Anti-Corrosion Methods and Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Purpose
The
aim
of
this
study
is
to
evaluate
the
corrosion
inhibitory
properties
three
piperazine
derivatives
–
Ethyl
5-(piperazine-1-yl)
benzofuran-2-carboxylate
(EPBC),
5-[4–(1-tert-butoxyethenyl)
piperazin-1-yl]-1-benzofuran-2-carboxamide
(BBPC)
and
Tert-butyl-4–(2-(ethoxycarbonyl)benzofuran-5-yl)-piperazine-1-carboxylate
(TBPC)
on
Al
surfaces
in
presence
hydrochloric
acid
(HCl).
research
uses
density
functional
theory
(DFT)
molecular
dynamics
simulations
explore
effectiveness
these
as
inhibitors
understand
their
adsorption
behavior
at
level.
Design/methodology/approach
This
a
computational
approach
using
DFT
various
levels
(B3LYP/6–31+G(d,p),
B3LYP/6–311+G(d,p),
WB97XD/DGDZVP)
calculate
essential
quantum
chemical
parameters
such
energy
gap
(ΔE),
ionization
(I),
absolute
electronegativity
(
χ
),
electron
affinity
(E),
dipole
moment
(µ),
softness
(s),
fraction
transferred
(ΔN)
hardness
η
).
Fukui
function
local
indices
are
used
assess
sites
for
electrophilic
nucleophilic
attacks
inhibitors.
Molecular
performed
analyze
(110)
surface
locator
method.
Theoretical
methods
like
provide
parameters,
explaining
inhibitor
reactivity,
whereas
simulate
(110),
both
supporting
correlating
with
experimental
inhibition
efficiency
trends.
Findings
demonstrates
that
all
exhibit
strong
surface,
high
energies,
good
solubility
low
toxicity,
making
them
effective
acidic
environments.
Among
three,
TBPC
showed
superior
performance,
particularly
HCl,
due
its
optimal
electronic
stable
(1
1
0)
surface.
Originality/value
contributes
field
by
combining
calculations
dynamic
potential
comprehensively.
work
advances
understanding
mechanisms
organic
metal
offers
detailed
analysis.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(20), P. 4825 - 4825
Published: Oct. 11, 2024
The
surface
of
fumed
silica
nanoparticles
was
modified
by
pyridine
carbaldehyde
and
barbituric
acid
to
provide
fumed-Si-Pr-Ald-Barb.
structure
identified
investigated
through
diverse
techniques,
such
as
FT-IR,
EDX,
Mapping,
BET,
XRD,
SEM,
TGA.
This
nanocomposite
used
detect
different
cations
anions
in
a
mixture
H
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 16, 2024
ABSTRACT
In
this
study,
a
new
hybrid
organic–inorganic
nanoporous
material
of
SBA‐Pr‐Is‐Hy
was
synthesized
by
modification
SBA‐15
with
(3‐chloropropyl)triethoxysilane
to
get
SBA‐Pr‐Cl,
which
reacted
isatin
hydrazone
obtain
SBA‐Pr‐Is‐Hy.
This
compound
characterized
different
FT‐IR,
TGA,
SEM,
EDX,
XRD,
and
BET
techniques.
Fluorescence
spectroscopy
studied.
According
the
results,
it
can
detect
Hg
2+
ion
detection
limit
3.5
×
10
−7
M
among
other
metal
cations.
is
toxic
dangerous;
very
important
identify
simple
efficient
methods.
DFT
calculations,
including
molecular
electrostatic
potential
(MEP)
surface,
geometry
optimization,
HOMO–LUMO
analysis,
quantum
chemical
descriptors,
were
investigated
utilizing
B3LYP/6‐311G(d,p)/LANL2DZ
method.
The
calculation
verifies
experimental
mechanism
interaction
between
ligand
.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(3), P. 1166 - 1166
Published: Jan. 24, 2025
Antibacterial
drugs
(commonly
known
as
antibiotics)
are
essential
for
eradicating
bacterial
infections.
Nowadays,
antibacterial
discovery
has
become
an
imperative
need
due
to
the
lack
of
efficacious
antibiotics,
ever-increasing
development
multi-drug
resistance
(MDR),
and
withdrawal
many
pharmaceutical
industries
from
programs.
Currently,
drug
is
widely
recognized
a
multi-objective
optimization
problem
where
computational
approaches
could
play
pivotal
role,
enabling
identification
novel
versatile
agents.
Yet,
tackling
complex
phenomena
such
multi-genic
nature
infections
MDR
major
disadvantage
most
modern
methods.
To
best
our
knowledge,
perturbation-theory
machine
learning
(PTML)
appears
be
only
approach
capable
overcoming
aforementioned
limitation.
The
present
review
discusses
PTML
modeling
suitable
cutting-edge
in
discovery.
In
this
sense,
we
focus
attention
on
application
models
prediction
and/or
design
multi-target
(multi-protein
or
multi-strain)
inhibitors
context
small
organic
molecules,
peptide
design,
metal-containing
nanoparticles.
Additionally,
highlight
future
applications
drug-like
chemotypes
with
multi-protein
multi-strain
activity.
Journal of Computational Biophysics and Chemistry,
Journal Year:
2024,
Volume and Issue:
23(10), P. 1325 - 1338
Published: Aug. 23, 2024
A
cobalt
(II)
mononuclear
complex
was
synthesized
by
two-nitrobenzoic
acid
and
pyrazine-two-carboxamide
ligands
in
the
presence
of
sodium
bicarbonate
aqueous
solution
acetate
tetrahydrate.
The
cobalt(II)
characterized
single
crystal
X-rays
diffraction.
coordination
geometry
octahedral
with
water
molecules
occupying
axial
sites.
lot
intermolecular
interactions
were
response
to
stabilize
supramolecular
assembly
which
inspected
Hirshfeld
surface
analysis.
Enrichment
ratios
calculated
find
pair
atoms
having
highest
propensity
form
packing
interactions.
Void
analysis
conducted
forecast
how
would
respond
applied
stress.
Interaction
energy
calculations
carried
out
using
B3LYP/6-31G(d,p)
electron
density
model
identify
types
most
significantly
contributed
assembly.
Moreover,
data
obtained
from
DFT
showed
an
average
level
stability
molecule.
moderate
HOMO-LUMO
gap
suggested
reactivity,
while
a
high
electrophilicity
index
indicates
strong
tendency
for
electron-accepting
reactions.
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 15, 2024
ABSTRACT
Two
novel
Cr
(III)
and
Ru
salen
complexes
based
on
{3,4‐Bis‐[(5‐chloro‐2‐hydroxy‐benzylidene)‐amino]‐phenyl}‐phenyl‐methanone
ligand
(CSAB)
were
synthesized.
The
characterized
using
various
spectral
analytical
methods.
catalytic
performance
of
the
CSAB
was
investigated
via
a
four‐component
condensation
reaction
involving
aromatic
aldehydes,
rhodamine,
morpholine,
5‐aminotetrazole
under
mild,
environmentally
friendly
conditions.
Different
Lewis
acids,
bases,
ionic
liquid
catalysts,
solvents,
catalyst
amounts
assessed
to
optimize
parameters.
Both
systems
demonstrated
robust
activity
strictly
managed
conditions,
with
heterogeneous
CSAB‐Ru
showing
superior
efficacy
compared
homogeneous
CSAB‐Cr
catalyst.
study
confirmed
capabilities
both
evaluated
their
recyclability
reusability.
(CSAB‐Ru)
could
be
reused
seven
times,
whereas
(CSAB‐Cr)
recycled
four
times.
strong
selectivity,
resulting
in
high
product
yields.
provides
insights
into
synthetic
applications
complexes,
highlighting
potential
organic
transformations.
It
emphasizes
ease
use,
safety,
stability,
component
availability,
quick
yields,
making
them
promising
for
future
industrial
applications.
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
39(1)
Published: Dec. 19, 2024
ABSTRACT
In
our
previous
study,
Schiff
base
(
1
)
complexes
derived
from
2,3‐diaminophenazine
and
metal
ions
Co(II)
2
),
Ni(II)
3
Cu(II)
4
Cd(II)
5
were
synthesized
characterized,
demonstrating
a
significant
biological
activity.
This
study
investigates
their
anticancer
potential,
specifically
against
prostate
cancer.
The
exhibited
notable
reductions
in
cancer
cell
viability,
with
IC
50
values
of
0.531
μM
Ni(II),
0.630
Cu(II),
0.655
Co(II),
comparable
the
standard
drug
enzalutamide.
complex
showed
highest
efficacy,
while
displayed
lowest
(IC
=
0.648
μM).
presence
phenazine
ring
these
enhances
DNA
binding,
contributing
to
effects.
HOMO‐LUMO
calculations
revealed
energy
gaps
ranging
2.525
3.294
eV,
indicating
varying
reactivity
potential
for
interactions.
Molecular
docking
studies
that
compound
binding
affinity
(−9.19
kcal/mol)
cancer‐related
receptor,
hydrogen
bond
dynamics
simulations
over
100
ns
demonstrated
stable
RMSD
below
1.5
Å,
RMSF
analysis
provided
insights
into
protein
flexibility.
ADMET
favorable
drug‐like
properties,
including
good
gastrointestinal
absorption
(>
30%),
high
blood–brain
barrier
permeability
(LogBBB
0.64),
human
intestinal
(68.47%–88.79%).
No
inhibition
CYP2D6
was
observed,
suggesting
low
risk
drug–drug
These
base‐metal
show
promising
activity
profiles,
as
therapeutic
agents
treatment.