Nanomaterials,
Journal Year:
2021,
Volume and Issue:
11(12), P. 3276 - 3276
Published: Dec. 2, 2021
Implementing
new
methods
to
prepare
magnetite
nanoparticles
with
a
covered
or
uncovered
surface
has
been,
and
still
is,
significant
challenge.
In
this
work,
we
describe
very
clear
effortless
way
for
the
preparation
of
using
two
types
bases,
namely:
1-(3-aminopropyl)imidazole
sodium
hydroxide.
Fourier
transform
infrared
spectroscopy
(FTIR)
served
as
tool
structural
investigation
as-prepared
nanoparticles.
The
morphology
samples
was
investigated
Transmission
Electron
Microscopy
(TEM).
Comprehensive
high-resolution
X-ray
photoelectron
investigations
(XPS)
were
applied
an
effective
analyzing
composition
various
magnetic
Further
polymer
linkage
accomplished
poly(benzofuran-co-arylacetic
acid)
on
amino-functionalized
aminopropylimidazole-containing
findings
are
promising
biomedicine,
catalysis,
nanotechnology
applications.
ChemistrySelect,
Journal Year:
2021,
Volume and Issue:
6(48), P. 13906 - 13917
Published: Dec. 22, 2021
Abstract
In
this
work,
a
new
magnetic
composite
comprising
starch,
imidazolium
and
triazol
groups
is
used
as
support
for
stabilization
of
palladium
nanoparticles.
This
material
has
been
characterized
by
different
techniques
showing
the
presence
small
uniform
Pd
nanoparticles
in
about
2
nm
size.
Measuring
contact
angle
confirmed
important
role
starch
on
increasing
hydrophilic
nature
catalyst.
Using
0.05
mol%
catalyst
aryl
iodides
or
bromides
reacted
with
boronic
acids
at
room
temperature
aqueous
media
corresponding
products
are
obtained
very
good
to
excellent
yields.
Hot
filtration
PVPy
poisoning
tests
heterogeneous
E‐factor
was
found
acceptable
range
close
green
chemistry
standards.
magnetically
recovered
recycled
10
consecutive
times
decrease
activity.
Also,
robustness
catalytic
system
demonstrated
characterization
reused
Frontiers in Chemistry,
Journal Year:
2024,
Volume and Issue:
12
Published: Oct. 30, 2024
We
report
the
fabrication
of
a
novel
spinel-type
Pd₀.₁Cu₀.₉Co₂O₄
nano-flake
material
designed
for
Mizoroki-Heck
and
Suzuki
coupling-cum-transesterification
reactions.
The
was
synthesized
using
simple
co-precipitation
method,
its
crystalline
phase
morphology
were
characterized
through
powder
XRD,
UV-Vis,
FESEM,
EDX
studies.
This
demonstrated
excellent
catalytic
activity
in
cross-coupling
reactions,
performed
presence
mild
base
(K₂CO₃),
ethanol
as
solvent,
microwave
irradiation
under
ligand-free
conditions.
Notably,
Heck
coupling
acrylic
esters
proceeded
concurrently
with
transesterification
various
alcohols
solvents.
catalyst
exhibited
remarkable
stability
reaction
conditions
could
be
recycled
reused
up
to
ten
times
while
maintaining
integrity.
ACS Applied Nano Materials,
Journal Year:
2022,
Volume and Issue:
5(4), P. 5776 - 5792
Published: April 12, 2022
In
this
study,
1-(3-aminopropyl)imidazole-functionalized
porous
graphene
oxide
nanosheets
(GONs)
decorated
with
palladium
nanoparticles
(Pd
NPs;
size,
∼11
nm)
have
been
developed.
This
has
accomplished
via
covalent
immobilization
of
amine-terminated
imidazolium
moieties
over
GONs,
which
were
further
Pd
NPs
by
employing
chemical
reduction
method.
To
authenticate
the
successful
preparation
a
nanocatalyst
(i.e.,
GO-Imd-Pd),
numerous
physicochemical
characterization
techniques,
such
as
FT-IR,
XRD,
TEM,
TGA,
SEM,
EDAX,
XPS,
CHN,
ICP-MS,
and
BET
surface
area
analysis,
utilized.
The
synthesized
hybrid
nanomaterial
could
validate
its
supremacy
highly
efficacious
heterogeneous
for
oxidative
amidation
aldehydes.
prepared
offer
Lewis
acidic
sites,
help
in
activation
reactant
molecules,
thereby
delivering
high
yield
product.
be
effortlessly
separated
from
reaction
mixture
simple
centrifugation
technique.
Also,
showed
magnificent
recyclability
up
to
six
catalytic
runs
without
any
perceptible
loss
activity
no
sign
disintegration.
Nanomaterials,
Journal Year:
2021,
Volume and Issue:
11(12), P. 3276 - 3276
Published: Dec. 2, 2021
Implementing
new
methods
to
prepare
magnetite
nanoparticles
with
a
covered
or
uncovered
surface
has
been,
and
still
is,
significant
challenge.
In
this
work,
we
describe
very
clear
effortless
way
for
the
preparation
of
using
two
types
bases,
namely:
1-(3-aminopropyl)imidazole
sodium
hydroxide.
Fourier
transform
infrared
spectroscopy
(FTIR)
served
as
tool
structural
investigation
as-prepared
nanoparticles.
The
morphology
samples
was
investigated
Transmission
Electron
Microscopy
(TEM).
Comprehensive
high-resolution
X-ray
photoelectron
investigations
(XPS)
were
applied
an
effective
analyzing
composition
various
magnetic
Further
polymer
linkage
accomplished
poly(benzofuran-co-arylacetic
acid)
on
amino-functionalized
aminopropylimidazole-containing
findings
are
promising
biomedicine,
catalysis,
nanotechnology
applications.
