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A variety of organic reactions employ acetone as a polar, aprotic solvent, e.g. the Jones oxidation. Because acetone is cheap, volatile, and dissolves or decomposes with most laboratory chemicals, an acetone rinse is the standard technique to remove solid residues from laboratory glassware before a final wash. [66]
Here it is used in order to perform the crossed condensation between acetone and cyclohexanone. [3] The deprotonation step using LDA is so fast that the enolate formed never gets a chance to react with any unreacted molecules of cyclohexanone. Then the enolate reacts quickly with acetone.
They will also undergo [2+2] cycloaddition reactions with electron-rich alkynes to form cyclobutenones, or carbonyl groups to form beta-lactones. With imines, beta-lactams are formed. This is the Staudinger synthesis, a facile route to this important class of compounds. With acetone, ketene reacts to give isopropenyl acetate. [1]
Both flasks are submerged in a dry ice/acetone cooling bath (−78 °C) the temperature of which is being monitored by a thermocouple (the wire on the left). A cooling bath or ice bath , in laboratory chemistry practice, is a liquid mixture which is used to maintain low temperatures, typically between 13 °C and −196 °C.
His interest in coumarins, a recently isolated compound at the time, led Bargellini to experiment with multi-component reactions (MCRs) between phenols, chloroform, and acetone in a solution of a sodium hydroxide. He discovered the structure given to the compound produced a carboxylic acid instead of a phenol as previously thought.
Acetone is a chemical used to remove nail polish from your nails or as a household cleaner. It also occurs naturally in your body, facilitating ketosis. Uses and Benefits of Acetone
The reaction is named after pinacol (also known as 2,3-dimethyl-2,3-butanediol or tetramethylethylene glycol), which is the product of this reaction when done with acetone as reagent. The reaction is usually a homocoupling but intramolecular cross-coupling reactions are also possible. Pinacol was discovered by Wilhelm Rudolph Fittig in 1859.
Alcohol oxidation is a collection of oxidation reactions in organic chemistry that convert alcohols to aldehydes, ketones, carboxylic acids, and esters. The reaction mainly applies to primary and secondary alcohols. Secondary alcohols form ketones, while primary alcohols form aldehydes or carboxylic acids. [1] A variety of oxidants can be used.