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Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH 3) 2 S O. This colorless liquid is the sulfoxide most widely used commercially. It is an important polar aprotic solvent that dissolves both polar and nonpolar compounds and is miscible in a wide range of organic solvents as well as water. It has a relatively high ...
Deuterated DMSO, also known as dimethyl sulfoxide-d 6, is an isotopologue of dimethyl sulfoxide (DMSO, (CH 3) 2 S=O)) with chemical formula ((CD 3) 2 S=O) in which the hydrogen atoms ("H") are replaced with their isotope deuterium ("D"). Deuterated DMSO is a common solvent used in NMR spectroscopy.
vapor pressure at 20 °C = 0.556 mbar = 0.417 mmHg [2] log 10 of dimethyl sulfoxide vapor pressure. Uses formula ...
The sulfonium oxidations can be categorized into two groups: The methods discovered earliest rely on activated alcohols like alkyl tosylates (Kornblum oxidation) [2] or alkyl chloroformates (from reaction of alcohols with phosgene: Barton-Kornblum) [3] that react as electrophiles when treated with DMSO, liberating an oxygenated leaving group (e.g. OTs−).
The following figure shows the reaction mechanism: [2] Reaktionsmechanismus Albright-Goldman-Oxidation. First, dimethyl sulfoxide (1) reacts with acetic anhydride to form a sulfonium ion. It reacts with the primary alcohol in an addition reaction. Furthermore, acetic acid is cleaved, so that intermediate 2 is formed. The latter reacts upon ...
On a global level, researchers found that 2.2 million new cases of type 2 diabetes and 1.2 million new cases of heart disease in 2020 were attributable to SSBs—representing about 1 in 10 new ...
Most claims about the dangers of seed oils tend to focus at least in part on inflammation — more specifically, that seed oils contain large amounts of omega-6s relative to omega-3s.
The Parikh–Doering oxidation is an oxidation reaction that transforms primary and secondary alcohols into aldehydes and ketones, respectively. [1] The procedure uses dimethyl sulfoxide (DMSO) as the oxidant and the solvent, activated by the sulfur trioxide pyridine complex (SO 3 •C 5 H 5 N) in the presence of triethylamine or diisopropylethylamine as base.