Building Blocks

<p>2-Methylene-1,3-dioxepane is a biodegradable polymer that is used in the production of polyesters for use in film and packaging. It is synthesized by cationic polymerization, which involves the formation of ester linkages. 2-Methylene-1,3-dioxepane has been shown to be biocompatible in cell culture and can be used as a growth factor for tissue engineering. The melting point of this polymer is dependent on the molecular weight and it undergoes phase transition at temperatures around 130°C. This polymer degrades through hydrolysis when exposed to alkali or hydrogen chloride.2-Methylene-1,3-dioxepane has been observed to have an FTIR spectrum containing carbonyl absorption bands at 1710 cm−1 and 1650 cm−1. This material also displays a 13C NMR spectrum with peaks at -18 ppm and -7 ppm</p>

<p>Versatile small molecule scaffold</p>

<p>2-(Naphthalen-2-ylformamido)acetic acid (Nafamid) is a toxic agent that can be used to induce experimental diabetes in animals. Nafamid is metabolized to benzoate and then to chloride, which can be detected in urine. Chromatographic experiments showed that Nafamid was not metabolized by rats or mice, but was eliminated as the mercapturic acid (MNA) and mercapturic acid glucuronide (MAG). MNA has been isolated from urine samples of rats injected with Nafamid. The metabolic pathways for Nafamid are the same for animals and humans.</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>Iodomethyl methyl carbonate is a carbapenem antibiotic that has been shown to have anti-influenza activity. It inhibits the cap-dependent endonuclease of the influenza virus, which prevents viral replication and release of new viruses. Iodomethyl methyl carbonate also inhibits the HIV integrase enzyme and may be used as an inhibitor for the treatment of HIV infection. This compound has antibacterial activity against bacteria that contain metallo-β-lactamase, such as Enterobacteriaceae. Iodomethyl methyl carbonate is stable in organic solvents, making it useful for chemical reactions.</p>

<p>Versatile small molecule scaffold</p>

<p>4-Chloroquinoline-3-carbonitrile is an intermediate in the synthesis of the tyrosine kinase inhibitor pelitinib and the process for its synthesis has been described. The synthetic process starts from acetonitrile, which reacts with nitrous acid to produce 4-chloroquinoline-3-carbonitrile. The next stage involves the reaction of 4-chloroquinoline-3-carbonitrile with ethyl acetate in the presence of a catalyst to produce 2-(4'-chlorophenyl)ethyl acetate. This compound can then be reacted with phenylethylamine to form (2E)-N-[2-(4'-chlorophenyl)ethyl]-N-(2,6-dimethoxyphenyl)acrylamide, which is a key intermediate in the synthesis of pelitinib.</p>

<p>Versatile small molecule scaffold</p>

<p>2,4-Dichloroquinoline-3-carbonitrile is a nitrosourea compound that inhibits cancer cells. It is activated by the addition of a reducing agent such as triethyl orthoformate and then reacts with an amine to form the corresponding N,N'-dichloroquinoline. The product of this reaction inhibits cancer cells by binding to DNA and inhibiting RNA synthesis. 2,4-Dichloroquinoline-3-carbonitrile has been shown to be effective against leukemia cells in vitro.</p>