- The
dienone–phenol
rearrangement is a
reaction in
organic chemistry first reported in 1921 by Karl von
Auwers and Karl Ziegler. A
common example of dienone–phenol...
- A
dienone is a
class of
organic compounds with the
general formula (R2C=CR)2C=O,
where R is any substituent, but
often H. They are
formally "derived from...
- 3,4,4,5-tetramethylcyclohexa-2,5-
dienone.
Although it is a
dienone and thus has the
necessary structure for a
dienone–phenol rearrangement, the methyl...
-
entirely in the enol form. 4,4'
Substituted cyclohexadienone can
undergo a
dienone–phenol
rearrangement in acid
conditions and form
stable 3,4‐disubstituted...
-
compound with the
formula (C6H5C)4C4C=O. It is
classified as a
cyclic dienone. It is a dark
purple to
black crystalline solid that is
soluble in organic...
- In
organic chemistry, phenols,
sometimes called phenolics, are a
class of
chemical compounds consisting of one or more
hydroxyl groups (−O H)
bonded directly...
- Award, the Karl
Ziegler Prize [de] (worth 50,000 euros)[citation needed]
Dienone–phenol
rearrangement List of
Nobel laureates in
Chemistry Nobel Lectures...
- CH3C(O)CH2C(O)CF3 CH3C(O)CH=C(OH)CF3 32
Hexafluoroacetylacetone CF3C(O)CH2C(O)CF3 CF3C(O)CH=C(OH)CF3 ~104 Cyclohexa-2,4-
dienone Phenol C6H5OH >1012...
- ("hexachlorophenol").
Hydrolysis of the
dichloromethylene group in this
dienone gives chloranil: C6H5OH + 6 Cl2 → C6Cl6O + 6 HCl C6Cl6O + H2O → C6Cl4O2...
- case at hand,
heating acetate (1) with
chloranil gives the
conjugated dienone (2), and
reaction of that
compound with
methylmagnesium bromide in the...
