-
called tautomerization. This
conversion commonly results from the
relocation of a
hydrogen atom
within the compound. The
phenomenon of
tautomerization is...
- 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...
- 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...
- activity. All
monosaccharide ketoses are
reducing sugars,
because they can
tautomerize into
aldoses via an
enediol intermediate, and the
resulting aldehyde...
- 900 °C and low pressure.
Under normal conditions,
vinyl alcohol converts (
tautomerizes) to acetaldehyde: At room temperature,
acetaldehyde (H3CC(O)H) is more...
- 6-positions.
Dihydropyridines are enamines,
which otherwise tend to
tautomerize or hydrolyze.[citation needed] The
dominant reaction of dihydropyridines...
- 2-hydroxyquinolines (B) and 4-hydroxyquinolines (A) as shown. The
hydroxyquinolines tautomerize to the quinolones. Andriole, VT The Quinolones.
Academic Press, 1989...
- compounds, the
protons on the α-carbon are
labile due to keto–enol
tautomerization. Thus, the α-carbon is
easily halogenated in the ****–Volhard–Zelinsky...
- at
least one alpha-hydrogen,
undergo keto-enol
tautomerization; the
tautomer is an enol.
Tautomerization is
catalyzed by both
acids and bases. Usually...
- compounds,
forming azanone.
RCOOH + HNNH →
RCNHOH + HNO
Imidic acids tautomerize to
amides by a
hydrogen shift from the
oxygen to the
nitrogen atom. Amides...