-
should be
taken not to
confuse tautomers with
depictions of "contributing structures" in
chemical resonance.
Tautomers are
distinct chemical species that...
- the
reorganisation of
bonding electrons. The keto and enol
forms are
tautomers of each other.
Organic esters, ketones, and
aldehydes with an α-hydrogen...
-
class of molecules, purines,
which include substituted purines and
their tautomers. They are the most
widely occurring nitrogen-containing
heterocycles in...
- It
exists in
equilibrium with a
tautomer CH3−C(=O)−CH=C(−OH)−CH3. The
mixture is a
colorless liquid.
These tautomers interconvert so
rapidly under most...
- order. For the same reason,
there is only one cyclopropene, not three.
Tautomers are
structural isomers which readily interconvert, so that two or more...
- case of a
compound that
exists as
tautomers. The
second tautomer is 2-hydroxypyridine. This
lactam lactim tautomerism can also be
exhibited in many related...
-
solution as a
mixture of two
tautomers. One
tautomer has the
proton attached to one of the
three oxygen atoms. In the
second tautomer the
proton resides on sulfur...
- with ketenes, much like
enols can with
aldehydes and ketones. The ynol
tautomer is
usually unstable, does not
survive long, and
changes into the ketene...
-
skeletal isomers,
positional isomers (or regioisomers),
functional isomers,
tautomers, and
structural isotopomers. A
skeletal isomer of a
compound is a structural...
- In biochemistry,
isomerases are a
general class of
enzymes that
convert a
molecule from one
isomer to another.
Isomerases facilitate intramolecular rearrangements...