Halonium and Chalconium Salt-Catalyzed Schiff Condensation: Kinetics and DFT Insights into Organocatalyst Activity Parameters
Organic & Biomolecular Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Chalconium
and
halonium
salts
catalyze
Schiff
condensation.
Kinetic
data
DFT
calculations
show
that
the
catalytic
activity
correlates
with
maximum
electrostatic
potential
on
σ-holes,
whereas
other
factors
are
less
significant.
Язык: Английский
(Vinyl triflimide)benziodolium Salts: Palladium-Catalyzed Cascade Reactions toward Unsymmetrical Benzils
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 28, 2025
(Vinyl
triflimide)benziodolium
salts
were
developed
as
new
hypervalent
iodine
reagents.
A
cascade
of
diarylation/oxidation
reactions
with
the
benziodolium
was
accomplished
in
presence
palladium
catalysts.
The
reaction
exhibits
extensive
compatibility
readily
available
arylboronic
acids,
giving
a
diverse
array
benzyl
derivatives
good
yields.
benzils
can
serve
versatile
intermediates
fine
chemical
synthesis.
Язык: Английский
Basicity‐Controlled Reactivity of meta‐OTf‐Substituted Diaryliodonium Salts for Direct Arylation or Diels‐Alder Cycloaddition of Pyrrole Derivatives
Asian Journal of Organic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 5, 2024
Abstract
In
this
study,
we
explored
the
reactivity
of
meta
‐trifluoromethanesulfonate
(OTf)
substituted
diaryliodonium
salts
under
alkaline
conditions.
Two
distinct
pathways
with
direct
arylation
pyrrole
derivatives
and
Diels‐Alder
cycloaddition
via
aryne
intermediates,
have
been
found
upon
relative
alkalinity
strength
potassium
carbonates
or
hydroxides.
This
approach
offers
a
straightforward
efficient
route
to
synthesize
heterocyclic
aromatics
mild
reaction
conditions
tolerance
various
functional
groups.
Язык: Английский