Green Chemistry,
Год журнала:
2022,
Номер
24(21), С. 8460 - 8465
Опубликована: Янв. 1, 2022
Visible
light-driven,
a
radical-cascade
process
for
thioalkylation
of
quinoxalin-2(1
H
)-one
utilizing
styrene
and
aryl
disulfide
derivatives
has
been
discussed.
Organic Letters,
Год журнала:
2022,
Номер
24(2), С. 642 - 647
Опубликована: Янв. 5, 2022
A
direct
alkoxycarbonylation/cyclization
reaction
is
accomplished
under
visible
light-induced
photoredox
catalysis.
With
this
approach,
a
variety
of
ester-substituted
indolo[2,1-a]isoquinolines
are
prepared
in
good
to
excellent
yields.
It
worth
noting
that
method
not
only
can
afford
the
synthesis
but
also
provide
an
alternative
route
for
generating
complex
target
structures
bearing
carboxylic
esters.
Beilstein Journal of Organic Chemistry,
Год журнала:
2023,
Номер
19, С. 1055 - 1145
Опубликована: Июль 28, 2023
Photoredox
catalysis
(PRC)
is
a
cutting-edge
frontier
for
single
electron-transfer
(SET)
reactions,
enabling
the
generation
of
reactive
intermediates
both
oxidative
and
reductive
processes
via
photon
activation
catalyst.
Although
this
represents
significant
step
towards
chemoselective
and,
more
generally,
sustainable
chemistry,
its
efficacy
limited
by
energy
visible
light
photons.
Nowadays,
excellent
alternative
conditions
are
available
to
overcome
these
limitations,
harvesting
two
different
but
correlated
concepts:
use
multi-photon
such
as
consecutive
photoinduced
electron
transfer
(conPET)
combination
photo-
electrochemistry
in
synthetic
photoelectrochemistry
(PEC).
Herein,
we
review
most
recent
contributions
fields
activations
organic
functional
groups.
New
opportunities
chemists
captured,
selective
reactions
employing
super-oxidants
super-reductants
engage
unactivated
chemical
feedstocks,
scalability
up
gram
scales
continuous
flow.
This
provides
comparisons
between
techniques
(multi-photon
photoredox
PEC)
help
reader
fully
understand
their
similarities,
differences
potential
applications
therefore
choose
which
method
appropriate
given
reaction,
scale
purpose
project.
Green Synthesis and Catalysis,
Год журнала:
2024,
Номер
5(4), С. 211 - 269
Опубликована: Май 6, 2024
The
development
of
catalytic
carbonylation
reactions
has
increased
considerably.
Although
many
reviews/chapters/books
on
have
been
published,
summaries
cheap
metal-catalyzed
aryl
halides
and
other
chemical
bonds
with
high
dissociation
energy
C-Y
(Y
=
O,
N,
H)
are
still
very
rare.
Focusing
green
sustainable
chemistry,
this
review
summarizes
discusses
the
achievements
carbonylative
transformations
(C(sp2)-X)
strong
based
non-expensive
metal
catalysts
(Co,
Mn,
Mo,
Ni,
Fe,
Cu),
photochemical
electrochemical
systems
developed
in
recent
decades.
Organic Letters,
Год журнала:
2024,
Номер
26(18), С. 3828 - 3833
Опубликована: Апрель 29, 2024
The
photocatalyzed
radical-triggered
thio/selenosulfonylation–bicyclization
of
indole-tethered
1,6-enynes
has
been
established
for
the
first
time,
enabling
synthesis
various
previously
unreported
thio/selenosulfonylated
benzo[c]pyrrolo[1,2,3-lm]carbazoles
with
moderate
to
good
yields
under
mild
conditions.
reaction
pathway
was
proposed,
consisting
energy
transfer,
homolytic
cleavage,
radical
addition,
5-exo-dig,
coupling,
and
a
Mallory
cascade.
This
approach
exhibits
wide
substrate
compatibility
excellent
tolerability
toward
functional
groups
is
characterized
by
its
remarkable
efficiency
in
both
bond
formation
annulation.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(13)
Опубликована: Янв. 19, 2024
Abstract
In
modern
organic
chemistry,
harnessing
the
power
of
multicomponent
radical
reactions
presents
both
significant
challenges
and
extraordinary
potential.
This
article
delves
into
this
scientific
frontier
by
addressing
critical
issue
controlling
selectivity
in
such
complex
processes.
We
introduce
a
novel
approach
that
revolves
around
reversible
addition
thiyl
radicals
to
multiple
bonds,
reshaping
landscape
reactions.
The
key
lies
intricate
interplay
between
reversibility
energy
landscapes
governing
C−C
bond
formation
thiol‐yne‐ene
developed
not
only
allows
prioritize
cascade,
dominating
over
alternative
reactions,
but
also
extends
scope
coupling
products
obtained
from
alkenes
alkynes
various
structures
electron
density
distributions,
regardless
their
relative
polarity
difference,
opening
doors
more
versatile
synthetic
possibilities.
present
study,
we
provide
powerful
tool
for
atom‐economical
C−S
formation,
paving
way
efficient
synthesis
molecules.
Carrying
out
our
experimental
computational
studies,
elucidated
fundamental
mechanisms
underlying
cascades,
knowledge
can
be
broadly
applied
field
chemistry.
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
A
Mn(III)-mediated
radical
cascade
cyclization
of
N-propargyl
enamides
with
sodium
sulfinates
was
developed.
Mechanistic
studies
indicated
that
this
process
is
mainly
composed
the
chemoselective
addition
sulfonyl
to
C≡C
bond
and
regioselective
intramolecular
6-endo-trig
cyclization.
This
protocol
provided
a
powerful
method
for
divergent
synthesis
diverse
polysubstituted
meta-sulfonylpyridines
or
1,2-dihydropyridines
just
by
varying
solvent
temperature
featuring
good
functional
group
compatibility
simple
operation.