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The Curtius rearrangement (or Curtius reaction or Curtius degradation ), first defined by Theodor Curtius in 1885, is the thermal decomposition of an acyl azide to an isocyanate with loss of nitrogen gas. [ 1][ 2] The isocyanate then undergoes attack by a variety of nucleophiles such as water, alcohols and amines, to yield a primary amine ...
Chemically, PCP is a member of the arylcyclohexylamine class, and pharmacologically, it is a dissociative anesthetic. [ 5][ 10][ 11] PCP works primarily as an NMDA receptor antagonist. [ 10] PCP is most commonly used in the United States. [ 12] While usage peaked in the US in the 1970s, [ 13] between 2005 and 2011 an increase in visits to ...
Cyclohexylamine is used as an intermediate in synthesis of other organic compounds. It is the precursor to sulfenamide -based reagents used as accelerators for vulcanization. The amine itself is an effective corrosion inhibitor. It has been used as a flushing aid in the printing ink industry. [ 5]
The mechanism of ammonia synthesis contains the following seven elementary steps: transport of the reactants from the gas phase through the boundary layer to the surface of the catalyst. pore diffusion to the reaction center; adsorption of reactants; reaction; desorption of product; transport of the product through the pore system back to the ...
Condensation reaction. In organic chemistry, a condensation reaction is a type of chemical reaction in which two molecules are combined to form a single molecule, usually with the loss of a small molecule such as water. [ 1] If water is lost, the reaction is also known as a dehydration synthesis. However other molecules can also be lost, such ...
beckmann-rearrangement. RSC ontology ID. RXNO:0000026. The Beckmann rearrangement, named after the German chemist Ernst Otto Beckmann (1853–1923), is a rearrangement of an oxime functional group to substituted amides. [ 1][ 2] The rearrangement has also been successfully performed on haloimines and nitrones. Cyclic oximes and haloimines yield ...
The Sabatier reaction or Sabatier process produces methane and water from a reaction of hydrogen with carbon dioxide at elevated temperatures (optimally 300–400 °C) and pressures (perhaps 3 MPa [ 1]) in the presence of a nickel catalyst. It was discovered by the French chemists Paul Sabatier and Jean-Baptiste Senderens in 1897.
A Knoevenagel condensation is a nucleophilic addition of an active hydrogen compound to a carbonyl group followed by a dehydration reaction in which a molecule of water is eliminated (hence condensation). The product is often an α,β-unsaturated ketone (a conjugated enone). General Knoevenagel layout