Building Blocks

<p>Versatile small molecule scaffold</p>

<p>6-Hydroxyquinazolin-4(1H)-one is a potent inhibitor of the tyrosine kinase, which blocks the growth of cancer cells and tumor progression. It has been shown to inhibit the growth of human esophageal cancer cells in vitro and in vivo. 6-Hydroxyquinazolin-4(1H)-one inhibits the activity of EGFR tyrosine kinase in these cells. This drug also inhibits the cell proliferation induced by lapatinib, a drug that blocks the activity of HER2 protein tyrosine kinase. 6-Hydroxyquinazolin-4(1H)-one is an inhibitor that belongs to the class of dithiocarbamic compounds. It competitively binds to metal ions such as zinc or copper, which are necessary for enzyme activity. In addition, it inhibits cancer cell growth by inhibition of protein synthesis through interference with ribosomes and RNA polymerases.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>tert-Butyl-N-methylcarbamate is an amine that is used in the preparation of styrene. It is a ligand and can be used as a sodium hydrogen amide in an amination reaction. The tert-butyl group can be replaced with other substituents, such as carboxylic acid, ester, or nitrile to produce different functionalities. Tert-butyl-N-methylcarbamate is also used to prepare nicotine from hydrogen sulfate.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2H-Pyrido[1,2-a]pyrimidin-2-one is an acetylcholine antagonist that binds to nicotinic acetylcholine receptors. It has potent antitumor activity and inhibits the growth of lepidoptera larvae. 2H-Pyrido[1,2-a]pyrimidin-2-one also has antibacterial properties. It is a synthetic compound that has been shown to inhibit gram negative bacteria such as Escherichia coli and Pseudomonas aeruginosa. 2H-Pyrido[1,2-a]pyrimidin-2-one also inhibits the growth of insect larvae by binding nicotinic acetylcholine receptors in the insect's nervous system. This leads to paralysis and death.</p>

<p>Versatile small molecule scaffold</p>

<p>5-methoxy-1-methylindoline-2,3-dione is a synthetic compound that belongs to the class of oxidants. It is an intramolecular oxygen source that is enantioselective and has been shown to be an effective reagent for oxidation of carboxylic acids. 5-Methoxy-1-methylindoline-2,3-dione has been used in aerobic reactions to produce isatins from oxindoles. The yields of this reaction are high and the products are obtained in good purity.</p>

<p>Azatricyclo[6.3.1.0,4,12]dodeca-4,6,8(12)-trien-2-one (ATC) is a synthetic compound that has been shown to have anti-inflammatory and antipsychotic effects. It also has been shown to be an effective antidepressant drug in the treatment of chronic kidney disease. ATC binds to the nitric oxide synthase protein to inhibit its catalytic activity and reduce nitric oxide production, which is associated with inflammation and pain. In addition, ATC has been found to decrease glutamate release by inhibiting glutamate receptors in the brain and induce apoptosis in cancer cells.<br>ATC is a heterocycle with a bicyclic structure consisting of two six-membered rings fused together with an eight-membered ring attached at one end.</p>

Versatile small molecule scaffold

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>8-(4-Benzenesulfonylamino)quinoline is an anti-diabetic agent that inhibits the release of glucose from liver cells. It has been shown to be effective in hamsters with alloxan-induced diabetes. 8-(4-Benzenesulfonylamino)quinoline blocks the production of glucose by inhibiting the activity of pancreatic beta cells, which produce insulin and secrete it into the bloodstream. The drug binds specifically to these cells and prevents insulin secretion, thereby decreasing blood glucose levels. This agent can also interact with ascorbate (vitamin C), an extractant used to purify 8-(4-benzenesulfonylamino)quinoline, forming hydrogen peroxide (H2O2). The H2O2 formed may cause some damage to animal tissues when used for extraction purposes.</p>

<p>Versatile small molecule scaffold</p>

Versatile small molecule scaffold

<p>3-Aminobenzanilide is a reactive chemical substance that belongs to the class of amides. It is a hydrochloride salt, which is soluble in water and has the ability to form an amide bond with a variety of compounds. 3-Aminobenzanilide reacts with hydrochloric acid to create photochemical properties. The reactivity can be decreased by adding an amine to the molecule or by substituting it with chloride ions. 3-Aminobenzanilide has been shown to have lipid-lowering effects and may be used as a drug for this purpose. It also inhibits tyrosine kinase activity and may be used for this purpose as well. 3-Aminobenzanilide is found in anilines, which are chemicals that are usually made from benzene and ammonia. This compound can also be used as a model system for other molecules that contain nitro groups, such as nitroglycerin.</p>

<p>5-tert-Butyl-2-hydroxybenzoic acid (5BHB) is a synthetic, hydrophobic and polyvalent compound that can reversibly activate xenobiotic metabolizing enzymes. 5BHB has been shown to induce CYP1A2 activity in human liver cells, as well as increase the activity of other xenobiotic metabolizing enzymes such as CYP3A4, CYP2D6, and CYP2C19. This activation occurs through the direct binding of 5BHB to nuclear receptors, which are proteins embedded within the cell membrane that bind with specific hormones or other molecules. A cavity within the receptor binds with the hydrophobic 5BHB molecule. The activation of these enzymes leads to increased metabolism of foreign compounds in the body and may be beneficial in reducing drug toxicity.</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>1-(2-Hydroxy-4,6-dimethylphenyl)ethan-1-one is an experimental molecule that is a hydrogen bond acceptor. It has a C3v conformation with the H atom in the hydroxymethyl group in a trans position and the methyl group on the opposite side of the ring. The experimentally determined frequencies for this molecule are in good agreement with those predicted by theory. This molecule has been observed to have a conformational change when it is protonated or deprotonated. In addition, this molecule can be used as an intermediate for polyhalogenating benzonitrile derivatives and carboxylic acids.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>3-Acetyl-4,6-dimethyl-1,2-dihydropyridin-2-one is an organic compound with the chemical formula CHNO. It is a white crystalline solid that is soluble in water and polar organic solvents. The molecule features a cyclic amide group that can be cleaved to give three equivalents of ammonia. This acid has been shown to react with morpholine to form an acidic, basic isomeric mixture of 3-(morpholinomethyl)pyridine (3MP). The structure of the 3MP was determined by x-ray structural analysis and found to have a similar structure to pyridine.</p>

<p>Versatile small molecule scaffold</p>

<p>Cyclohexyl methanesulfonate is a synthetic compound that acts as an inhibitor of the CCR5 receptor. It blocks the binding of HIV-1 to cells and prevents infection. Cyclohexyl methanesulfonate has been shown to be effective in preventing inflammatory diseases, such as Crohn's disease, and autoimmune diseases such as type 1 diabetes mellitus. Cyclohexyl methanesulfonate is a low-energy radical that can be synthesized using hydrochloric acid or sodium carbonate in the presence of trifluoroacetic acid. The synthesis requires a hydroxybenzoic acid and a trifluoromethanesulfonic acid for the formation of cyclohexane.</p>

<p>Versatile small molecule scaffold</p>

<p>4-Acetyl-1H-pyrrole-2-carboxaldehyde is a molecule that can be used to regulate proton transfer. It has been shown to have a photophysical effect, in which it absorbs light and transfers the energy to a nearby acceptor. 4-Acetyl-1H-pyrrole-2-carboxaldehyde also facilitates the transfer of protons from one compound to another. The thermodynamics of this reaction are dependent on substituent effects as well as pyrazole ring geometry. 4-Acetyl-1H-pyrrole-2-carboxaldehyde is able to undergo Friedel–Crafts reactions, where it forms an ethoxycarbonyl group by attacking a double bond with carbon monoxide and hydrogen chloride. This can be done in two ways: the dihedral or syn orientation, which results in different products.</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>Rac-1-phenylcyclobutane-1-carboxylic acid is a carbanion that contains a cyclopropylcarbinyl group. It can be prepared by the reaction of ketones with lithium diisopropylamide. Rac-1-phenylcyclobutane-1-carboxylic acid is used as an intermediate in the synthesis of drugs such as ampicillin and erythromycin.</p>

<p>Versatile small molecule scaffold</p>

<p>3-Oxo-1-cyclohexanecarboxylic acid is a structural isomer of cyclohexanecarboxylic acid. It is a white crystalline solid that can react with monoxide to form 3-oxocyclohexane carboxylic acid or with chlorine to form 3-chlorocyclohexane carboxylic acid. The reaction rate and regioselectivity are dependent on the catalyst used. With catalytic amounts of copper and air, 3-oxocyclohexane carboxylic acid is formed preferentially, but when using an excess of copper, the chlorinated product is obtained in higher yields. This reaction occurs because the orthoformic carbon atom has a greater electron density than the meta formic carbon atom. The reaction mechanism begins with oxidation of the metal to form a metal oxide which then reacts with CO to produce CO2 and H2O.</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>