Building Blocks

<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>Versatile small molecule scaffold</p>

<p>Miltefosine is a cell-toxic agent that is used to treat leishmaniasis. Miltefosine has been shown to be active against the promastigotes and intracellular amastigotes of Leishmania infantum. It also has antileishmanial activity against L. major, L. tropica, and L. mexicana, as well as against the human parasite Leishmania donovani. Miltefosine is an analog of 2-(hexyloxy)ethanol that can be conjugated with a variety of functional groups for use in drug delivery systems, such as liposomes and polymeric micelles. This agent exhibits hemolytic activity when introduced into erythrocytes in vitro, which may be due to its ability to inhibit protein synthesis at the ribosome level by binding to the 50S subunit of the ribosome's large subunit and inhibiting peptide</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-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>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>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>