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.
New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
48(19), P. 8827 - 8833
Published: Jan. 1, 2024
The
2,6-Bis(1,2,3-triazol-4-yl)pyridine
ruthenium(
ii
)
complex
has
been
embedded
in
porous
organic
polymers
to
act
as
a
highly
efficient
and
stable
photocatalyst
for
the
syntheses
of
thiocarbomates
disulfides.
ChemSusChem,
Journal Year:
2023,
Volume and Issue:
16(21)
Published: July 24, 2023
2H-MoS2
is
an
appealing
semiconductor
because
of
its
Earth-abundant
nature,
cheapness,
and
low
toxicity.
This
material
has
shown
promising
catalytic
activity
for
various
energy-related
processes,
but
use
in
catalysis
C-C
bond
forming
reactions
towards
useful
organic
compounds
still
largely
unexplored.
The
lack
examples
synthesis
mainly
due
to
the
intrinsic
difficulties
using
bulk
(e.
g.,
surface
area),
which
implies
reliance
on
high
loadings
obtaining
acceptable
yields.
makes
optimization
process
more
expensive
tedious.
Here,
we
report
development
a
-mediated
valuable
bis(indolyl)methane
derivatives,
indoles
benzaldehydes
as
starting
materials.
Exploiting
Design
Experiments
(DoE)
method,
identified
critical
parameters
affecting
performance
commercial
powder
optimized
reaction
conditions.
Lastly,
demonstrated
that
system
versatility
good
tolerance
functional
group
variations
reagents.
Current Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
27(11), P. 914 - 930
Published: July 1, 2023
Abstract:
The
utility
of
quinazoline
scaffolds
as
intermediates
in
new
medicinal
drug
development
and
discovery
has
grown
recent
decades.
framework
is
a
valuable
pharmacophore,
intermediate,
interesting
building
block
with
wide
range
pharmacological
activities
that
piqued
the
interest
researchers
developing
novel
synthetic
strategies
chemistry.
In
contrast
to
time-,
solvent-,
energy-consuming
separation
approaches,
magnetic
an
effective
method
for
quick
catalysts
from
reaction
media.
Nowadays,
magnetically
separable
nanoparticles
have
recently
gained
much
chemist
research
due
their
remarkable
catalytic
activity
various
chemical
transformations.
Many
articles
been
published
synthesis
derivatives
based
on
utilizing
catalyst
because
significant
role
biological
plays
present
review
study,
we
summarize
surface
functionalization
mesoporous
silica,
metal
organocatalysts,
ionic
liquids,
polymer-supported
applications
recoverable
nanocatalysts
efficient
methods
biologically
active
its
derivatives.
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 12, 2024
This
report
describes
a
dual
catalytic
approach
for
the
versatile
C-H
arylation
of
arenes
under
photo-excitation
at
room
temperature.
The
cooperative
catalysis
utilizes
iron
oxide
magnetic
nanoparticles
(which
mostly
contain
Fe
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 14, 2024
Abstract
Metal‐organic
frameworks
(MOFs)
with
kagomé
lattice
are
attractive
for
their
unique
physical
and
chemical
properties,
but
little
attention
has
been
paid
to
catalytic
properties.
Herein,
we
report
a
2D
MOF
based
on
phosphonato‐amino‐carboxylate
ligand
(NaHL),
i.
e.,
[Na
0.33
Co(L)(CH
3
OH)
2
](NO
)
(
),
which
exhibits
an
unconventional
lattice.
The
formation
of
this
is
caused
by
the
selective
recognition
NO
−
anion
phenolato
group
L
2−
as
evidenced
theoretical
calculations.
Compound
can
be
utilized
α‐methoxymethylation
aminomethylation
aromatic
ketones
using
methanol
C1
source.
Interestingly,
compound
exfoliated
in‐situ
into
nanosheets
one‐layer
thickness
under
reaction
conditions,
improves
efficiency.
Based
results
experiments
calculations,
proposed
possible
pathways
reaction.
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.