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>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>Naphthalene-2-carboximidamide is a benzamidine derivative that interacts with the active site of serine proteases. It was shown to have potent inhibitory potency against a number of proteinases, including urokinase-type plasminogen activator (uPA), matrix metalloproteinase-9 (MMP-9), and cathepsin G. The interaction of naphthalene-2-carboximidamide with uPA was specific and led to inhibition of its catalytic activity. Naphthalene-2-carboximidamide has been tested in clinical trials for the treatment of influenza.</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>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>2-Ethynyl-4-methylthiazole is a cell-based kinase inhibitor that binds to the ATP binding site on the enzyme and inhibits phosphorylation. It was shown to inhibit cell growth in vitro by interfering with the production of TGF-β, activin, and other growth factors. The inhibitory activity of 2-Ethynyl-4-methylthiazole is selective for receptor kinases and is not effective against alk5 kinase. This drug has been shown to be an inhibitor of cellular growth in vitro and may be useful for the treatment of cancer.</p>

<p>Dicyclohexylmethanol is a trifunctional compound that contains a hydroxyl group, and can be used as a hydrogen bond donor or acceptor. The chemical structure of dicyclohexylmethanol can be seen in the figure below. Dicyclohexylmethanol has been used for sample preparation for hydrogen chloride gas. It has also been used to determine the concentration of blood ethanol levels and to measure blood pH in humans. Dicyclohexylmethanol is an important reactant in asymmetric synthesis reactions due to its ability to form hydrogen bonds with both reactants.</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>4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine is a reactive and labile compound that has been shown to inhibit the nuclear factor kappa B (NF-κB). It is an analog of 2,4,6,-trichlorophenyl-1,3,5-triazine. 4,6-Dichloro-N-phenylsulfonyl triazin-2 amine is a chlorinated derivative of 4,6 dichloro triazin 2 amine. The chlorine atom in the molecule may be replaced with a cyanuric or chloride group. This chemical compound is used in dyestuffs and as a precursor for other chemicals. The effect varies depending on the dose administered.</p>

<p>PB-22 is a synthetic cannabinoid, which can be classified as a CB1 receptor agonist. It is one of the many cannabinoids that have been created in an attempt to circumvent drug laws by creating compounds that are similar to those found in cannabis but have different chemical structures. PB-22 has shown to increase locomotor activity and stimulate the cb1 receptor in mice. Magnetic resonance spectroscopy (MRS) and assays were used to determine the binding affinity of PB-22 for the CB1 receptor. The MRS data showed that PB-22 bound with high affinity to the CB1 receptor and had a lower affinity for CB2 receptors. This suggests that PB-22 may be more potent than other synthetic cannabinoids, such as JWH-018 and CP 55,940, which bind better with CB2 receptors than CB1 receptors.<br>PB-22 is an analog of JWH-073 and has been shown to have a stronger effect on locomotor activity than JWH</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2-Cyano-5-fluorophenol is an organic compound that is used as a precursor to medicines and other chemicals. It reacts with calcium hydroxide in water to form 2-cyano-5-hydroxyfluorobenzene, which can be hydrolyzed to form 2-cyano-5-chlorofluorobenzene. This compound can also react with sodium hydroxide to produce sodium cyanate, which can be hydrolyzed to form sodium chloride and hydrogen cyanide gas. The alkali metal ions are needed for this reaction, which is why the product should not be exposed to water or moisture. 2-Cyano-5-fluorophenol has been shown to have liquid crystal properties and is used in the production of certain types of polymers. 2Cyano-5Fluorophenol crystals are also used in some medicines such as acetaminophen (paracetamol).</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>

<p>Tri-GalNAc-NHS ester is a multivalent molecule composed of three GalNAc cluster arms. It is a protein degrader and a ligand of the asialoglycoprotein receptor (ASGPR) used for the development of targeted therapies for liver diseases. The GalNAc arms enable high-affinity binding to the ASGPR on hepatocyte surfaces. The crucial functional group, N-hydroxysuccinimide (NHS) ester, is known for its ease of conjugation with various biomolecules possessing amine (NH2) groups. This biocompatible reaction strategy allows the design and development of targeted conjugates such as drug-GalNAc conjugates, siRNA delivery vehicles, or probes for ASGPR imaging in the liver.</p>