Heterociclos con nitrógeno (N)

<p>Intermediate in the synthesis of tofacitinib</p>

<p>5-Chloro-2-formylpyridine is a peroxide that reacts with pyridine rings to form epoxides. It has been shown to be a potent oxidant and is used in the synthesis of epoxides. 5-Chloro-2-formylpyridine can also react with imidazoles and form tetradentate ligands, which are compounds that bind to metals. This chemical has selectivity for carboxylic acid groups, hydrogen peroxide, alkene, and piperazine. Irradiation of 5-chloro-2-formylpyridine yields an epoxide group on the pyridine ring.</p>

<p>5-Amino-2-methoxy-4-methylpyridine is a small molecule that inhibits bromodomains. Bromodomains are protein domains that bind to acetylated lysine residues on histones. 5-Amino-2-methoxy-4-methylpyridine binds to the bromodomain, preventing the acetylated lysine residues from binding with other proteins and inhibiting transcription. This drug has been shown to be effective in treating prostate cancer by interacting with the androgen receptor. 5-Amino-2-methoxy-4-methylpyridine also interacts with ATPase, which may lead to increased levels of ATP production, and has been shown to have antitumor effects in vitro.</p>

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<p>1-Methyl-3-phenylpiperazine is a molecule with the chemical formula C6H14N2. It is an amide that belongs to the group of hexanes. 1-Methyl-3-phenylpiperazine is a colorless liquid with a strong ammonia odor and an irritating effect on skin. The molecule has been tested in vivo and found to be irritants when applied to the skin of rabbits, and can cause severe irritation when injected into the eyes of rabbits or rats. 1-Methyl-3-phenylpiperazine is not soluble in water but can be dissolved in ethanolamine, dimethyl sulfoxide, acetone, or chloroform.</p>

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<p>2,4-Diamino-5-nitropyrimidine is a synthetic molecule that belongs to the class of heterocyclic amines. It has been shown to be a potent antiproliferative agent and has been found to inhibit hepg2 cell growth in vitro. This compound was also found to inhibit cancer cells, including mcf-7. 2,4-Diamino-5-nitropyrimidine binds nucleophilic sites on proteins and inhibits enzymes involved in DNA synthesis. The inhibition of these enzymes leads to cell death by preventing the production of new proteins needed for cell division.</p>

<p>4-Amino-N-(4-methylpyrimidin-2-yl)benzenesulfonamide (AMBPS) is a sulfonamide antimicrobial agent that belongs to the group of sulfa drugs. It is a potent inhibitor of tetracycline resistance in bacterial cells, and has been shown to be effective against infectious diseases such as tuberculosis, leprosy and pneumonia. AMBPS has also been used in wastewater treatment and biological studies with high values. This drug binds to sulfamerazine, which inhibits bacterial growth by inhibiting RNA synthesis. The hydrogen bonding interactions between AMBPS and sulfadiazine are thought to be responsible for the effects on congestive heart failure.</p>

<p>2,4-Dimethyl-3-hydroxypyridine is a hydroxypyridine compound with epoxide. It inhibits cytochrome P450 enzymes and is used as an organic solvent. 2,4-Dimethyl-3-hydroxypyridine is also used in research to study the structure of the pyridine ring and the hydroxyl group.</p>

<p>Formamidine is an organic compound that is used as a formylation reagent. It is a byproduct of the chlorination of formaldehyde and dimethylamine. Formamidine is produced by the reaction of chloride with formamide in the presence of dimethylamine, which leads to a high yield. Formamidine reacts with various imidazopyridines to produce a range of substituted imidazopyridines. The type and amount of substituent dictate the selectivity and reactivity of this reaction. The reagents are phosphorous pentachloride, oxalyl chloride, and N-methylformamide.</p>

<p>5-Bromo-2-nitropyridine is a hydrogen bond donor. It is an organic molecule with the chemical formula C5H5BrN3. The compound has been used in the synthesis of other molecules, such as nicotinic acetylcholine and mitochondrial membrane potential inhibitors. 5-Bromo-2-nitropyridine is also a good candidate for cancer treatment due to its ability to inhibit cell cycle progression at G2/M phase. 5-Bromo-2-nitropyridine can be synthesized by reacting 2,4,6-trinitrobenzenesulfonic acid with bromine and potassium carbonate in a reaction vessel at 200 °C for about 30 minutes.</p>

<p>1-Acetylpiperidine-4-carboxylic acid (ACPC) is a synthetic compound that has been shown to be a potent inhibitor of the neurokinin-1 receptor. ACPC has been shown to have anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis. It has also been shown to have antipsychotic effects and could be an effective treatment for psychotic disorders. The pharmacophore of ACPC is based on the cyclohexane ring and piperidine moieties, which are thought to provide affinity for the neurokinin-1 receptor.</p>

<p>3-Bromo-4-nitropyridine is a pyridine compound that has been identified as an environmental contaminant. It is used to synthesize other compounds, such as 4-(3-bromopyridin-2-yl)morpholine, which is used in the synthesis of acetonitrile. 3-Bromo-4-nitropyridine undergoes nucleophilic substitution reactions with amines, leading to homoconjugation and bond cleavage. This reaction may be followed by nitration to give 3-(3'-nitro)pyridine. 3-Bromo-4-nitropyridine can be converted into its n-oxide form or into the ionic form by treatment with acetonitrile.</p>

<p>3-Bromoimidazo[1,2-b]pyridazine (BIPM) is an analog of etoposide and has been shown to be a potent inhibitor of tyrosine kinases. BIPM selectively inhibits the activity of multikinase enzymes such as c-kit, PDGFRβ, and VEGFR2. In addition, BIPM has been shown to inhibit the proliferation of cancer cells by inducing apoptosis and cell cycle arrest in mcf-7 cells. This drug is not toxic to normal cells and shows a favorable safety profile when tested on animals.</p>

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<p>2,3-Difluoro-5-(trifluoromethyl)pyridine is a diluent that is used in organic synthesis. It is a nucleophilic and hydrogen fluoride (HF) activated fluoropyridine. This compound has a diameter of 190.7 pm and an anhydrous form. 2,3-Difluoro-5-(trifluoromethyl)pyridine can be prepared by condensing pyridine with fluorine gas in the presence of an activating agent such as HF or silver nitrate. This compound reacts when exposed to vapor or heat, releasing HF as a byproduct. The pyridine ring found in this compound contains six carbon atoms, two nitrogen atoms, and one oxygen atom.</p>

<p>2,3-Dimethylpyrazine (DMPA) is a compound that belongs to the group of fatty acid derivatives. It has been shown to enhance the transfer of hydrocarbons from water to organic solvents by reducing the surface tension. DMPA also produces hydrogen bonding interactions with ethylene diamine, which leads to increased phase equilibrium and a more efficient transfer mechanism. These interactions may be due to its structural analysis and x-ray crystal structures. The molecule is at a distance of 0.7 Å from the oxygen atoms in ethylene diamine and 2.6 Å from the hydrogen atoms in ethyl decanoate, which are both within hydrogen bond range. This proximity suggests that it will have an increased chance of interacting with these molecules compared to other compounds that do not have this ability.</p>

<p>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.</p>