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Most famously, at least in the classroom, pinacolone arises by the pinacol rearrangement, which occurs by protonation of pinacol (2,3-dimethylbutane-2,3-diol). [ 4 ] Industrially pinacolone is made by the hydrolysis of 4,4,5-trimethyl-1,3- dioxane , which is the product of isoprene and formaldehyde via the Prins reaction .
Pinacol is a branched alcohol which finds use in organic syntheses. It is a diol that has hydroxyl groups on vicinal carbon atoms. A white solid that melts just above room temperature, pinacol is notable for undergoing the pinacol rearrangement in the presence of acid and for being the namesake of the pinacol coupling reaction.
2,3-Dimethylbutane Skeletal formula of 2,3-dimethylbutane with some implicit hydrogens shown: ... 662 mg mL −1: Melting point: −136 to −124 °C; −213 to − ...
Pinacolyl alcohol (also known as 3,3-dimethylbutan-2-ol and as pine alcohol) is one of the isomeric hexanols and a secondary alcohol. Pinacolyl alcohol appears on the List of Schedule 2 substances of the Chemical Weapons Convention as a precursor for the nerve agent soman .
Another example is propane-1,2-diol, or alpha propylene glycol, HO−CH 2 −CH(OH)−CH 3, used in the food and medicine industry, as well as a relatively non-poisonous antifreeze product. On commercial scales, the main route to vicinal diols is the hydrolysis of epoxides .
DMB inhibits microbial trimethylamine (TMA) formation in mice and in human feces, thereby reducing plasma trimethylamine N-oxide (TMAO) levels after choline or carnitine supplementation. [1] It consequently inhibited choline-enhanced endogenous macrophage foam cell formation and atherosclerotic lesion development in mice without alterations in ...
Dimethylbutadiene, formally referred to as 2,3-dimethyl-1,3-butadiene, is an organic compound with the formula (CH 3) 2 C 4 H 4. It is colorless liquid which served an important role in the early history of synthetic rubber. It is now a specialty reagent.
2,2-Dimethylbutane; 2,3-Dimethylbutane; See also. Dimethylbutanol This page was last edited on 1 April 2021, at 21:29 (UTC). Text is available under the ...