- In chemistry,
tautomers (/ˈtɔːtəmər/) are
structural isomers (constitutional isomers) of
chemical compounds that
readily interconvert. The
chemical reaction...
-
molecular tautomerisation has a
forbidden 1-3
suprafacial transition state and
therefore has a high
energy barrier for this
tautomerisation,
which was...
-
reaction occurs in two
stages consisting of
three steps: Transimination,
Tautomerisation and Hydolysis. In the
first stage,
alpha amino group of the aminoacid...
-
carboxylic acids), with a pKa of 3.58.
Acetoacetic acid
displays keto-enol
tautomerisation, with the enol form
being partially stabilised by
extended conjugation...
- process: 1.
Under basic conditions, the
ketone undergoes keto-enol
tautomerisation. The
enolate undergoes electrophilic attack by the
hypohalite (containing...
-
spontaneously decay via
tautomerisation to acetylene, with an
energy barrier of
between 4 and 21 kJ mol−1.
Besides tautomerisation,
methylidenecarbene can...
-
vinyl alcohol to
acetaldehyde rearrangement is the only keto-enol
tautomerisation to have been
detected in deep space,
induced by the
provision of secondary...
- an imine, the
internal hydrogen bond is even stronger. In addition,
tautomerisation further increases the
stability of the compound. The
internal hydrogen...
-
Tautomerisation of the
sodium salt of
pyrithione (thione form on the left,
thiolate form on the right)...
-
unlike ethylene,
disilene is
kinetically unstable with
respect to
tautomerisation.
Disilene has two
other tautomers, that are very
close in energy: (μ2-H)disilene...