-
called tautomerization. This
conversion commonly results from the
relocation of a
hydrogen atom
within the compound. The
phenomenon of
tautomerization is...
-
practical importance.
Under normal conditions,
vinyl alcohol converts (
tautomerizes) to acetaldehyde: At room temperature,
acetaldehyde (H3CC(O)H) is more...
- kJ/mol:
Overall the keto-enol
tautomerization occurs slowly but is
catalyzed by acids. Photo-induced keto-enol
tautomerization is
viable under atmospheric...
- at
least one alpha-hydrogen,
undergo keto-enol
tautomerization; the
tautomer is an enol.
Tautomerization is
catalyzed by both
acids and bases. Usually...
- group, and the ketoses,
which have a
ketone group.
Ketoses must
first tautomerize to
aldoses before they can act as
reducing sugars. The
common dietary...
-
aldehydes and
ketones along with some alpha-hydroxy
ketones which can
tautomerize into aldehydes. The
reagent consists of a
solution of
silver nitrate...
- activity. All
monosaccharide ketoses are
reducing sugars,
because they can
tautomerize into
aldoses via an
enediol intermediate, and the
resulting aldehyde...
- tautomerism,
although this name is
often more
generally applied to all such
tautomerizations.
Usually the
equilibrium constant is so
small that the enol is undetectable...
- compounds,
forming azanone.
RCOOH + HNNH →
RCNHOH + HNO
Imidic acids tautomerize to
amides by a
hydrogen shift from the
oxygen to the
nitrogen atom. Amides...
-
triple bond (C≡C−OH), the triple-bond
analogues to enols.
Ynols can
tautomerize to ketenes. The
deprotonated anions of
ynols are
known as ynolates, the...
