-
protonation states with the same
empirical formula and
total charge.
Tautomerizations are
catalyzed by: bases,
involving a
series of steps: deprotonation...
- 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...
- at
least one alpha-hydrogen,
undergo keto-enol
tautomerization; the
tautomer is an enol.
Tautomerization is
catalyzed by both
acids and bases. Usually...
- kJ/mol:
Overall the keto-enol
tautomerization occurs slowly but is
catalyzed by acids. Photo-induced keto-enol
tautomerization is
viable under atmospheric...
-
practical importance.
Under normal conditions,
vinyl alcohol converts (
tautomerizes) to acetaldehyde: At room temperature,
acetaldehyde (H3CC(O)H) is more...
- of isomerizations, the
isomers are nonequivalent.
Examples include tautomerizations (keto-enol, lactam-lactim, amide-imidic, enamine-imine, nitroso-oxime...
-
famous application in
organic synthesis is to
utilize 15N to
monitor tautomerization equilibria in
heteroaromatics because of the
dramatic change in 15N...
- acid) is an
intermediate in the
biosynthesis of melanin.
Tautomerization of
DHICA forms dopachrome.
Pawelek JM (March 1991). "After dopachrome...
-
Aromatization is a
chemical reaction in
which an
aromatic system is
formed from a
single nonaromatic precursor.
Typically aromatization is
achieved by...
- The
bisulfite ion (IUPAC-recommended nomenclature: hydrogensulfite) is the ion HSO− 3.
Salts containing the HSO− 3 ion are also
known as "sulfite lyes"...
