ACS Sustainable Chemistry & Engineering,
Год журнала:
2022,
Номер
10(43), С. 14212 - 14219
Опубликована: Окт. 17, 2022
A
series
of
zinc
indium
sulfide
(ZnIn2S4)
were
synthesized
by
solvothermal
methods
in
different
solvents.
After
characterizations,
the
ZnIn2S4
prepared
ethanol
(i.e.,
ZIS-1)
showed
highest
photocurrent
density.
With
ZIS-1
as
a
photocatalyst,
direct
C–H
azolation
N-heterocycles
including
quinoxalin-2(1H)-ones,
quinazoline,
and
2H-benzo[b][1,4]oxazin-2-ones
(32
examples)
was
realized
an
air
atmosphere
under
blue
light
(456
nm).
More
importantly,
microspherical
photocatalyst
is
stable
catalytic
process
can
be
used
at
least
five
times
while
reactivity
remains
unchanged.
In
addition,
this
practical
approach
also
applicable
to
some
other
complex
molecules
interest,
such
ibuprofen
isoxepac.
Chemical Communications,
Год журнала:
2024,
Номер
60(16), С. 2125 - 2136
Опубликована: Янв. 1, 2024
In
this
feature
article,
we
focus
on
the
photochemical
strategy
for
construction
of
heterocyclic
skeletons,
specifically
highlighting
methods
that
employ
visible
light-promoted
carbene
transfer
reactions.
Green Chemistry,
Год журнала:
2022,
Номер
24(19), С. 7403 - 7409
Опубликована: Янв. 1, 2022
Redox-neutral
ketyl
couplings:
a
metal-
and
additive-free
ConPET
photocatalytic
system
allows
highly
efficient
coupling/cyclization
of
N
-aryl
acrylamides
carbonyls
with
formal
100%
atom
economy.
Green Chemistry,
Год журнала:
2022,
Номер
24(12), С. 4915 - 4920
Опубликована: Янв. 1, 2022
A
convenient
and
eco-friendly
visible-light
promoted
multicomponent
protocol
has
been
developed
for
the
synthesis
of
S
-alkyl
phosphorothioates
by
using
elemental
sulfur
as
cheap
odorless
source.
ACS Catalysis,
Год журнала:
2022,
Номер
12(9), С. 5510 - 5516
Опубликована: Апрель 25, 2022
We
developed
an
efficient
visible-light-mediated
formal
carbene
insertion
reaction
of
1,3-diketones
with
diazoesters
for
the
construction
enantioenriched
1,4-dicarbonyl
compounds
a
quaternary
carbon
center.
Combining
visible
light
and
Brønsted
acid
catalyst,
chiral
were
achieved
in
good
yields
high
enantioselectivities
by
photochemical
transfer
protocol.
Organic Letters,
Год журнала:
2022,
Номер
24(32), С. 6018 - 6023
Опубликована: Авг. 10, 2022
We
disclosed
herein
a
straightforward
photochemical
method
for
the
construction
of
phenanthridines
containing
synthetically
useful
succinate
unit.
The
reaction
occurred
under
visible-light
irradiation
with
cheap
eosin
Y
Na
as
photoredox
catalyst
and
diazo
compound
precursor.
Under
optimal
conditions,
wide
range
were
obtained
in
moderate
to
good
yields.
Note
that
units
final
heterocycles
could
be
easily
transformed
into
many
valuable
structures,
such
γ-butyrolactone,
dihydrofuran-2(3H)-one,
tetrahydrofuran.
Mechanistic
experiments
performed
support
proposed
mechanism.
European Journal of Organic Chemistry,
Год журнала:
2022,
Номер
2022(44)
Опубликована: Окт. 21, 2022
Abstract
Cyclopropanes
are
one
of
the
most
important
strained
rings
existing
in
various
pharmaceutical
products
and
secondary
metabolites.
They
also
widely
used
total
synthesis
natural
products,
medicinal
chemistry,
materials
science.
In
past
years,
photochemical
cyclopropanation
has
been
gradually
developed
as
a
robust
attractive
synthetic
method
to
prepare
diverse
cyclopropane
backbones.
this
review,
we
summarize
recent
advances
visible
light‐mediated
synthesis,
especially
using
carbene
transfer
strategy
photocatalytic
radical
reactions.
A
violet-light-induced
ring-opening
of
anthranils
with
chlorodiazirines
has
been
developed.
The
metal-free
protocol
provides
a
rapid
and
efficient
approach
to
N-(2-carbonylaryl)benzamides
in
moderate
good
yields
under
mild
conditions.
reaction
appears
involve
α-chlorocarbenes,
which
trigger
the
anthranils.