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>2,2-Dimethylcyclopropane-1-carbonyl chloride is a diastereomeric mixture of two diastereoisomers. It is soluble in chloroform and diethyl ether and crystallizes from acetone. 2,2-Dimethylcyclopropane-1-carbonyl chloride is used as a feedstock to produce cyhalothrin, an insecticide that acts by contact. The insecticide is made by esterification of the 2,2-dimethylcyclopropane-1-carbonyl chloride with 3-phenoxybenzaldehyde and then chlorination of the ester.<br>A mixture of two diastereoisomers can be separated using chromatography techniques such as gas chromatography or high performance liquid chromatography (HPLC). In this case it would be possible to use HPLC to separate the two diastereoisomers.</p>

<p>Versatile small molecule scaffold</p>

<p>4-Bromo-1-napthaldehyde is a chemical compound that belongs to the group of formyl compounds. It has a formyl group, which can be easily alkylated. 4-Bromo-1-napthaldehyde has been used in the industrial preparation of pharmaceuticals and agrochemicals as well as in the synthesis of other compounds. This molecule can be synthesized by reacting formic acid with bromine and sodium hydroxide. In some cases, this reaction may require heating at higher temperatures or using more than one equivalent of sodium hydroxide. The efficiency and reaction time depend on the technique used to perform the synthesis, such as Grignard reagent or hybridization.</p>

<p>Ethyl 3-(2-bromophenyl)-3-oxopropanoate is an ester that has been synthesized by condensation and transesterification of ethyl diazoacetate with benzylic alcohols. Zeolites have been used as catalysts in the synthesis of this compound. The yields obtained were 74%.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Methyl 3-methylpent-2-enoate is an organic compound. It is used in the preparation of flavorings, fragrances, and pharmaceuticals. It also has a number of practical applications in the food industry, such as as a flavoring agent for salad dressings, mayonnaise, and soups. Methyl 3-methylpent-2-enoate can be prepared by the reaction of isoeugenol with methanol and sodium methoxide in an aqueous solution at room temperature. The methyl ester is then hydrolyzed with hydrochloric acid to produce methyl 3-methylpentanoate which can be purified by distillation and recrystallized from ethanol.</p>

<p>4-Bromo-2-chloro-1-methoxybenzene is a chemical that has been shown to inhibit the growth of fungi through several different pathways. It inhibits the production of the polychlorinated phenols, chlorpyrifos, and paraoxon in humans. In addition, 4-bromo-2-chloro-1-methoxybenzene can potentially be used as an anti-fungal agent against Aspergillus and other fungus.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>6-Bromopyridine-2-carboxamide is a dibenzazepine and an azacycle. It is used to study its affinity for the dopamine receptors, sodium channels, and histamine receptors. 6-Bromopyridine-2-carboxamide has been shown to block histamine receptors in the rat brain. This drug also has affinity for sodium channels and blocks them at lower concentrations than other drugs. Functional assays have demonstrated that 6-bromopyridine-2-carboxamide is a functional blocker of the ion channel receptor in human erythrocytes.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>