Applied Organometallic Chemistry,
Journal Year:
2022,
Volume and Issue:
36(11)
Published: Aug. 22, 2022
Two
new
Fe
(III)
and
Cr
complexes
had
been
synthesized
structurally
characterized.
The
were
based
on
2‐methyl‐benzimidazole
(MB)
salicylic
acid
(H2L).
Elemental
analyses,
Fourier
transform
infrared
spectroscopy,
UV‐–Vis,
mass
spectra,
conductivity,
magnetic,
thermal
measurements
used
to
formulate
the
compounds
structures.
results
revealed
octahedral
geometry
for
both
of
complexes.
Structure
elucidation
these
was
also
supported
by
density
functional
theory
(DFT)
along
with
optimized
geometrical
parameters.
Natural
bond
orbital
analysis
molecular
electrostatic
potential
investigated.
Electronic
absorption
spectra
theoretically
performed
using
time‐dependent
TD‐DFT/B3LYP
in
gas
phase
acetonitrtile
as
a
solvent.
Furthermore,
bio‐mimicking
activity
antimicrobial
anti‐inflammatory
understudy
vitro
screened.
showed
that
exhibited
higher
pathogenic
action
than
free
ligands.
Molecular
docking
investigation
against
3T88
(
E.
Coli
)
5IKT
(Cyclooxygenase‐2)
carried
out
provide
deep
insights
into
their
role
inhibiting
growth
microbes.
Materials,
Journal Year:
2023,
Volume and Issue:
16(3), P. 897 - 897
Published: Jan. 17, 2023
A
new
heterocyclic
azo
dye
ligand
(L)
was
synthesized
by
the
combination
of
4-amino
antipyrine
with
4-aminophenol.
The
Cr(III),
Mn(II),
Fe(III),
Co(II),
Ni(II),
Cu(II),
Zn(II),
and
Cd(II)
complexes
were
in
excellent
yields.
metal
chelate
structures
elucidated
using
elemental
analyses,
FT-IR,
1H-NMR,
mass,
magnetic
moment,
diffused
reflectance
spectral
thermal
analysis
(TG-DTG),
molar
conductivity
measurement.
According
to
FT-IR
study,
exhibited
neutral
tri-dentate
behavior,
binding
ions
N,
carbonyl
O,
protonated
phenolic
OH.
1H-NMR
study
Zn(II)
complex
supported
coordination
zo
without
proton
displacement
Diffused
moment
studies
revealed
octahedral
geometry
complexes,
as
well
their
good
electrolytic
nature,
excepting
which
nonelectrolytes,
deduced
from
study.
theoretical
calculations
optimized
HOMO-LUMO
energies,
geometrical
parameters,
electronic
spectra,
natural
atomic
charges,
3D-plots
MEP,
vibrational
wavenumbers
computed
LANL2DZ
6-311G
(d,
p)
basis
sets
density
functional
theory
(DFT)
approach
B3LYP
DFT
TD-DFT
methods.
have
been
assayed
for
antimicrobial
activity
compared
standard
drugs.
Most
manifested
against
various
microbial
strains.
molecular
docking
investigation
also
performed,
acquire
more
information
about
mode
energy
its
Escherichia
coli
receptor
docking.
Altogether,
newly
created
showed
positive
antibacterial
effects
are
worth
future
ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(29), P. 25877 - 25891
Published: July 14, 2023
This
work
synthesized
three
new
CrAz2,
MnAz2,
and
FeAz2
complexes
investigated
them
using
IR,
mass,
UV
spectroscopy,
elemental
analysis,
conductivity
magnetic
tests,
thermogravimetric
analysis.
The
azo-ligand,
4-(2-hydroxyphenylAzo)-1-naphthol
(Az),
couples
with
metal
ions
via
its
nitrogen
(in
-N=N-
bonds)
oxygen
hydroxyl
group)
atoms,
according
to
the
IR
spectra
of
these
complexes.
Through
thermal
examination
(TG/TGA),
number
location
water
in
were
also
determined.
Density
functional
theory
(DFT)
is
applied
ameliorate
structures
ligand
(Az)
analyze
quantum
chemical
characteristics
antifungal
antibacterial
activity
opposed
several
hazardous
bacteria
fungi
was
vitro.
Metal
discovered
have
a
higher
inhibitory
impact
on
some
organisms
than
free
ligand.
MnAz2
complex
exhibited
best
among
studied
materials,
whereas
CrAz2
had
lowest.
compounds'
binding
affinity
E.
coli
(PDB
ID:
1hnj)
structure
predicted
molecular
docking.
Binding
energies
calculated
by
analyzing
protein-substrate
interactions.
These
encouraging
findings
imply
that
chemicals
may
physiological
effects
be
valuable
for
variety
medical
uses
future.
Life,
Journal Year:
2023,
Volume and Issue:
13(4), P. 912 - 912
Published: March 30, 2023
Since
the
first
report
of
organoselenium
compound,
ebselen,
as
a
potent
inhibitor
SARS-CoV-2
Mpro
main
protease
by
Z.
Jin
et
al.
(Nature,
2020),
different
OSe
analogs
have
been
developed
and
evaluated
for
their
anti-COVID-19
activities.
Herein,
organoselenium-clubbed
Schiff
bases
were
synthesized
in
good
yields
(up
to
87%)
characterized
using
spectroscopic
techniques.
Their
geometries
studied
DFT
B3LYP/6-311
(d,
p)
approach.
Ten
FDA-approved
drugs
targeting
COVID-19
used
model
pharmacophores
interpret
binding
requirements
inhibitors.
The
antiviral
efficiency
novel
compounds
was
assessed
molecular
docking
against
6LU7
protein
investigate
possible
interactions.
Our
results
showed
that
primary
bound
ligands
with
high
energy
scores
ranging
from
-8.19
-7.33
Kcal/mol
4c
4a
-6.10
-6.20
6b
6a.
Furthermore,
data
are
Moreover,
drug-likeness
studies,
including
Lipinski's
rule
ADMET
properties,
also
assessed.
Interestingly,
candidates
manifested
solid
pharmacokinetic
qualities
studies.
Overall,
demonstrated
organoselenium-based
might
serve
epidemic.
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(2), P. 213 - 213
Published: Jan. 17, 2023
During
recent
decades,
the
complexation
of
organic
ligands
toward
several
metal
ions
s-p
and
d-block
has
been
applied
as
a
plan
to
enhance
its
antioxidant
performance.
Due
their
wide
range
beneficial
impacts,
coordination
compounds
are
widely
used
in
industries,
specifically
medicinal
pharmaceutical
fields.
The
activity
is
generally
improved
by
chelation
consequently
knowing
that
characteristics
both
metals
can
lead
development
greatly
active
compounds.
Chelation
substitute
for
using
traditional
synthetic
antioxidants,
because
chelates
present
benefits,
including
variety
geometry,
oxidation
states,
number,
assist
favor
redox
methods
associated
with
action.
As
well
understanding
best
studied
anti-oxidative
assets
these
compounds,
involved
free
radical
scavenging
process
protecting
human
organisms
from
opposing
effects
radicals.
ability
be
assessed
various
interrelated
systems.
methodological
modification
offers
most
knowledge
on
property
chelates.
Colorimetric
techniques
used,
though
electron
paramagnetic
resonance
(EPR)
an
alternative
metallic
since
color
does
not
affect
results.
Information
about
systems,
restrictions,
permits
dependable
valuation
performance
assisting
application
states
wherever
drugs
required,
such
food
protection,
appropriate
good-packaged
foods,
dietary
supplements,
others.
Because
new
exhaustive
analysis
ligands,
it
become
separate
field
research
chemistry.
investigation
will
respected
providing
foundation
properties
future
tests
building
high-quality
antioxidative
Asian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
35(6), P. 1509 - 1517
Published: Jan. 1, 2023
By
refluxing
4-nitro-o-phenylenediamine
and
5-nitro
salicylaldehyde,
a
new
Schiff
base
ligand
was
synthesized.
reacting
the
appropriate
precursor
with
tetradentate
ligand,
three
nitro-substituted
nickel(II),
zinc(II)
cadmium(II)
complexes
were
UV-Visible,
FTIR
1H
NMR
spectral
investigations
used
to
characterize
ligand.
Molar
conductance,
LC-MS,
UV-visible
spectrum
analysis
synthesized
metal(II)
complexes.
The
also
tested
for
antibacterial
activity.
DFT
simulations
performed
at
B3LYP/6-311G
(d,p)
LanL2dz
levels
of
theory
utilized
study
geometry
In
addition,
molecular
orbital
occupancy
HOMO
LUMO,
as
well
electrostatic
potential
(MEP),
computed.
Molecular
docking
investigation
conducted
utilizing
active
sites
E.
coli
FabH-CoA
complex
(PDB
ID:
1HNJ)
receptor
in
order
detect
interactions
between
define
their
likely
binding
locations.
Applied Organometallic Chemistry,
Journal Year:
2023,
Volume and Issue:
37(7)
Published: May 11, 2023
The
main
purpose
of
the
current
work
is
design
and
synthesis
new
Co(II),
Ni(II),
Cu(II)
mixed‐ligand
complexes
derived
from
simple
easily
synthesized
azo‐ligand,
[2‐(phenylthio)phenyl]diazenyl}‐2‐naphthol
(HTe),
with
8‐hydroxyquinoline
(HQ)
to
improve
understanding
their
action
as
an
antimicrobial
candidate
therapeutic
efficiency
aid
density
functional
theory
(DFT)
calculations
molecular
docking
studies,
which
considered
a
hot
topic
research.
To
access
this
target,
explore
effect
changing
metal
ion
type,
were
firstly
characterized
via
elemental
analysis,
Fourier
transform
infrared
(FT‐IR),
mass
spectrometry,
ultraviolet–visible
spectroscopy,
magnetic
susceptibility,
thermogravimetric
analysis
(TGA),
stoichiometry
molar
ratio
method.
Upon
further
inspection,
octahedral
structures
isolated
found.
compounds'
optimized
using
DFT
technique,
quantum
chemical
parameters
evaluated.
determine
whether
or
not
these
compounds
are
effective
in
preventing
spread
harmful
bacteria
fungi,
two
most
common
environmental
pollutants
Arab
world,
disc
diffusion
test
was
conducted.
prepared
much
more
efficient
against
than
pristine
ligands.
Molecular
experiments
helped
researchers
learn
medicines
inhibited
1fj4
protein.
All
other
tested
found
have
lower
binding
affinities
CuTeQ.
This
suggests
that
potential
starting
points
for
production
classes
antibiotics.
Finally,
correlation
vitro
activity
data
has
been
done
discussed.