Asian Journal of Organic Chemistry,
Год журнала:
2023,
Номер
12(2)
Опубликована: Янв. 11, 2023
Abstract
We
developed
a
novel
and
efficient
method
for
the
synthesis
of
various
3‐alkylated
quinoxalin‐2(1
H
)‐ones
(32
examples,
70%–96%
yields)
through
electron
donor‐acceptor
complex
enabled
alkylation
with
N
‐
hydroxyphthalimide
esters
as
alkyl
source
Na
2
S
catalytic
donor
under
external
photocatalyst‐,
oxidant‐
additive‐free
conditions.
Chemical Science,
Год журнала:
2022,
Номер
13(19), С. 5659 - 5666
Опубликована: Янв. 1, 2022
General
photoactivation
of
EDA
complexes
between
arylsulfonium
salts
and
1,4-diazabicyclo[2.2.2]octane
was
discovered.
This
practical
mode
enables
the
generation
aryl
radicals
for
C–H
functionalization
arenes.
Green Chemistry,
Год журнала:
2023,
Номер
25(8), С. 3292 - 3296
Опубликована: Янв. 1, 2023
The
semi-heterogeneous
g-C
3
N
4
/NaI
dual
catalytic
system
driven
C–C
bond
formation
between
quinoxalin-2(1
H
)-ones
and
arylhydrazines
under
blue
light
irradiation
is
reported
for
the
first
time.
Advanced Materials,
Год журнала:
2024,
Номер
36(21)
Опубликована: Фев. 11, 2024
Abstract
Photoelectrochemical
(PEC)
catalysis
provides
the
most
promising
avenue
for
producing
value‐added
chemicals
and
consumables
from
renewable
precursors.
Over
last
decades,
PEC
catalysis,
including
reduction
of
feedstock,
oxidation
organics,
activation
functionalization
C─C
C─H
bonds,
are
extensively
investigated,
opening
new
opportunities
employing
technology
in
upgrading
readily
available
resources.
However,
several
challenges
still
remain
unsolved,
hindering
commercialization
process.
This
review
offers
an
overview
targeted
at
synthesis
high‐value
sustainable
First,
fundamentals
evaluating
reactions
context
product
both
anode
cathode
recalled.
Then,
common
photoelectrode
fabrication
methods
that
have
been
employed
to
produce
thin‐film
photoelectrodes
highlighted.
Next,
advancements
systematically
reviewed
discussed
conversion
various
feedstocks
highly
valued
chemicals.
Finally,
prospects
field
presented.
aims
facilitating
further
development
precursors
products
other
pharmaceuticals.
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(9), С. 6117 - 6125
Опубликована: Апрель 24, 2024
The
first
paired
electrolysis-enabled
arylation
of
quinoxalin-2(1H)-ones
was
achieved
using
cyanoarenes
as
the
reagents.
A
variety
3-arylquinoxalin-2(1H)-ones
with
various
important
functional
groups
were
obtained
in
moderate
to
good
yields
under
metal-
and
chemical
oxidant-free
conditions.
With
a
pair
reductive
oxidative
processes
occurring
among
substrates
reaction
intermediates,
power
consumption
can
be
dramatically
reduced.
Organic Letters,
Год журнала:
2025,
Номер
27(10), С. 2526 - 2531
Опубликована: Март 5, 2025
Herein,
we
introduce
an
efficient
and
straightforward
strategy
for
the
selective
C-H
esterification
alkylation
of
quinoxalin-2(1H)-ones
with
aldehydes.
A
key
feature
our
study
is
ability
to
perform
both
using
different
types
The
reaction
system
highly
compatible
a
range
aldehydes,
yielding
C3-esterified
C3-alkylated
products
in
moderate-to-good
yields.
applicability
this
approach
further
enhanced
by
its
scalability
through
continuous-flow
synthesis,
late-stage
modification
significant
molecules,
product
derivatization.
Our
mechanistic
investigations
reveal
radical
relay
mechanism,
triggered
hydrogen
atom
transfer
process.