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Acetophenone is the organic compound with the formula C 6 H 5 C(O)CH 3. ... but reduction step is performed by hydrogenation over a copper chromite catalyst: [2]
Reductive amination acetophenone ammonia Additionally, many systems catalyze reductive aminations with hydrogenation catalysts. [ 15 ] Generally, catalysis is preferred to stoichiometric reactions as they may improve reaction efficiency and atom economy, and produce less waste. [ 16 ]
Asymmetric hydrogenation of acetophenone by Noyori catalysts proceeds quantitatively (50 atm H 2, room temperature, minutes) in >99% e.e. [9] The organic oxidising agent ethylbenzene hydroperoxide yields 1-phenylethanol when reduced.
A saturated compound is a chemical compound (or ion) that resists addition reactions, such as hydrogenation, oxidative addition, and binding of a Lewis base. The term is used in many contexts and for many classes of chemical compounds. Overall, saturated compounds are less reactive than unsaturated compounds.
The Dakin oxidation. The Dakin oxidation (or Dakin reaction) is an organic redox reaction in which an ortho- or para-hydroxylated phenyl aldehyde (2-hydroxybenzaldehyde or 4-hydroxybenzaldehyde) or ketone reacts with hydrogen peroxide (H 2 O 2) in base to form a benzenediol and a carboxylate.
The Birch reduction is an organic reaction that is used to convert arenes to 1,4-cyclohexadienes.The reaction is named after the Australian chemist Arthur Birch and involves the organic reduction of aromatic rings in an amine solvent (traditionally liquid ammonia) with an alkali metal (traditionally sodium) and a proton source (traditionally an alcohol).
In asymmetric hydrogenation iridium complexes of phosphinooxazolines catalyse 'classic' hydrogenation. [17] Related ruthenium and palladium catalysts effect transfer hydrogenation . [ 1 ] In addition to theoretical studies, [ 18 ] the structural [ 19 ] and kinetic properties [ 20 ]
Catalytic hydrogenation using platinum(IV) oxide (PtO 2) [23] or Raney nickel [24] Iron metal in refluxing acetic acid [25] Samarium diiodide [26] Raney nickel, platinum on carbon, or zinc dust and formic acid or ammonium formate [6] α,β-Unsaturated nitro compounds can be reduced to saturated amines by: Catalytic hydrogenation over palladium ...