Building Blocks

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>4-Bromo-1-hydroxynaphthalene-2-carboxylic acid (4BHN) is a spectroscopic compound that has been used as a radioligand to study the binding of dopamine and dopamine D3 receptors. This compound binds to the d3 receptor with high affinity and specificity, but it does not interact with the d1 or d2 receptors. 4BHN has been shown to act as an agonist at the dopamine D3 receptor. It also acts as an antagonist at the piperidine site of the dopamine D2 receptor. The effects of 4BHN are reversible, which means that it can be displaced by unlabeled 4BHN or other compounds that bind to the same site on the receptor. This technique is useful for studying drug interactions and for determining whether drugs have a subtype selectivity profile.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>5-Vinylnicotinic acid methyl ester belongs to the group of antimicrobial agents. It is a chemical compound that has been shown to be effective against cervical cancer and may have potential as an anticancer drug. 5-Vinylnicotinic acid methyl ester inhibits the growth of human chorionic gonadotropin (HCG) in women, which is a hormone necessary for ovulation and pregnancy. This compound also inhibits the growth of viruses, such as herpes simplex virus type 1 (HSV-1), and bacteria, such as dittrichia sp., which causes inflammation of the throat. 5-Vinylnicotinic acid methyl ester has also been shown to inhibit protein synthesis in human osteosarcoma cells at low concentrations, but not at high concentrations.</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>2-Bromo-3,3,3-trifluoro-1-propene is a chemical compound that has been synthesized in an asymmetric reaction. The reactant is bromopropane and the product is 2,2,2-trifluoropropene. The methylene group on the propene molecule is activated by the nucleophilic attack of a fluoride ion from hydrogen fluoride to form a cavity with a highly strained bond. The kinetic study of this reaction revealed that the activation energy for the reaction is 42 kJ/mol. Palladium-catalyzed coupling reactions are catalyzed by palladium and require nonpolar solvents such as toluene or dichloromethane. This type of reaction has been shown to be exothermic with an isolated yield of 1%.</p>