Synthetic Communications,
Год журнала:
2024,
Номер
54(8), С. 672 - 693
Опубликована: Март 20, 2024
Polyethyleneimine-supported
cobalt
(II)
chloride
as
a
novel
polymeric
nanocomposite
acidic
catalyst
for
the
one-stage
transesterification
reaction
of
ethyl
acetate
with
various
alcohols
is
reported.
The
was
characterized
by
Fourier
transform
infrared
spectroscopy,
X-ray
powder
diffraction,
transmission
electron
microscopy,
scanning
dynamic
light
scattering
technique,
and
thermal
gravimetric
analysis.
Furthermore,
inductively
coupled
plasma
atomic
absorption
spectroscopy
were
used
to
determine
quantity
Cobalt
nanoparticles
in
catalyst.
By
adding
(0.10
g,
0.20
mol%)
n-hexane/chloroform
(5.0
cm3)
solvent
under
reflux
conditions,
studies
demonstrated
successful
reactions
excellent
yields
(80–98%)
short
times
(0.50–1.30
h)
using
substrates
on
scale
1.0
mmol.
Seven
consecutive
could
be
performed
without
significantly
decreasing
its
activity.
most
noteworthy
aspects
this
process
are
low
cost,
safety,
environmental
friendliness
due
catalyst's
non-toxicity,
straightforward
operation,
effective
outcomes.
Nanoscale Advances,
Год журнала:
2024,
Номер
6(7), С. 1932 - 1944
Опубликована: Янв. 1, 2024
Inexpensive,
stable,
selective,
and
recyclable
nanocatalysts,
waste
regeneration,
utilization
of
safe
available
solvents
are
interest
important
factors
in
laboratory
science
industrial
applications
green
chemistry.
Therefore,
herein,
biochar
nanoparticles
(BNPs)
were
synthesized
through
chicken
manure
pyrolysis
as
a
novel
method
for
recycling.
Then,
order
to
improve
their
recyclability,
the
obtained
BNPs
magnetized
using
magnetic
nickel
nanoparticles.
surface
(BMNPs)
was
modified
by
(3-chloropropyl)trimethoxysilane
(3-CPTMS)
further
neodymium
Schiff-base
complex
immobilized
on
BMNPs,
denoted
Nd-Schiff-base@BMNPs.
The
supported
used
practical,
biocompatible,
commercial,
reusable
heterogeneous
nanocatalyst.
support
this
nanocatalyst
formed
from
manure;
therefore,
it
is
cheap,
economically
viable,
also
compatible
with
principles
Nd-Schiff-base@BMNPs
acts
selectively
organic
reactions
can
easily
be
recovered
an
external
magnet
reused,
which
This
characterized
wavelength-dispersive
X-ray
spectroscopy
(WDX),
scanning
electron
microscopy
(SEM),
energy-dispersive
(EDS),
thermogravimetric
analysis
(TGA),
Fourier
transform
infrared
(FT-IR),
inductively
coupled
plasma
(ICP),
N
Nanoscale Advances,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
In
this
research,
we
have
developed
diverse
strategies
for
synthesizing
potential
h
NMDA
receptor
allosteric
modulators
through
reduction
and
one-pot
reductive
acetylation
of
nitro(hetero)arenes
using
a
mesoporous
zirconocene-containing
nanocatalyst.
RSC Advances,
Год журнала:
2025,
Номер
15(16), С. 12255 - 12290
Опубликована: Янв. 1, 2025
This
review
highlights
recent
advancements
in
the
catalytic
synthesis
of
3-substituted
indoles,
focusing
on
improved
efficiency,
selectivity,
and
sustainability
attained
through
use
various
systems
green
chemistry
approaches.
