Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(38), С. 20842 - 20849
Опубликована: Сен. 16, 2024
Three
new
series
of
3-(substituted)methylthio-4-cyano-5,6,7,8-tetrahydroisoquinolines
were
designed
and
synthesized
starting
from
readily
available
materials,
7-acetyl-4-cyano-1,6-dimethyl-6-hydroxy-8-(4-pyridyl,
3-pyridyl,
phenyl,
4-methoxyphenyl,
or
4-chlorophenyl)-5,6,7,8-tetrahydrosoquinoline-3(2
Bulletin of the Chemical Society of Ethiopia,
Год журнала:
2023,
Номер
38(1), С. 147 - 166
Опубликована: Ноя. 29, 2023
The
present
framework
has
as
its
goal
the
design
and
synthesis
characterization
of
new
mononuclear
1:1:1
(M:L:Q)
mixed-ligand
complexes,
including
FeLQ,
CoLQ,
NiLQ,
CuLQ,
ZnLQ.
"L,"
is
4-[(4-oxo-4,5-dihydro-1,3-thiazol-2-yl)hydrazono]methylphenyl
4-methylbenzenesulfonate,
while
"Q,"
8-hydroxy
quinoline.
According
to
findings,
L
Q
ligands
each
play
role
a
neutral
bi-dentate
NN
monobasic
ON
ligand,
respectively.
findings
demonstrated
an
octahedral
shape.
density
functional
theory
(DFT)
technique
was
employed,
quantum
chemical
descriptors
were
assessed,
optimize
molecular
structure
compounds.
An
in
vitro
investigation
carried
out
investigate
antibacterial
antifungal
activities
activity
metal
complexes
potential
candidates
for
use
antibiotics
antifungals
much
greater
than
that
their
free
ligands.
in-silico
inhibition
1fj4
protein
investigated
using
docking.
ZnLQ
complex
one
inhibited
with
greatest
degree
success.
fact
this
case
lends
credence
notion
these
compounds
have
function
launchpads
development
classes
antibiotics.
KEY
WORDS:
Metal
Schiff-base,
Antimicrobial,
DFT,
Molecular
docking
Bull.
Chem.
Soc.
Ethiop.
2024,
38(1),
147-166.
DOI:
https://dx.doi.org/10.4314/bcse.v38i1.12
Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(3)
Опубликована: Янв. 8, 2024
New
Cu
(II),
VO
Ag(I),
and
Pd
(II)‐[BIP
=
4,6‐dimethyl‐N‐(octahydro‐2H‐benzimidazol‐2‐ylidene)pyrimidin‐2‐amine]
chelates
have
been
synthesized
by
the
reaction
of
BIP
ligand
resulting
from
condensation
benzimidazole
guanidine
as
well
acetylacetone
with
tested
metal
salts.
The
suggested
structures
prepared
compounds
investigated
spectroscopically
through
(FT‐IR,
NMR,
Mass
spectra,
UV–Vis
spectra),
CHN
analyses,
conductivity,
pH
stability
asmagnetic
moment
measurements.
TGA
studies
also
studied
to
govern
thermal
behavior,
stability,
decomposition
chelates.
Structural
study
exposed
their
chemical
transformation
chelation
metals.
predicted
a
hexa‐coordinated
geometry
for
chelates,
whereas
tetra‐coordinated
Ag
DFT/B3LYP
theoretical
method
was
applied
obtain
optimized
geometry,
molecular
electrostatic
potential
(MEP)
surface,
HOMO‐LUMO
analysis
compounds.
For
estimation
in
vitro
study,
all
screened
biochemical
features,
including
antioxidant,
antimicrobial
performances,
cytotoxicity.
antioxidant
performance
molecules
has
DPPH
displayed
close
against
standard
drugs.
cytotoxic
estimated
various
cancer
cell
lines:
(Hep‐G2,
HCT‐116,
MCF‐7)
using
MTT
calculated
viability
corresponding
human
cell.
DNA
binding
capability
evaluated
absorption
spectroscopic,
viscosity
estimation,
gel
electrophoresis.
outcomes
good
tendency
constant
1.01
×
10
4
1.99
M
−1
order
BIPCu>
BIPVO
>
BIPPd
BIPAg,
respectively.
Finally,
docking
simulation
results
indicated
that
complexes
were
located
intercalation
site
confirmed
experimental
findings.
Bulletin of the Chemical Society of Ethiopia,
Год журнала:
2024,
Номер
38(2), С. 325 - 346
Опубликована: Янв. 23, 2024
New
2-[(4-[(4-methylphenyl)sulfonothioyl)methylene]aminobenzoic
acid
ligand-Co(II),
Ni(II),
and
Cu(II)
complexes
are
synthesized
characterized
in
this
article.
Elemental
analysis,
mass
spectroscopy,
conductivity
tests,
magnetic
susceptibility,
Fourier
transform
infrared
thermogravimetric
electronic
absorption
density
functional
theory
calculations
were
used
to
determine
the
coordination
mode,
geometry
of
compounds.
The
Schiff-base
ligand
was
shown
be
mono-negatively
charged
coordinate
metal
ions
a
bi-dentate
mode
through
azomethine
nitrogen
(-CH=N-)
carboxylic
Oxygen
(-COOH).
Density
(DFT)
performed
addition
experimental
data
assess
most
probable
structures
complexes.
In
addition,
biological
activities
these
compounds
evaluated
by
vitro
antibacterial
antifungal
assays.
These
novel
Co(II),
active
against
wide
variety
microorganisms,
including
Gram-positive
Gram-negative
bacteria,
as
well
fungi.
Following
that,
molecular
docking
analyze
complexes'
interactions
with
bacterial
proteins,
validating
therapeutic
potential
metal-containing
compounds.
KEY
WORDS:
Metal
complexes,
Schiff-base,
DFT,
Antibacterial,
Antifungal,
Molecular
docking
Bull.
Chem.
Soc.
Ethiop.
2024,
38(2),
325-346.
DOI:
https://dx.doi.org/10.4314/bcse.v38i2.5
ACS Omega,
Год журнала:
2024,
Номер
9(6), С. 6466 - 6481
Опубликована: Фев. 1, 2024
The
main
target
of
the
current
framework
is
designing
and
synthesizing
novel
iron(III),
cobalt(II),
cupper(II)
complex
compounds
emanating
from
bioactive
nucleus,
4-hydroxy-2H-pyrano[3,2-c]quinoline-2,5(6H)-dione
ligand,
to
enhance
comprehension
as
potential
antibacterial,
antifungal,
antioxidant
alternatives
by
means
using
DFT
calculations
molecular
docking
investigation.
Thus,
new
complexes
had
been
synthesized
characterized
various
analytical
techniques,
including
elemental
analysis,
infrared
spectroscopy,
mass
spectrometry,
UV
conductivity,
magnetic
testing,
well
thermal
analysis.
ligand
exhibits
monobasic
bidentate
OO
donor
properties
toward
metal
core,
shown
its
spectroscopic
characteristics.
use
analysis
techniques
allows
for
identification
characterization
water
molecules
present
inside
complexes,
determination
their
distribution
patterns.
structures
free
have
verified
through
density
functional
theory
(DFT)
simulations.
These
simulations
also
provide
a
valuable
understanding
quantum
chemical
characteristics
associated
with
these
structures.
In
vitro
experiments
were
conducted
evaluate
antioxidant,
antifungal
corresponding
compounds.
DATA
revealed
that
heightened
biological
efficacy
related
unbound
ligand.
Furthermore,
was
done
understand
interactions
between
studied
proteins
derived
Escherichia
coli
(pdb
ID:
2vf5),
Aspergillus
flavus
3cku),
humans
5IJT),
which
are
considered
be
significant
in
drug
design.
Lastly,
correlation
efficacies
data
analyzed.
Molecular Diversity,
Год журнала:
2023,
Номер
28(1), С. 249 - 270
Опубликована: Ноя. 9, 2023
Abstract
Introduction
The
coronavirus
disease
2019
(COVID-19)
pandemic
has
caused
a
global
health
crisis.
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
is
highly
contagious
virus
that
can
cause
illness.
There
no
specific
treatment
for
COVID-19,
and
the
development
of
new
drugs
urgently
needed.
Problem
statement
SARS-CoV-2
main
protease
(M
pro
)
enzyme
critical
viral
plays
vital
role
in
replication.
inhibition
M
be
an
effective
strategy
developing
COVID-19
drugs.
Methodology
An
efficient
operationally
simple
convenient
green
synthesis
method
had
been
done
towards
series
novel
spiro-
N
-(4-sulfamoylphenyl)-2-carboxamide
derivatives,
ethanol
at
room
temperature
conditions,
up
to
90%
yield.
molecular
structures
synthesized
compounds
were
verified
using
spectroscopic
methods.The
title
subjected
silico
analysis,
including
Lipinski’s
rule
ADMET
prediction,
addition
pharmacophore
modeling
docking
against
active
site
target
(6LU7).
Furthermore,
both
top-ranked
(5
6)
standard
Nirmatrelvir
DFT
analysis.
Findings
exhibited
good
binding
affinity
Mpro
enzyme,
with
energy
scores
ranging
from
−
7.33
kcal/mol
(compound
6
7.22kcal/mol
5
6.54
(compounds
8
9
).
(
lower
HOMO–LUMO
difference
(ΔE)
than
drug
Nirmatrelvir.
This
highlights
potential
relevance
charge
transfer
level.
Recommendation
These
findings
suggest
spiro-N-(4-sulfamoylphenyl)-2-carboxamide
derivatives
could
candidates
development.
To
confirm
these
drugs'
antiviral
efficacy
vivo,
more
research
required.
With
very
little
possibility
failure,
this
proven
aid
search
pandemic's
desperately
needed
medications.
Graphical
abstract