ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(40)
Published: Oct. 1, 2024
Abstract
In
this
research,
some
of
2‐amino‐4H‐benzo[h]chromene
derivatives
were
synthesized
by
multicomponent
reaction
1‐naphthol,
benzaldehyde
and
malononitrile.
The
was
performed
under
green
conditions
using
water
as
the
solvent
in
presence
heterogeneous
nano
catalyst
containing
Co(II)
Cu(II)
stabilized
on
magnetic
mesoporous
silica
nanoparticles/tannic
acid
(M–MSN/TA/Co(II),Cu(II))
at
room
temperature.
prepared
showed
excellent
efficiency
its
properties
allow
easy
separation.
structure
morphology
identified
Fourier
transform
infrared
(FT‐IR),
X‐ray
diffraction
(XRD),
field
emission
scanning
electron
microscopy
(FE‐SEM),
energy
dispersive
spectroscopy
(EDX),
elemental
mapping,
thermogravimetric
analysis
(TGA)
vibrating‐sample
magnetometry
(VSM)
analysis.
All
products
obtained
high
to
yields
(78–94
%)
after
short
times
(20–45
min)
optimal
their
structures
confirmed
FT‐IR
Proton
nuclear
resonance
(
1
H
NMR)
spectroscopic
techniques.
This
study
shows
that
M–MSN/TA/Cu(II),
presents
a
good
catalytic
activity,
reusability
stability
compared
other
catalysts.
Colloids and Interface Science Communications,
Journal Year:
2024,
Volume and Issue:
58, P. 100766 - 100766
Published: Jan. 1, 2024
The
evolution
of
dynamic
processes
in
graphene-family
materials
are
great
interest
for
both
scientific
purposes
and
technical
applications.
Scanning
electron
microscopy
transmission
outstand
among
the
techniques
that
allow
observing
controlling
such
real
time.
On
other
hand,
functionalized
graphene
oxide
emerges
as
a
favorable
candidate
from
an
investigation
due
to
its
distinctive
properties,
encompass
large
surface
area,
robust
thermal
stability,
noteworthy
electrical
mechanical
properties
after
reduction.
Here,
we
report
on
studies
structure
adsorption
dynamics
L-Cysteine
electrochemically
exfoliated
oxide's
basal
plane.
We
show
beam
irradiation
prompts
amorphization
along
with
formation
micropatterns
controlled
geometry
composed
L-Cysteine-Graphene
nanostructures.
growth
predetermined
arrangement
well
disorder
induced
by
e
amorphization,
turn
potentially
offering
tailored
functionalities
paving
way
potential
applications
nanotechnology,
sensor
development,
engineering.
Our
findings
demonstrate
can
cover
provide
control
positioning
emerging
microstructures
about
10–20
μm
diameter.
Besides,
Raman
SAED
measurement
analyses
yield
above
50%
material.
results
our
technique
enables
direct
creation
eliminating
need
complicated
mask
patterning
procedures.
Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
6(15), P. 3911 - 3922
Published: Jan. 1, 2024
4-Amino-3-hydroxy-1-naphthalenesulfonic
acid-functionalized
graphene
oxide
(GO-ANSA)
was
prepared
and
used
as
a
highly
efficient
reusable
solid
acid
carbocatalyst
for
synthesis
of
tetraketone
well
tetrahydrobenzo[
b
]pyran
derivatives.
Qeios,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 20, 2024
An
efficient
and
environmentally
friendly
method
for
the
one-pot
synthesis
of
ortho-aminocarbonitrile
tetrahydronaphthalenes
has
been
developed
in
presence
triethylamine
(Et3N)
as
a
homogeneous
catalyst.
The
multicomponent
reactions
benzaldehydes,
cyclohexanone
malononitrile
were
carried
out
under
mild
conditions
to
obtain
some
tetrahydronaphthalene
derivatives.
A
broad
range
structurally
diverse
benzaldehydes
applied
successfully,
corresponding
products
(4A-L)
obtained
good
excellent
yields
(87-98%)
very
short
times
(10-25
minutes).
present
approach
provides
several
advantages
including
simple
workup,
high
yields,
reaction
conditions,
times,
little
catalyst
loading
not
requiring
specialized
equipment.
Furthermore,
with
help
computational
chemistry
drug
design
methods,
anti-cancer
properties
these
compounds
studied
investigated.
All
synthesized
bind
an
agonist
at
active
site
3A8P
protein,
which
leads
inactivation
this
protein
produces
beneficial
effects
during
cancer
treatment.
In
compounds,
ligands
establish
hydrogen
bonds
leucine
A:728
residues
through
nitrogen,
special
vital
role
biological
sciences
pharmaceutical
connections.
study,
it
was
found
that
have
potential
become
oral
drug.
Qeios,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 29, 2024
An
efficient
and
environmentally
friendly
method
for
the
one-pot
synthesis
of
ortho-aminocarbonitrile
tetrahydronaphthalenes
has
been
developed
in
presence
triethylamine
(Et3N)
as
a
homogeneous
catalyst.
The
multicomponent
reactions
benzaldehydes,
cyclohexanone
malononitrile
were
carried
out
under
mild
conditions
to
obtain
some
tetrahydronaphthalene
derivatives.
A
broad
range
structurally
diverse
benzaldehydes
applied
successfully,
corresponding
products
(4A-L)
obtained
good
excellent
yields
(87-98%)
very
short
times
(10-25
minutes).
present
approach
provides
several
advantages
including
simple
workup,
high
yields,
reaction
conditions,
times,
little
catalyst
loading
not
requiring
specialized
equipment.
Furthermore,
with
help
computational
chemistry
drug
design
methods,
anti-cancer
properties
these
compounds
studied
investigated.
All
synthesized
bind
an
agonist
at
active
site
3A8P
protein,
which
leads
inactivation
this
protein
produces
beneficial
effects
during
cancer
treatment.
In
compounds,
ligands
establish
hydrogen
bonds
leucine
A:728
residues
through
nitrogen,
special
vital
role
biological
sciences
pharmaceutical
connections.
study,
it
was
found
that
have
potential
become
oral
drug.
