Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(8), С. 1591 - 1628
Опубликована: Янв. 1, 2023
Photoredox
catalysis
has
demonstrated
rapid
evolution
in
the
field
of
synthetic
organic
chemistry.
On
other
hand,
splendour
cascade
reactions
providing
complex
molecular
architectures
renders
them
a
cutting-edge
research
area.
Therefore,
merging
photocatalysis
with
synthesis
brings
out
paradigm
immense
potential.
The
development
photocascade
for
target
molecule
particular
skeleton
and
stereochemical
framework
presents
certain
challenges
but
provides
robust
environmentally
benign
alternative.
This
comprehensive
review
assembles
all
accomplishments
highlights
visible-light-induced
literature
coverage
up
to
October
2022.
Green Chemistry,
Год журнала:
2020,
Номер
23(1), С. 575 - 581
Опубликована: Дек. 10, 2020
A
photo-triggered
self-catalyzed
fluoroalkylation/cyclization
of
quinazolinones
containing
unactivated
alkenes
with
various
fluoroalkyl
bromides
has
been
developed.
Advanced Synthesis & Catalysis,
Год журнала:
2019,
Номер
362(1), С. 230 - 241
Опубликована: Ноя. 15, 2019
Abstract
The
first
example
of
rapidly
three‐component
cascade
reaction
quinoxalinones
with
unactivated
alkenes
and
TMSN
3
under
mild
condition
has
been
described.
This
approach
provides
a
practical
solution
for
the
rapid
modification
enables
new
planning
strategies
synthesis
bioactive
organoazides.
A
radical
mechanism
is
responsible
this
transformation.
magnified
image
The Journal of Organic Chemistry,
Год журнала:
2020,
Номер
85(11), С. 6888 - 6896
Опубликована: Май 11, 2020
A
K2S2O8-mediated
three-component
protocol
has
been
developed
for
the
construction
of
3-trifluoroalkylated
quinoxalin-2(1H)-ones
under
metal-free
conditions.
The
present
reaction
could
be
accomplished
through
trifluoroalkylation
with
unactivated
alkenes
and
Langlois'
reagent
(CF3SO2Na),
which
provided
a
highly
attractive
approach
to
access
series
biologically
important
quinoxalin-2(1H)-ones.
European Journal of Organic Chemistry,
Год журнала:
2020,
Номер
2020(39), С. 6148 - 6172
Опубликована: Июнь 23, 2020
Visible‐light‐mediated
chemical
reactions
have
become
highly
popular
in
the
last
ten
years.
This
review
covers
recent
developments
visible‐light
photofunctionalization
of
quinoxalin‐2‐one
derivatives.
Reaction
types
been
categorized
depending
on
kind
bond
formed:
C–C,
C–O,
C–N,
C–S,
C–P,
and
C–X,
with
representative
examples
discussion
catalyst
used
providing
insightful
mechanistic
details.
Moreover,
their
applications
to
synthesis
biologically
active
compounds
has
also
discussed.
Organic Letters,
Год журнала:
2019,
Номер
21(19), С. 7823 - 7827
Опубликована: Сен. 18, 2019
An
efficient
metal-free,
photomediated
iodo
perfluoroalkylation
under
mild
conditions
was
developed.
Using
catalytic
amounts
(10
mol
%)
of
phosphines
and
blue
light
irradiation,
various
olefins
are
transformed
into
the
corresponding
addition
products
within
short
reaction
times.
For
this
purpose,
a
modular
convenient
3D
printed
photoreactor
constructed,
which
is
presented
as
an
open
source
model.
The
presumably
proceeds
upon
generation
perfluoroalkyl
radicals,
formed
by
catalyst-induced
absorption
enhancement.
Chemical Communications,
Год журнала:
2019,
Номер
55(97), С. 14685 - 14688
Опубликована: Янв. 1, 2019
The
first
example
of
electrochemically
enabled,
NiCl2-catalyzed
reductive
decarboxylative
coupling
N-hydroxyphthalimide
esters
with
quinoxalinones
was
developed.
Chemical Communications,
Год журнала:
2020,
Номер
56(12), С. 1815 - 1818
Опубликована: Янв. 1, 2020
The
first
example
of
visible
light
promoted
fluoroalkylation
reactions
initiated
via
noncovalent
interactions
between
acetone
and
fluoroalkyl
iodides
is
presented.
reaction
system
features
synthetic
simplicity,
mild
conditions
without
any
photoredox
catalyst,
high
functional
group
tolerance.
A
wide
range
substrate
scopes
such
as
alkenes,
alkynes
(hetero)arenes
were
all
compatible
with
the
system.
Green Chemistry,
Год журнала:
2021,
Номер
23(17), С. 6632 - 6638
Опубликована: Янв. 1, 2021
This
study
demonstrates
a
metal-free
cross-dehydrogenative
coupling
for
direct
para
-C–H
heteroarylation
of
anilines
with
quinoxalinones
using
air
as
the
sole
oxidant
and
H
2
O/DMSO
solvent.
Organic Letters,
Год журнала:
2022,
Номер
24(19), С. 3576 - 3581
Опубликована: Май 12, 2022
An
environmentally
friendly
strategy
for
the
photocatalyzed
three-component
reaction
between
quinoxalinones,
alkenes,
and
hypervalent
iodine(III)
reagents
is
disclosed.
The
new
designed
difluoroiodane(III)
reagent
shows
excellent
reactivity,
providing
a
wide
range
of
difluoroalkyl-substituted
quinoxaline-2(1H)-ones
in
moderate
to
yields
under
mild
conditions.
Experimental
studies
demonstrated
that
difluoroalkyl
radical
intermediate
was
involved
this
reaction.