Organic Letters,
Journal Year:
2020,
Volume and Issue:
23(1), P. 195 - 201
Published: Dec. 23, 2020
Herein,
a
novel
method
for
the
gram-scale
synthesis
of
(E)-quinoxalinone
oximes
through
multicomponent
reaction
under
mild
conditions
is
described.
Such
transformation
was
performed
transition-metal-free
conditions,
affording
(E)-oximes
in
moderate-to-good
yield
recrystallization.
Our
methodology
demonstrates
successful
combination
Mannich-type
and
radical
coupling,
providing
green
practical
approach
potentially
bioactive
quinoxalinone-containing
molecules.
Green Chemistry,
Journal Year:
2020,
Volume and Issue:
22(5), P. 1720 - 1725
Published: Jan. 1, 2020
An
eco-friendly
visible-light-induced
decarboxylative
acylation
of
quinoxalin-2(1H)-ones
and
α-oxo
carboxylic
acids
with
air
as
the
oxidant
under
external-photocatalyst-free
conditions
was
established.
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(20), P. 7971 - 7977
Published: Jan. 1, 2023
Alkyl
diacyl
peroxides
were
demonstrated
to
be
efficient
alkylating
reagents
for
the
visible-light-induced
4CzIPN-catalyzed
direct
C–H
alkylation
of
N
-heteroaromatics.
Organic Chemistry Frontiers,
Journal Year:
2019,
Volume and Issue:
6(24), P. 3950 - 3955
Published: Jan. 1, 2019
A
new
and
efficient
visible-light-mediated
strategy
has
been
developed
for
the
synthesis
of
3-sulfenylated
quinoxalin-2(1H)-ones
via
rhodamine
B
catalyzed
C–H/S–H
cross-coupling
with
thiols
in
air
at
room
temperature.
Green Chemistry,
Journal Year:
2020,
Volume and Issue:
23(1), P. 374 - 378
Published: Oct. 23, 2020
Aryl
radicals
were
generated
for
the
first
time
from
aryl
acyl
peroxides
in
ethyl
acetate
under
ambient
conditions
and
visible-light
illumination
absence
of
any
additive,
metal
catalyst,
or
external
photosensitizer.
Organic Chemistry Frontiers,
Journal Year:
2020,
Volume and Issue:
7(3), P. 492 - 498
Published: Jan. 1, 2020
Visible-light-mediated
procedure
has
been
developed
for
the
synthesis
of
3-acyl
quinoxalin-2(1H)-ones
through
acridine
red
catalyzed
decarboxylative
acylation
α-oxo-carboxylic
acids
with
quinoxalin-2(1H)-ones.