A
novel
stable
lead-free
copper
halide
perovskite
(ODA)2CuBr4
was
prepared
by
intercalating
the
long
hydrophobic
alkyl
group
octadecyl
ammonium
(ODA)
between
inorganic
layers.
The
as-synthesized
shows
excellent
photocatalytic
performance
in
visible-light-driven
dehydrogenation
coupling
of
quinoxalin-2(1H)-ones
with
amines
at
room
temperature.
In
addition,
photocatalyst
could
be
recovered
and
recycled
for
up
to
five
consecutive
runs
without
significant
losing
its
catalytic
activity.
Green Chemistry,
Год журнала:
2024,
Номер
26(8), С. 4803 - 4810
Опубликована: Янв. 1, 2024
Z-scheme
CuInS
2
/K-C
3
N
4
heterojunction
has
been
designed
and
confirmed
as
efficient
heterogeneous
photocatalyst
for
arylation
of
heteroarenes
with
aryl
diazonium
salts
in
water
under
visible
light
irradiation
to
give
arylated
high
yields.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Ноя. 23, 2023
Abstract
Captopril
(CAP)
is
a
safe,
cost-effective,
and
environmentally
organic
compound
that
can
be
used
as
an
effective
organo-catalyst.
Functional
groups
of
captopril
make
it
capable
to
attach
solid
support
acting
promoters
in
transformations.
In
this
work,
was
attached
the
surface
magnetic
graphene
nitride
by
employing
linker
agent.
The
synthesized
composite
efficiently
catalyzed
two
multicomponent
reactions
including
synthesis
1,2,3,6-tetrahydropyrimidine
2-amino-4
H
-chromene
derivatives.
A
large
library
functional
targeted
products
mild
reaction
conditions.
More
importantly,
catalyst
stable
magnetically
recycled
reused
for
at
least
five
runs
without
losing
catalytic
activity.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2023,
Номер
11(50), С. 17697 - 17707
Опубликована: Дек. 1, 2023
Copper
indium
sulfide
quantum
dots
(QDs)
were
prepared
by
a
solvothermal
method
and
characterized
X-ray
diffraction,
Fourier
transform
infrared
spectroscopy,
scanning
electron
microscopy,
energy-dispersive
techniques.
The
as-prepared
CuInS2
QDs
display
excellent
photocatalytic
activity
in
the
visible-light-driven
homocoupling
of
arenediazonium
tetrafluoroborates
at
room
temperature.
Various
symmetrical
biaryls
obtained
γ-valerolactone
(GVL)
good
to
yields
under
mild
reaction
conditions.
In
addition,
photocatalyst,
QDs,
is
stable
catalytic
process
can
be
recycled
least
five
times
without
significant
losing
its
efficiency.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Апрель 17, 2024
Abstract
In
this,
a
three-component
reaction
for
the
preparation
of
novel
tetrazolo[1,5-a]pyrimidine-6-carboxamide
derivatives
from
N,N′
-(sulfonylbis(1,4-phenylene))bis(3-oxobutanamide),
aldehydes
and
1
H
-tetrazol-5-amine
is
reported.
The
application
Fe
3
O
4
@SiO
2
-(PP)(HSO
)
(A)
as
catalyst
afforded
desired
products
(a
–a
18
in
high
yields
DMF
solvent
well
under
solvent-free
conditions.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(44)
Опубликована: Май 24, 2024
A
magnetically
isolable
iron
oxide
nanoparticles
is
introduced
as
an
efficient
heterogeneous
photocatalyst
for
non-directed
C-H
arylation
employing
aryl
diazonium
salts
the
precursors.
This
first-row
transition
metal-based
revealed
versatile
activities
and
applicable
to
a
wide
range
of
substrates,
demonstrating
brilliant
efficacy
superior
recyclability.
Detailed
catalytic
characterization
describes
physical
properties
redox
behavior
Fe-catalyst.
Adequate
control
experiments
helped
establish
radical-based
mechanism
arylation.
Chemistry - A European Journal,
Год журнала:
2023,
Номер
29(44)
Опубликована: Июль 21, 2023
A
novel
triazine-based
covalent
organic
framework
(TFPT-Bz
COF)
has
been
constructed
by
the
condensation
of
2,4,6-tris(5-formyl-2-pyridinoxy)-1,3,5-triazine
(TFPT)
and
benzidine
(BZ)
with
deep
eutectic
solvent
(DES)
as
reaction
medium.
After
introduction
Pd
ions
through
strong
coordination
to
TFPT-Bz
COF
matrix,
COF/Pd
composite
exhibited
excellent
catalytic
activity
for
C-H
arylation
azoles
aryl
halides
in
2-methyltetrahydrofuran.
The
protocol
allows
a
variety
substituted
diverse
high
yield.
Moreover,
catalyst
can
be
recycled
several
times
without
significantly
reducing
its
activity.
