Green synthesis and in vitro anticancer evaluation of 1,2-disubstituted benzimidazole derivatives
Results in Chemistry,
Год журнала:
2025,
Номер
unknown, С. 102134 - 102134
Опубликована: Фев. 1, 2025
Язык: Английский
Green synthesis of benzimidazoles via the palladium catalyzed one-pot reductive coupling of nitroarylamines with nitriles
Journal of Molecular Structure,
Год журнала:
2025,
Номер
unknown, С. 141747 - 141747
Опубликована: Фев. 1, 2025
Язык: Английский
Polyoxometalate on functionalized graphene sheets as a hybrid catalyst for efficient synthesis of benzimidazoles
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 6, 2025
In
this
work,
graphene
oxide
(GO)
nanoparticles
were
synthesized
and
subsequently
modified
using
3-aminopropyltrimethoxysilane
(APTMS).
An
Anderson-type
polyoxometalate
[(C4H9)4N]2[CrMo6O18(OH)6]
was
then
immobilized
on
the
surface
of
nanoparticles.
The
obtained
catalyst
characterized
Fourier-transform
infrared
spectroscopy
(FT-IR),
energy-dispersive
X-ray
(EDS),
inductively
coupled
plasma
(ICP),
thermogravimetric
analysis
(TGA),
scanning
electron
microscopy
(SEM),
Raman
spectroscopy,
diffraction
(XRD).
catalytic
performance
recyclable
hybrid
evaluated
for
synthesis
benzimidazole
derivatives
at
75
°C
under
solvent-based
conditions.
demonstrated
easy
separation
could
be
successfully
reused
least
six
times
with
only
a
slight
reduction
in
yield
desired
product.
Leaching
recovery
tests,
along
FT-IR
analysis,
confirmed
high
stability
catalytically
active
species
heterogeneous
nature
catalyst.
Язык: Английский
Immobilization of CuO onto melamine functionalized magnetic nanocomposite: an efficient catalyst for the Preparation of benzimidazole compounds
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 3, 2025
Язык: Английский
Benzimidazole-scaffold based fluorescent probes for sensing and bioimaging applications
Coordination Chemistry Reviews,
Год журнала:
2025,
Номер
537, С. 216690 - 216690
Опубликована: Апрель 14, 2025
Язык: Английский
Heterogeneous Catalysis in the Synthesis of Nitrogen‐Containing Heterocyclics
ChemistrySelect,
Год журнала:
2024,
Номер
9(41)
Опубликована: Окт. 28, 2024
Abstract
The
synthesis
of
nitrogen‐containing
heterocyclic
compounds
using
heterogeneous
catalysis
is
a
topic
significant
interest
in
organic
and
chemical
research.
Heterogeneous
offers
several
advantages
over
homogeneous
catalysis,
including
easier
separation
recovery
the
catalyst,
reduced
waste
generation,
potentially
higher
stability
reusability.
In
this
review,
pivotal
role
synthesizing
explored.
Various
types
heterocycles
specific
applications
these
drug
discovery
material
development
are
discussed
detail.
This
review
discusses
various
examples
catalysts
employed
heterocycles,
metal
oxides,
supported
metals,
nanoparticles,
zeolites,
other
porous
materials.
Emphasis
placed
on
mechanistic
insights
reaction
pathways
facilitated
by
different
catalysts.
Additionally,
recent
advancements
innovations
field
discussed,
novel
catalyst
designs,
green
chemistry
approaches,
emerging
trends
catalytic
aim
to
provide
comprehensive
overview
impact
potential
important
area
synthesis.
Язык: Английский
Magnetic DL-methionine grafted to chitosan by EDTA linker nanomaterial: a highly efficient multifunctional organocatalyst for the synthesis of highly substituted imidazole derivatives under green conditions
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 18, 2024
Abstract
In
this
research,
a
novel
protocol
for
the
synthesis
of
imidazole
derivatives
with
various
substitutions
has
been
investigated
in
presence
new
and
highly
effective
magnetic
decorated
DL-methionine
amino
acid
grafted
onto
chitosan
backbone
by
using
EDTA
linker
(CS
−
MET@Fe
3O
4)
under
green
chemistry
conditions.
The
CS
MET@Fe
3O
4
nanocomposite
was
properly
characterized
FTIR,
EDX,
XRD,
FESEM,
TGA
VSM
spectroscopic,
microscopic,
or
analytical
methods.
used
as
efficient
heterogeneous
organocatalyst
wide
range
three-
four-substituted
derivatives,
an
important
pharmaceutical
scaffold,
through
multicomponent
reactioins
(MCRs)
strategy.
multifunctional
nanocatalyst
exhibited
high
catalytic
activity,
selectivity,
stability
to
promote
reactions
benzoin
benzyl,
different
aldehyde
ammonim
acetate
well
aromatic
aliphatic
amine
EtOH
solvent.
Key
advantages
present
are
excellent
yields,
use
low
loading
renewable,
bio-based
biodegredable
chitosan-
acid-based
nanomaterial,
simple
procedure
preparation
nanomaterial
imoidazole
derivatives.
addition,
catalyst's
properties,
including
its
properties
appropriate
surface
area
characteristicscontribute
performance.
Fuerthermore,
can
be
up
six
cycles
only
slight
decrease
activity.
Язык: Английский
Functionalized Metal-Free Carbon Nanosphere Catalyst for the Selective C–N Bond Formation under Open-Air Conditions
ACS Omega,
Год журнала:
2024,
Номер
9(33), С. 35676 - 35685
Опубликована: Авг. 8, 2024
A
versatile
shape-controlled
carbon
nanomaterial
that
can
efficiently
catalyze
the
selective
C-N
coupling
reactions
under
metal-free
and
open-air
conditions
was
developed
by
applying
N-doping
KOH
activation
strategies
in
candle
soot
(ANCS).
The
TEM
elemental
mapping
results
showed
formation
of
sphere-shaped
particles
as
well
uniform
distribution
nitrogen
species
framework.
enhanced
specific
surface
area
carbon,
whereas
enriched
electron-deficient
nature
introducing
functional
N-based
pyrrolic/graphitic
structures
synergistic
effect
significantly
improved
catalytic
efficiency
catalyst
(ANCS),
giving
a
96%
conversion
Язык: Английский
Methionine-ethylenediaminetetraacetic acid-chitosan magnetic nanocomposite: a multifunctional organocatalyst for green heteroannulation of imidazoles
Carbohydrate Polymer Technologies and Applications,
Год журнала:
2024,
Номер
unknown, С. 100638 - 100638
Опубликована: Дек. 1, 2024
Язык: Английский
Crystal structure of 1-(1,3-benzothiazol-2-yl)-3-(4-bromobenzoyl)thiourea
Acta Crystallographica Section E Crystallographic Communications,
Год журнала:
2024,
Номер
80(6), С. 663 - 666
Опубликована: Май 31, 2024
The
chemical
reaction
of
4-bromobenzoylchloride
and
2-aminothiazole
in
the
presence
potassium
thiocyanate
yielded
a
white
solid
formulated
as
C
15
H
10
BrN
3
OS
2
,
which
consists
4-bromobenzamido
2-benzothiazolyl
moieties
connected
by
thiourea
group.
are
trans
conformtion
(sometimes
also
called
s
-trans
due
to
single
bond)
with
respect
N—C
bond.
dihedral
angle
between
mean
planes
4-bromophenyl
units
is
10.45
(11)°.
moiety,
—C—NH—C(=S)
—NH—
fragment
forms
8.64
(12)°
ring
almost
coplanar
1.94
molecular
structure
stabilized
intramolecular
N—H...O
hydrogen
bonds,
resulting
formation
an
S
(6)
ring.
In
crystal,
pairs
adjacent
molecules
interact
via
intermolecular
bonds
type
C—H...N,
C—H...S
N—H...S,
layers
parallel
ac
plane.
Язык: Английский