The
atom
transfer
radical
addition
(ATRA)
reaction
is
defined
as
a
method
for
introducing
halogenated
compounds
into
alkenes
via
mechanism.
In
this
study,
we
present
an
ATRA
approach
achieving
regioselective
functionalization
of
quinoxalin-2(1H)-ones
by
activating
C-Br
bonds
CBr4,
and
subsequent
trihaloalkyl-carbofunctionalization
styrenes
employing
the
9-mesityl-10-methylacridinium
perchlorate
(Fukuzumi)
photocatalyst
under
3W
blue
LED
(450-470
nm)
irradiation.
This
three-component
cascade
process
demonstrates
remarkable
efficiency
in
synthesis
1-methyl-3-(3,3,3-tribromo-1-(4-chlorophenyl)propyl)quinoxalin-2(1H)-one
derivatives.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(3), P. 1784 - 1796
Published: Jan. 12, 2024
The
atom
transfer
radical
addition
(ATRA)
reaction
is
defined
as
a
method
for
introducing
halogenated
compounds
into
alkenes
via
mechanism.
In
this
study,
we
present
an
ATRA
approach
achieving
regioselective
functionalization
of
quinoxalin-2(1H)-ones
by
activating
C–Br
bonds
CBr4
and
subsequent
trihaloalkyl-carbofunctionalization
styrenes
employing
the
9-mesityl-10-methylacridinium
perchlorate
(Fukuzumi)
photocatalyst
under
3W
blue
LED
(450–470
nm)
irradiation.
This
three-component
cascade
process
demonstrates
remarkable
efficiency
in
synthesis
1-methyl-3-(3,3,3-tribromo-1-(4-chlorophenyl)propyl)quinoxalin-2(1H)-one
derivatives.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(2), P. 1296 - 1300
Published: Jan. 4, 2024
Without
any
additives
and
photocatalysts,
the
visible-light-promoted
radical
cascade
reaction
between
alkynoates
phenyl
disulfides
has
been
developed
at
room
temperature.
Through
S–S
bond
photolysis
homolytic
cleavage,
addition
of
a
sulfur
radical,
aryl
migration,
decarboxylation,
H
atom
abstraction,
provides
an
efficient
practical
route
to
trisubstituted
1,1-diarylvinylsulfides
with
wide
scope
substrates
good
excellent
yields.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(15), P. 11370 - 11376
Published: Jan. 1, 2025
Herein,
we
have
developed
an
organophotocatalytic
trifluoromethylation
of
6-azauracils
using
inexpensive
Langlois
reagent
to
prepare
a
variety
trifluoromethylated
azauracil
derivatives
under
ambient
air
condition.
Catalysis Science & Technology,
Journal Year:
2023,
Volume and Issue:
14(1), P. 183 - 189
Published: Nov. 28, 2023
In
this
study,
we
demonstrate
the
proficiency
of
orthorhombic
CsPbBr
3
to
perform
C–H
chalcogenation
reactions
electron-rich
arenes
under
conditions
involving
polar
solvents,
aerobic
environments,
and
visible-light
irradiation.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(20)
Published: June 27, 2024
Abstract
Herein,
a
method
for
the
assembly
of
biologically
valuable
3‐selenospiro[4,5]decatrienones
through
CuBr
2
‐catalyzed
ispo
‐cyclization
Se
powder,
boronic
acids,
and
N
‐(
p
‐methoxyaryl)propiolamides
has
been
established.
In
this
protocol,
noble
transition
metal,
prefunctionalized
selenylation
reagent,
strong
chemical
oxidant
are
not
employed.
This
feature
wide
substrate
scope,
good
functional
group
tolerance,
easy
operation,
employing
earth‐abundant
metal
as
catalyst
green
air
oxidant.
Furthermore,
several
derivatizations
performed
to
showcase
practicability
our
strategy.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(75), P. 10402 - 10405
Published: Jan. 1, 2024
A
new
visible-light-mediated
non-directed
oxidative
annulation
between
2-arylindazoles
and
electron-deficient
olefins
using
commercially
available
piperidine-1-sulfonyl
chloride
as
the
radical
precursor
to
afford
fused
5,6-dihydroindazolo[2,3-
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
30(67)
Published: Aug. 13, 2024
Abstract
Using
organic
dyes
as
photocatalysts
is
an
innovative
approach
to
photocatalytic
transformations.
These
offer
advantages
such
widespread
availability,
adaptable
absorption
properties,
and
diverse
chemical
structures.
Recent
progress
has
led
the
development
of
that
can
utilize
visible
light
modify
chemically
inert
C−H
bonds.
catalysts
are
sustainable,
selective,
versatile,
enabling
mild
reactions,
late‐stage
functionalization,
various
transformations
in
line
with
green
chemistry
principles.
As
photoredox
chemistry,
they
contribute
efficient
environmentally
friendly
synthetic
pathways.
Acridinium‐based
have
proved
valuable
transformative
reactions
under
conditions.
This
review
emphasizes
their
features,
frameworks,
applications
modifying
complex
molecules.
It
provides
overview
recent
advancements
use
acridinium‐based
for
bond
functionalization
without
need
transition
metals,
showcasing
potential
expedite
new
molecules
igniting
excitement
about
prospects
this
research
field.
