The Journal of Organic Chemistry,
Год журнала:
2020,
Номер
86(1), С. 1012 - 1022
Опубликована: Дек. 10, 2020
A
blue-light-emitting
diode
(LED)
promoted
coupling
of
aryl
diazoacetates
with
sulfur
ylides
is
described.
This
protocol
features
mild
conditions,
good
functional
group
tolerance,
and
broad
substrate
scope
for
both
ylides.
Under
optimal
reaction
a
wide
range
trisubstituted
olefins
obtained
in
moderate
to
yield,
which
can
be
further
transferred
other
biologically
important
heterocycles
after
two-step
simple
operation.
Green Chemistry,
Год журнала:
2020,
Номер
23(1), С. 374 - 378
Опубликована: Окт. 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 Letters,
Год журнала:
2021,
Номер
23(11), С. 4109 - 4114
Опубликована: Май 14, 2021
We
develop
a
visible
light-promoted
divergent
cycloaddition
of
α-diazo
esters
with
hexahydro-1,3,5-triazines,
leading
to
series
aziridine
and
imidazolidine
frameworks
in
average
good
yield,
by
simply
changing
the
reaction
media
used.
It
is
noteworthy
that
occurs
under
sole
light
irradiation
without
need
for
exogenous
photoredox
catalysts.
More
significantly,
reasonable
mechanism
was
proposed
on
basis
control
experiments
density
functional
theory
calculation
results.
Green Chemistry,
Год журнала:
2022,
Номер
24(4), С. 1732 - 1737
Опубликована: Янв. 1, 2022
A
general
visible-light-induced
catalyst-/additive-free
strategy
was
developed
for
the
construction
of
various
aroylated
heterocyclesunder
air
and
room
temperature
conditions.
Advanced Synthesis & Catalysis,
Год журнала:
2022,
Номер
364(24), С. 4189 - 4230
Опубликована: Дек. 3, 2022
Abstract
In
the
quest
for
sustainable
processes,
selection
of
resources
and
catalysts
is
central
importance.
Carboxylic
acids,
which
are
abundant,
stable
ideally
biobased
feedstocks,
can
be
considered
as
attractive
platforms
towards
a
range
functionalized
molecules.
A
recent
resurgence
photoinduced
ligand‐to‐metal
charge
transfer
(LMCT)
carboxylates
led
to
tremendous
developments
in
field
earth‐abundant
metal
mediated,
visible‐light
induced
(non)‐decarboxylative
transformations
carboxylic
acids.
These
reactions
combine
use
available
starting
materials,
low‐consuming
energy
source
abundant
catalysts.
Besides
these
undeniable
advantages,
they
also
provide
mild,
highly
selective
innovative
conditions
complex
molecule
functionalization.
The
objective
this
review
give
an
overview
advances
LMCT
with
special
focus
on
mechanistic
aspects
transformations.
magnified
image
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.
