Building Blocks

<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-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>Versatile small molecule scaffold</p>

<p>2-Amino-4H,5H-naphtho[2,1-b]thiophene-1-carbonitrile is a dihydronaphthalene compound that has been shown to be active against influenza viruses. It inhibits the virus by binding to the pyrimidine ring of the virus's RNA polymerase. This inhibits viral replication and reduces plaque formation. 2-Amino-4H,5H-naphtho[2,1-b]thiophene-1-carbonitrile has antiviral activity against influenza A and is effective in inhibiting h5n1 virus replication.</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>4-Chloro-2-methyl-5-nitroaniline is an organic compound with the chemical formula C6H4ClNO2. It is a nitro derivative of aniline. 4-Chloro-2-methyl-5-nitroaniline is a white solid that is soluble in water, alcohols, and ethers. It has a melting point around 206 °C and decomposes at temperatures over 350 °C. This compound can be obtained by reacting hydroxylamine with nitrous acid and chlorinating 2,5-dimethylaniline. The sequence of reactions can be summarized as follows: hydroxy group to nitro group, nitro group to methyl group, methyl group to acetyl or acetylamino, acetyl or acetylamino to acetylation or methylation, transformation from hydroxyl group to amino group and esterification from acid hydrazide to acid group.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>