UV-absorbing agent in plastics. 1-(4-Nitrophenyl)piperazine can also be used as an intermediate for the synthesis of triazole antifungal agents. The molecule has been shown to have high values at magnetic resonance spectroscopy (NMR). The crystal structure of 1-(4-nitrophenyl)piperazine was determined by x-ray diffraction data and molecular modeling techniques. This molecule's melting point was determined by titration calorimetry, which showed that its melting point is around 195 degrees Celsius.br> 1-(4-Nitrophenyl)piper

2,4-Dichloropyrido [2,3-D] pyrimidine is a regioselective chlorination agent that can be used for the synthesis of various organic compounds. It is often used in cross-coupling reactions to form carbon-carbon bonds. 2,4-Dichloropyrido [2,3-D] pyrimidine has been shown to give high yields and is selective for disubstituted or monosubstituted substrates. This compound is also useful for the functionalization of C-H bonds via palladium-catalyzed coupling reactions.

1,1'-Carbonimidoylbis-1H-imidazole is a ligand that binds to amines and isosteres. It can be activated with electrophilic reagents to form an activated linker. This ligand has been shown to inhibit the growth of xenograft tumor cells in mice by binding to functional groups on the cell surface. This drug also has been shown to bind to the receptor for advanced glycation end products (RAGE) and inhibit its function. 1,1'-Carbonimidoylbis-1H-imidazole has also been evaluated as a cancer therapeutic agent in animal models.

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2-Bromo-6-methylpyridine-3-carboxaldehyde (BMPCA) is a pharmacological agent that belongs to the group of antagonists. It has been shown to be a potent antagonist at the NMDA receptor and may be used for treating neuropathic pain. BMPCA also has been shown to have competitive inhibition at the naphthyridine receptor, which may allow it to act as an antagonist or an agonist depending on its binding site. The regioisomeric analogs of BMPCA are 2-(2,5-dichloropyridyl)-6-methylpyridine-3-carboxaldehyde and 2-(2,5-dimethylpyridyl)-6-methylpyridine-3-carboxaldehyde. These analogs have been shown to inhibit the growth of tumor cells in vitro and in vivo.

2-Bromopyrazine is a heterocyclic chemical compound that inhibits the activity of enzymes such as kinases. It has been shown to have anti-tumor properties in clinical studies and has been used in cancer research. 2-Bromopyrazine binds to nicotinic acetylcholine receptors, which are found on the surface of tumor cells. The binding of 2-bromopyrazine to these receptors causes an increase in ion flow across the membrane and leads to cell death. This drug also inhibits kinase activity, leading to decreased protein synthesis, which may account for its anti-tumor properties. 2-Bromopyrazine is soluble in organic solvents and insoluble in water. 2-Bromopyrazine is stable under acidic conditions but undergoes hydrolysis by hydrochloric acid, forming a salt and hydrogen bromide gas.

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2-(4-Chlorobenzyl)pyridine is a synthetic pyridine compound that has been shown to have anti-cancer properties. It is also a potent inducer of the enzyme methane monooxygenase and has been shown to interact with other compounds, such as maleates and sulfoxides, which are also used in this type of experiment. The catalytic mechanism for 2-(4-chlorobenzyl)pyridine is not yet known, but it may involve an acidic chlorine atom or a hydrochloric acid catalyst. 2-(4-Chlorobenzyl)pyridine has been found to be effective at inhibiting the growth of cancer cells in vitro without toxic effects on healthy cells. It has also been shown to inhibit the proliferation of human leukemia cells in vivo.

2-Amino-6-chloropurine is a nucleophilic substituent that is used in the synthesis of 2-amino-6-chloropurine. It reacts with hydroxyl groups to form a palladium-catalyzed coupling reaction solution, which is then treated with hydrochloric acid and trifluoroacetic acid. The product is purified by crystallization and recrystallization. This compound has potent antitumor activity against carcinoma cell lines, but it has not been shown to have any effect against Mycobacterium tuberculosis.

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2-Pyrimidine-carboxylic acid is a biologically active molecule that can be found in the human body. It is a derivative of pyrimidine, which belongs to the group of purines. 2-Pyrimidine-carboxylic acid has been shown to inhibit the nicotinic acetylcholine receptor and α7 nicotinic acetylcholine receptor, which are receptors for acetylcholine. This molecule also has antihypertensive activity and has been shown to have therapeutic effects in psychotic disorders. 2-Pyrimidine-carboxylic acid binds to picolinic acid, which is an important intermediate in the metabolism of tryptophan, and hydroxyl group, which is essential for many biological functions. It also reacts with copper ions and forms a complex that is x-ray crystal structure confirmed. This complex may be used as a herbicide resistance inducer or as a chemical species for receptor binding studies or chemical reactions.

Sulfamethoxypyridazine is a sulfa drug that inhibits bacterial growth by inhibiting the synthesis of folic acid, which is essential for DNA and RNA production. It has been shown to be effective in the treatment of urinary infections and infectious diseases. Sulfamethoxypyridazine interacts with other drugs, such as oral contraceptives, to increase their blood levels. This drug also has a matrix effect on urine samples, which can be used to detect the presence of bacteria. The matrix effect is due to its hydrophobic nature and ability to form aggregates with other compounds. Sulfamethoxypyridazine is used in wastewater treatment plants as an analytical method for nitrogen atoms.

2,4-Dibromopyridine is a brominated derivative of pyridine. It is synthesized through the substitution of two bromine atoms for two hydrogens on the pyridine ring. This synthesis can be achieved by disubstitution or cross-coupling reactions. The reaction products are nucleophilic and react with electrophiles to produce substitution products. The reaction mechanism is thought to involve a six-membered transition state, which has been observed using X-ray absorption spectroscopy.

3-Hydroxy-5-methylpyridine (3HMP) is a chemical substance that has been classified as an amine. It is a product of the metabolism of purines, which are nitrogenous bases found in DNA and RNA. 3HMP is produced by aerogenic bacteria (such as Enterobacter), and can be used to estimate the number of these bacteria present in water samples. 3HMP has been shown to have antiviral properties against influenza virus, and can be used as a biomarker for the presence of other viruses in animals. 3HMP also has mineralization properties, which have been studied extensively, particularly with regards to pancreatic disease.

5-Bromo-2-iodopyridine is an antibiotic that is used to treat bacterial infections. It has been shown to inhibit the growth of bacteria by binding to the 50S ribosomal subunit. This drug also has a toxic effect on respiratory system cells, which may be due to its ability to induce apoptosis. 5-Bromo-2-iodopyridine interacts with DNA in a triazine ring and inhibits bacterial growth by inhibiting protein synthesis. The drug binds to the 50S ribosomal subunit at a site that is different from that of rifampin and other antibiotics. The reaction is catalyzed by palladium at high temperatures and takes place in organic solvents such as chloroform or benzene. This synthetic process can be made more efficient by using inexpensive starting materials, such as bromine, iodine, and acetone, rather than expensive starting materials like platinum or gold salts.

6-Bromo-pyrazolo[1,5-a]pyrimidine is a bone morphogenetic protein (BMP) inhibitor. It has been shown to be a potent inhibitor of the tyrosine kinase activity of BMP receptors and may be useful for the development of new strategies for the treatment of osteoporosis. 6-Bromo-pyrazolo[1,5-a]pyrimidine is also an effective inhibitor of the proliferation and survival of cancer cells. It inhibits cell growth by interfering with cellular signaling pathways that regulate these processes. 6-Bromo-pyrazolo[1,5-a]pyrimidine was also found to inhibit the production of bone morphogenetic protein 2 (BMP2) in mouse calvaria cells without affecting other bone metabolism markers such as alkaline phosphatase or osteocalcin.

8-Chloro-3,7-dihydro-1H-purine-2,6-dione is a reactive molecule that binds to the active site of bacterial cyclic nucleotide phosphodiesterases and inhibits their activity. This inhibition prevents the breakdown of cAMP and cGMP, which are important second messengers in eukaryotic cells. 8-Chloro-3,7-dihydro-1H-purine-2,6-dione is also a potent inhibitor of protein synthesis and has been used in research studies on wheat leaves.

1-Acetylpiperazine is a growth factor that has been shown to stimulate the proliferation of keratinocytes and dermal fibroblasts. It also inhibits the production of proinflammatory cytokines, such as tumor necrosis factor alpha (TNF-α) and interleukin-1 beta (IL-1β), in immune cells. 1-Acetylpiperazine has been shown to have antimicrobial properties against Gram-positive bacteria, including methicillin resistant Staphylococcus aureus and Clostridium perfringens. The compound binds to the receptor for epidermal growth factor in cancer cells, which may be responsible for its anticancer effects. 1-Acetylpiperazine has also been shown to inhibit the binding of imatinib to its receptor, which may be responsible for its anticancer effects.

2-(Hydroxymethyl)pyridine N-oxide is a model system that was originally synthesized to study the mechanism of perchlorate and amine degradation in vivo. It has been shown to be an excellent model for studying the oxidative decomposition of n-oxides with metal ions, as well as their transformation into monomers. 2-(Hydroxymethyl)pyridine N-oxide reacts with chloride ion to form 2-(hydroxymethyl)pyridine N-oxide chloride. The reaction of 2-(hydroxymethyl)pyridine N-oxide with a sulfoxide produces an adduct that can be used to study hydrogen bonding. 2-(Hydroxymethyl)pyridine N-oxide has biological properties and is a potential drug candidate for the treatment of cancer.

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