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Cyclohexanone is produced by the oxidation of cyclohexane in air, typically using cobalt catalysts: [11]. C 6 H 12 + O 2 → (CH 2) 5 CO + H 2 O. This process forms cyclohexanol as a by-product, and this mixture, called "KA Oil" for ketone-alcohol oil, is the main feedstock for the production of adipic acid.
Cycloheptanone is also produced by the reaction of cyclohexanone with sodium ethoxide and nitromethane. The resulting sodium salt of 1-(nitromethyl)cyclohexanol is added to acetic acid and shaken with hydrogen gas in the presence of W-4 Raney nickel catalyst. Sodium nitrite and acetic acid are then added to give cycloheptanone. [5]
First, kinetic studies of reactions between diazomethane and various ketones have shown that the overall reaction follows second order kinetics. [7] Additionally, the reactivity of two series of ketones are in the orders Cl 3 CCOCH 3 > CH 3 COCH 3 > C 6 H 5 COCH 3 and cyclohexanone > cyclopentanone > cycloheptanone > cyclooctanone.
In organic chemistry, a ketone / ˈ k iː t oʊ n / is an organic compound with the structure R−C(=O)−R', where R and R' can be a variety of carbon-containing substituents. Ketones contain a carbonyl group −C(=O)− (a carbon-oxygen double bond C=O). The simplest ketone is acetone (where R and R' are methyl), with the formula (CH 3) 2 CO ...
Cyclohexanone monooxygenase is one of the most prominent Baeyer-Villiger monooxygenases (BVMOs) and has a low substrate specificity, allowing it to catalyze a number of reactions; given the variety of substrates, cyclohexanone monooxygenase is a useful enzyme for industrial applications.
Clemmensen reduction is a chemical reaction described as a reduction of ketones or aldehydes to alkanes using zinc amalgam and concentrated hydrochloric acid (HCl). [1] [2] This reaction is named after Erik Christian Clemmensen, a Danish-American chemist. [3] Scheme 1: Reaction scheme of Clemmensen Reduction.
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Exogenous ketones are a class of ketone bodies that are ingested using nutritional supplements or foods. This class of ketone bodies refers mainly to β-hydroxybutyrate [BHB] . [ 1 ] The body can make BHB endogenously, via the liver, due to starvation, ketogenic diets , or prolonged exercise, leading to ketosis . [ 2 ]