Building Blocks

<p>3-Bromocyclopent-2-en-1-one is an organic compound that belongs to the group of cycloalkenones. It is a methyl ester with a cyclopentane backbone and a ketone group at the end of the molecule. 3-Bromocyclopent-2-en-1-one is synthesized by a cross-coupling reaction between zinc chloride and 3,4,5,6,7,8,9,10,11 bromodecane. The product can be isolated in crystalline form as well as in yields up to 90%. The product has been shown to act as an analog for prostaglandin E2.</p>

<p>2-(Furan-2-yl)-1,3-thiazolidine is a chemical compound that is used as a reagent in organic synthesis. It has been shown to be an efficient sulfur-promoted atom transfer agent for the aerobic oxidation of thiols, such as cysteine. 2-(Furan-2-yl)-1,3-thiazolidine has also been studied as a catalyst in the formation of microemulsions. The catalytic activity of this molecule may be enhanced by its ability to form structured intermediates at the interface between water and oil phases. This reaction product is stable enough to withstand repeated phase changes and can be used for the production of glycols from diols.</p>

<p>Methyl 1-methyl-2-pyrroleacetate is a pyrrole derivative that can be synthesized by the catalytic hydrogenation of methyl 1-(2-pyrrolyl)propanoate. This compound is a useful intermediate for the synthesis of heterocyclic compounds with different substituents. Methyl 1-methyl-2-pyrroleacetate has been used as a substrate for ruthenium and rhodium catalysts, and can be selectively hydrogenated with palladium on charcoal. The reactions are carried out in various solvents such as benzene, toluene, or chloroform.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>1,2,3,4-Tetrahydronaphthalene-2-carbonitrile (THN) is an additive that is used in the production of polyesters. It has a high dielectric constant and is also an isoamyl and isoamyl alcohol amide. THN displays liquid crystal properties and has anisotropy. It can be synthesized by refluxing 1,2,3,4-tetrahydronaphthalene with carbon tetrachloride in the presence of chlorine gas.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>4-Amino-3-nitrobenzaldehyde (4ANB) is a fluorescent probe that is used to detect amines. It has been shown to be thermodynamically stable and can be used as a fluorophore in the presence of hydroxyl groups. 4ANB fluoresces with a bathochromic shift when protonated and can be used as a hypsochromic probe for cellulose acetate. The fluorescence properties of 4ANB are dependent on the chemical environment, which can be modified by adding functional groups such as formyl or fluorophore groups.</p>

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

3-Benzyl-5-(chloromethyl)-1,2,4-oxadiazole is a cyanate compound that has magnetic properties. It was synthesized by the reaction of 3-benzyl-5-(chloromethyl)-1,2,4-dioxadiazole with sodium thiocyanate. This compound is an adduct of a polymeric selenium complex and the cyanate group. The spectral data for this compound indicated that it has a strong interaction between the selenium atom and the thiocyanato moiety. Elemental analyses show that this compound has a molecular weight of 223.3 g/mol and contains 12 hydrogen atoms, 11 carbons, and 8 oxygen atoms.

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

<p>Amphetamine is a psychostimulant and sympathomimetic that is used to treat attention-deficit hyperactivity disorder, narcolepsy, and obesity. Amphetamine is structurally similar to phenylethylamine, a naturally occurring trace amine found in humans. Amphetamine has been shown to bind with high affinity to tissues in the heart, lungs, stomach, and intestines. It also binds with moderate affinity to the liver. Amphetamine can be detected by analyses of chemical structures using diode-array detection or mass spectrometry. In addition, amphetamine can be detected in urine using liquid chromatography or gas chromatography/mass spectrometry. Amphetamines are addictive and have been shown to cause long-term damage in animal models of addiction. Cathinones are related compounds that have been found in human urine samples and have been shown to be toxicologically similar to amphetamines.</p>

<p>Fenicoberan is a bronchodilator that has been shown to be effective in the treatment of chronic bronchitis. Fenicoberan is also used as an antiarrhythmic and a medicinal preparation for treating gastritis, heart disease, and infarction. Fenicoberan has been shown to be an effective drug in the ligation of coronary artery thrombi, with normalization of heart function, and hepatoprotective properties. The active chemical component of fenicoberan is phenylephrine hydrochloride. It is a sympathomimetic amine that increases blood pressure by acting on alpha-adrenergic receptors in the vascular smooth muscle cells. Fenicoberan also induces phosphatidylcholine synthesis by activating phospholipase C (PLC) enzymes, which are involved in the hydrolysis of membrane phospholipids.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2-Methyl-4-oxo-4-phenylbutanenitrile is a chemical compound that is used in the synthesis of pharmaceuticals. It can be obtained by reacting an organic base with an organic acid. This reaction takes place in a reaction vessel and requires an inorganic base and inorganic reagents. The process also requires ethyl cyanoacetate as the starting material and produces 2-methyl-4-oxo-4-phenylbutanenitrile as the product. The use of this chemical has been linked to environmental pollution, so it should never be released into the environment or come into contact with water.</p>

<p>9-Oxo-9H-thioxanthene-3-carboxylic acid is an organic compound that is used in the treatment of wastewater. It is used to inhibit the growth of microorganisms present in wastewater and has been shown to be effective at inhibiting enzymes involved in energy metabolism and citric acid production. 9-Oxo-9H-thioxanthene-3-carboxylic acid also acts as a potent inhibitor of pyrazinoic acid production, which is a major cause of chronic coughs. This chemical also inhibits glomerular filtration rate in rats, which can lead to proteinuria. The chemical's effect on kidney function can be determined by preparing a sample for titration calorimetry.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Methyl 2-ethylacetoacetate (MEAA) is a reactive chemical that is used in the industrial process of dry extraction. MEAA is used as an antibacterial agent and has been shown to be effective against a number of bacteria, including Escherichia coli and Pseudomonas aeruginosa. MEAA binds to fatty acids, disrupting their structure and inhibiting bacterial growth. It also inhibits fatty acid synthesis in bacteria, which leads to cell death by disruption of membrane integrity. The carboxylate group on MEAA can act as a diluent for other more reactive chemicals, such as formaldehyde or glutaraldehyde.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>4-Chloro-2-methylbutanoyl Chloride is a thiolactone that is used in the synthesis of dl-homocysteine. It is an environmental pollutant and can be found in the distillate from chlorinated solvents. 4-Chloro-2-methylbutanoyl Chloride reacts with chloride to form an environmentally hazardous reaction product. This chemical has been used as a medicine, but it has not been approved by the FDA for use in humans.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>4-Methyl-3-phenylpentanoic acid is a chiral, enantioselective catalyst. It is catalyzed by rhodium and used in the asymmetric synthesis of β-unsaturated amides. This reaction is an example of an esterification that is catalyzed by a chiral, enantioselective reagent. 4-Methyl-3-phenylpentanoic acid has also been shown to be effective for the synthesis of chiral esters.</p>

<p>2-Methylbenzene-1,3-dicarbaldehyde is a divalent hydrocarbon that has an oxidation catalyst. This compound is used as an intermediate in the production of drugs and pharmaceuticals. It has been shown to have cardiovascular disorders, such as vasodilatation and hypotension. The mechanism of action is not fully understood but may be related to its ability to act as a nitrovasodilator by increasing nitric oxide (NO) release. 2-Methylbenzene-1,3-dicarbaldehyde also produces psychotic disorders when long term exposure occurs. This compound has been shown to have neurotoxic effects in animal models with long term exposure.</p>

<p>Versatile small molecule scaffold</p>

<p>4-Bromo-2-chloronaphthalen-1-amine is a chemical compound that can be synthesized from acetone and chlorides. The reaction proceeds via a nucleophilic substitution reaction in which one of the chlorine atoms is replaced by an electron pair from acetone. This process occurs when the substituent on the naphthalene ring is not sterically hindered, and it is therefore necessary to use substituents that are electron donors, such as methyl or ethyl groups. 4-Bromo-2-chloronaphthalen-1-amine has been synthesized in Japan by reacting acetone with sodium chloride and bromine at high temperature and pressure. The solvent used was benzene, which was removed after the reaction was complete.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2-Benzoyl-3-phenylaziridine is a heterocyclic compound that is obtained by the condensation of benzoyl chloride and phenylamine. It is used in the synthesis of azomethine dyes, which are mainly used as textile dyes. The ammonium salt of 2-benzoyl-3-phenylaziridine can be obtained on refluxing the hydrate with thiocyanate and acetonitrile. This transformation has been shown to be dependent on pH with an optimum at pH 8.5.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>5,7-Dimethyl[1,2,4]triazolo[1,5-a]pyrimidin-2-ylhydrosulfide is a compound that is used in the synthesis of fonamide. It is a sugar with nitrification and nitrogen metabolism activity. 5,7-Dimethyl[1,2,4]triazolo[1,5-a]pyrimidin-2-ylhydrosulfide can be converted to ammonium hydroxide by reaction with hydroxide or carbon disulfide. The resulting product can be further converted to amides by an amine or ethanol. The structure of this compound is similar to that of fonamide and may have antiinflammatory properties.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>1-Azabicyclo[2.2.2]octane-3-carbonitrile (1ABOC) is a hydrolyzing antihistamine that is used to treat allergies in the eye. This drug binds to histamine H1 receptors and blocks the release of histamine from mast cells, thereby preventing allergic symptoms. 1ABOC also has anti-inflammatory properties and may be useful for treating inflammatory disorders.</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>3-(Phenylethynyl)aniline is a chemical compound that is insoluble in water and has a reactive crosslink. It is reactive with long-term exposure and has a gel permeation chromatography isolated yield. 3-(Phenylethynyl)aniline can be thermally decomposed to phenylethanethiol, which is an exothermic reaction. The technique of nmr spectroscopy can be used to study the reactivity of this compound. 3-(Phenylethynyl)aniline exhibits specific spectral features that can be used to identify it by nmr spectroscopy.</p>

<p>Versatile small molecule scaffold</p>

Chloro[(chlorocarbonyl)disulfanyl]methanone is a chemical compound that is used in the synthesis of new organic compounds. It is a substrate for cross-coupling reactions with organometallic reagents. Chloro[(chlorocarbonyl)disulfanyl]methanone reacts to form a chloroalkyl sulfide and an alkene, which can be converted into an amide or amine. The reaction mechanism involves nucleophilic attack at the sulfur atom by the metal halide, followed by elimination of chloride ion from the intermediate sulfonium salt to form the desired product. Chloro[(chlorocarbonyl)disulfanyl]methanone has been used in the synthesis of enantiopure compounds that are difficult to obtain through other methods.

<p>2-Bromo-4-isopropylaniline is a spiroindoline that was synthesized by modification of the natural product, bryostatin. The compound has shown experimental activity against encephalomyelitis in mice. However, the mechanism of action is not known. 2-Bromo-4-isopropylaniline has been found to be an activator for ethylene and can catalyze reactions involving diphosphines and ligands. It binds to phenyl substituents on the molecule and forms x-ray crystallographic structures with high resolution. Optimization of the structure may lead to more potent analogs.</p>

<p>Isothiourea is an imidazole derivative that acts as a competitive antagonist of histamine H2 receptors. It has been used in the synthesis of cimetidine and other histamine H2 receptor antagonists. Isothiourea inhibits the action of histamine on the H2 receptor by binding to it, thereby preventing its activation. This drug is a synthetic compound that can be made from chloroform and thionyl chloride. It may be synthesized in a two-step process starting with chloromethyl methyl (methylchloro)imidazole, which is reacted with hydrochloric acid to produce 5-(chloromethyl)-4-methyl-1H-imidazole hydrochloride.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>1-(4-Fluorophenyl)prop-2-en-1-one is a chalcone that has been shown to have anticancer activity. It has been shown to stabilize the response elements of the transcriptional regulatory protein NF-κB and induce apoptosis in colorectal adenocarcinoma cells. This compound is also able to inhibit cancer growth by inhibiting tumor angiogenesis and metastasis. 1-(4-Fluorophenyl)prop-2-en-1-one binds to DNA, preventing transcription and replication, which leads to cell death. 1-(4-Fluorophenyl)prop-2-en-1-one has also been found to bind withaferin A, a molecule that has been shown to have anticancer activity.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2,5-Dichloro-3,4-dinitrothiophene is a crystalline solid with a tetragonal crystal system. It has been shown to form with yields of up to 45%, depending on the solvent. The crystal structure has been determined by X-ray crystallography and it was found to be monoclinic with nitro groups interacting in a manner analogous to nitro groups. Nitration of 2,5-dichloro-3,4-dinitrothiophene has been shown to produce 2,5-dichloro-3,4-dinitrobenzene and 2,5-dichloro-3,4-dinitrophenylhydrazine.</p>

<p>N-Methyl-3-indoleglyoxylic acid 97 is a potent and selective inhibitor of protein kinases, including the mitogen activated protein kinase (MAPK) family. It has been shown to inhibit proliferation of cells in vitro. In addition, N-Methyl-3-indoleglyoxylic acid 97 inhibits the activation of MAPK in response to stress or cytokine stimulation. This agent has been shown to be selective for different isotypes of protein kinases and displays good selectivity for inhibition of the enzyme activity.</p>

<p>3,5-Bis(propan-2-yl)phenol is an organic compound that has the chemical formula C8H12O. 3,5-Bis(propan-2-yl)phenol can be synthesized from benzene and eugenol by reacting them with a strong base in a high yield. The product is an aromatic ether with a phenyl group. 3,5-Bis(propan-2-yl)phenol is toxic to artemia at concentrations of 2%. It also reacts with triisopropylbenzene to form carvacrol.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>