Search results
Results from the WOW.Com Content Network
This latter cumene converts into cumene radical and feeds back into subsequent chain formations of cumene hydroperoxides. A pressure of 5 atm is used to ensure that the unstable peroxide is kept in liquid state. Cumene hydroperoxide undergoes a rearrangement reaction in an acidic medium (the Hock rearrangement) to give phenol and acetone. In ...
2,4,6-Tri-tert-butylphenol (2,4,6-TTBP) is a phenol symmetrically substituted with three tert-butyl groups and thus strongly sterically hindered. 2,4,6-TTBP is a readily oxidizable aromatic compound and a weak acid. It oxidizes to give the deep-blue 2,4,6-tri-tert-butylphenoxy radical.
Acetophenone is formed as a byproduct of the cumene process, the industrial route for the synthesis of phenol and acetone.In the Hock rearrangement of isopropylbenzene hydroperoxide, migration of a methyl group rather than the phenyl group gives acetophenone and methanol as a result of an alternate rearrangement of the intermediate:
Cumene (isopropylbenzene) is an organic compound that contains a benzene ring with an isopropyl substituent. It is a constituent of crude oil and refined fuels. It is a flammable colorless liquid that has a boiling point of 152 °C.
A police dog who survived a machete attack and won a bravery award has retired after six years on the job. Stark, a German shepherd, was hit and slashed more than 20 times with a machete while ...
The Biden administration on Tuesday announced new sanctions against Russians accused of producing a bogus video spreading sexual assault allegations against Democratic vice presidential candidate ...
cumene – isopropylbenzene; a feedstock in the cumene process. phenol – hydroxybenzene; often made by the cumene process; acetone – dimethyl ketone; also often made by the cumene process; bisphenol A – a type of "double" phenol used in polymerization in epoxy resins and making a common type of polycarbonate
One’s biological age, which measures the body’s physiological state, may help predict who is at risk for developing colon polyps, a known risk factor for colorectal cancer.