Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
39(3)
Опубликована: Ноя. 25, 2024
ABSTRACT
In
this
study,
the
cyclopenta[
b
]pyrrolizine
was
produced
via
using
a
nanocatalyst
consisting
of
Ag/Fe
3
O
4
@MWCNTs
in
multicomponent
reaction
that
involved
2‐arylidenemalononitrile,
ethyl
2‐amino‐4‐dioxo‐4‐arylbutanoates,
alkyl
bromides,
and
dimethyl
acetylenedicarboxylate.
The
conducted
water
at
room
temperature,
resulting
synthesis
new
compounds.
synthesized
compounds
demonstrate
antioxidant
activity
due
to
occurrence
assessment
procedures
on
its
OH
group.
Moreover,
an
antibacterial
efficacy
recently
pyridines
disk
diffusion
method,
employing
two
distinct
strains
Gram‐negative
bacteria.
Notably,
tested
exhibited
inhibitory
effects
growth
Gram‐positive
bacteria
as
well.
The
use
of
photocatalysis
in
conjunction
with
biomass
presents
an
innovative
and
promising
way
to
increase
the
sustainability
chemical
processes.
In
this
work,
a
g-C3N4@AgFe2O4
heterojunction
nanocomposite
was
prepared
by
facile
sonication
method
subsequently
modified
sulfonic
acid
groups
form
new
acidic
photocatalyst
enhanced
photocatalytic
activity.
structure,
surface
composition,
morphology,
optical
absorption
features
were
studied
using
state-of-the-art
characterization
techniques.
Visible-light-driven
dehydration
biomass-derived
carbohydrates
5-hydroxymethylfurfural
(HMF),
as
versatile
platform
compound,
employed
assess
its
catalytic
property.
Compared
traditional
homogeneous
heterogeneous
catalysts,
reveled
superior
or
equal
activity
production
HMF
from
fructose
only
at
low
temperature
(90
°C,
91%
yield).
easily
recovered
remained
active
recycle
runs,
approving
good
stability.
Furthermore,
developed
protocol
found
be
capable
converting
other
feedstocks,
such
glucose,
sucrose,
maltose
into
respectable
yields.
Interestingly,
work
represents
first
example
utilizing
photocatalyst.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Дек. 28, 2024
The
oxidation
of
5-HMF
to
HMFCA
is
an
important
yet
complex
process,
as
it
generates
high-value
chemical
intermediates.
Achieving
this
transformation
efficiently
requires
the
development
non-precious,
highly
active
catalysts
derived
from
renewable
biomass
sources.
In
work,
we
introduce
UoM-1
(UoM,
University
Mazandaran),
a
novel
cobalt-based
metal-organic
framework
(Co-MOF)
synthesized
using
simple
one-step
ultrasonic
irradiation
method.
synthesis
employed
ligand
4,4'-((1E,1'E)-((5-carboxy-1,3-phenylene)bis(azaneylylidene))bis
(methaneylylidene))dibenzoic
acid
(H3bdda).
A
comprehensive
suite
analytical
techniques,
including
FT-IR,
EDX,
ICP,
XRD,
TEM,
DLS,
FESEM,
and
BET-BJH,
was
used
confirm
structural
integrity
material.
catalytic
performance
investigated
for
selective
conversion
HMF
HMFCA,
demonstrating
its
effectiveness
low-cost,
accessible
catalyst.
To
promote
more
sustainable
environmentally
friendly
approach,
reactions
were
performed
in
deep
eutectic
solvents,
which
offer
green,
low-energy
alternative
traditional
solvents.
This
study
shows
that
catalyst
not
only
provides
economical
solution
but
also
aligns
with
modern
green
chemistry
principles,
making
promising
candidate
future
applications.
Green Chemistry,
Год журнала:
2024,
Номер
26(21), С. 10739 - 10773
Опубликована: Янв. 1, 2024
This
paper
summarizes
the
latest
research
progress
in
selective
photocatalytic,
electrocatalytic,
and
photoelectrocatalytic
oxidation
of
HMF,
along
with
reaction
mechanisms,
advantages,
challenges
faced
during
HMF
oxidation.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 22, 2025
In
this
research,
with
the
Green
Chemistry
approach,
to
load
more
sulfonic
acid
active
sites
on
catalyst
surfaces,
a
nanocomposite
material
based
core-shell
magnetite
coated
vinyl
silane
and
sulfonated
polymeric
brush-like
structure
is
designed
synthesized
as
new
class
of
efficient
solid
catalysts,
referred
Fe3O4@VS-APS
brush
acid.
The
was
comprehensively
characterized
by
range
instrumental
techniques,
including
XRD,
SEM,
TEM,
FT-IR,
EDX,
TGA,
VSM.
activity
evaluated
in
Biginelli,
Strecker,
esterification
reactions.
has
special
features,
such
easy
reusability
when
simple
magnet
used
for
four
reaction
runs,
an
appropriate
balance
between
hydrophobic
hydrophilic
properties
surface,
effective
catalytic
performance
production
3,4-dihydropyrimidin-2-one(thione)
derivatives,
2-phenyl-2-(phenylamino)acetonitrile
octyl
acetate.
Dalton Transactions,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
We
developed
a
magnetic
solid
acid
derived
from
rice
husk
as
an
efficient
catalyst
for
5-HMF
production.
The
was
easily
recovered
using
external
magnet
without
significant
loss
in
the
catalytic
activity.
