Chemistry & Biodiversity,
Год журнала:
2023,
Номер
20(12)
Опубликована: Ноя. 13, 2023
This
report
presents
the
synthesis
and
characterization
of
a
range
benzimidazolium
salts
featuring
3-cyanopropyl
groups
on
1st
nitrogen
atom
varied
alkyl
3rd
within
benzimidazole
structure.
Benzimidazolium
were
synthesized
by
N-alkylation
1-alkyl
with
3-cyanopropyl-bromide.
The
new
characterized
1
H
13
C-NMR,
FT-IR
spectroscopic
elemental
analysis
techniques.
In
this
study,
enzyme
inhibition
abilities
seven
nitrile
substituted
investigated
against
acetylcholinesterase
(AChE)
carbonic
anhydrase
isoenzymes
I
II
(hCA
hCA
II).
They
showed
highly
potent
effect
AChE,
(Ki
values
are
in
26.71-119.09
nM
for
19.77
to
133.68
13.09
266.38
Reflecting
binding
mode
cyanopropyl
series,
importance
2,3,5,6-tetramethylbenzyl,
3-methylbenzyl
3-benzyl
optimal
interactions
target
proteins,
evaluated
molecular
docking
studies.
At
same
time,
findings
support
constants
)
related
compounds
study.
Potential
also
their
pharmacokinetic
properties
predicted.
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(24), С. 10979 - 10989
Опубликована: Янв. 1, 2024
Investigating
innovative
frameworks
for
addressing
Alzheimer's
disease
is
a
challenging
goal.
In
this
specific
scenario,
selection
of
asymmetric
biscarbothioamide
derivatives
(3a–l)
with
different
substitutions
has
been
carefully
formulated
and
successfully
synthesized.
Journal of Biochemical and Molecular Toxicology,
Год журнала:
2024,
Номер
38(4)
Опубликована: Апрель 1, 2024
Abstract
Doxorubicin
(DOX)
is
widely
used
in
cancer
treatment
but
the
dose‐related
toxicity
of
DOX
on
organs
including
liver
limit
its
use.
Therefore,
there
great
interest
combining
with
natural
compounds
antioxidant
properties
to
reduce
and
increase
drug
efficacy.
Esculetin
a
coumarin
derivative
biological
encompassing
anti‐inflammatory
activities.
In
light
these
properties,
this
study
was
meticulously
crafted
investigate
potential
esculetin
preventing
doxorubicin
(DOX)‐induced
hepatotoxicity
Sprague‐Dawley
rats.
The
rats
were
divided
into
total
six
groups:
control
group,
group
(administered
at
cumulative
dose
5
mg/kg
intraperitoneally
every
other
day
for
2
weeks),
E50
50
day),
E100
100
day)
combined
groups
(DOX
+
E100)
which
administered
together
DOX.
treatments,
both
alone
combination
E50,
manifested
reduction
catalase
(CAT
mRNA)
levels
comparison
group.
Notably,
enzymatic
activities
superoxide
dismutase
(SOD),
CAT,
glutathione
peroxidase
(GPx)
witnessed
significant
decreases
treated
Moreover,
induced
statistically
elevation
malondialdehyde
(MDA)
levels,
coupled
concurrent
decrease
(GSH)
levels.
Additionally,
molecular
docking
studies
conducted.
However,
further
are
needed
confirm
hepatoprotective
precisely
elucidate
mechanisms
action.
European Journal of Medicinal Chemistry Reports,
Год журнала:
2024,
Номер
10, С. 100129 - 100129
Опубликована: Янв. 8, 2024
This
research
aims
to
design
and
synthesize
novel
derivatives
of
Cefuroxime
evaluate
their
antibacterial
effectiveness
in
comparison
decrease
resistance.
Schotten
Baumann's
reaction
synthesizes
anhydride
from
acyl
chlorides
carboxylate
anion.
sodium
was
reacted
with
benzoyl
chloride,
4-bromobenzoyl
4-nitrobenzoyl
chloride
make
derivatives.
The
were
characterized
using
spectral
analysis.
Antimicrobial
activity,
cytotoxicity,
in-silico
molecular
docking
nine
different
class
(Penicillin
Binding
Proteins)
PBPs,
ADMET
analysis
assessed
for
the
analogs.
Three
molecules,
Cef-1,
Cef-2,
Cef-3,
are
synthesized
In
various
organisms,
outperformed
antimicrobial
activity.
many
Cef-1
has
highest
zone
inhibition.
Cef-3
inhibit
Klebsiella
pneumoniae
better
than
Cef-2
Cefuroxime.
greatest
Cef-2-induced
inhibition
Salmonella
Typhimurium
29.33
±
0.47
mm.
Significant
susceptibility
test
activity
observed
lower
inhibitory
concentration
(12.5
μg/ml)
compared
across
species.
Compound
cytotoxicity
is
low,
according
research.
consensus
scores
show
that
all
bind
cefuroxime.
According
results
study,
strongest
correlation
PBP1a,
PBP2a,
PBP3,
PBP4,
PBP6,
whereas
a
stronger
association
PBP1b,
PBP2b,
PBP2x,
PBP5.
Like
greater
affinity
PBP2x.
Docking
indicated
drugs
bound
Cefuroxime,
indicating
superior
efficacy.
studies
showed
oral
bioavailability
increased
by
increasing
lipophilicity
score
0.17
cefuroxime
0.11.
Molecules,
Год журнала:
2023,
Номер
28(14), С. 5389 - 5389
Опубликована: Июль 13, 2023
The
development
of
novel
scaffolds
that
can
increase
the
effectiveness,
safety,
and
convenience
medication
therapy
using
drug
conjugates
is
a
promising
strategy.
As
result,
are
an
active
area
research
in
medicinal
chemistry.
This
demonstrates
acetamide–sulfonamide
scaffold
preparation
after
conjugation
ibuprofen
flurbiprofen
with
sulfa
drugs,
these
were
then
screened
for
urease
inhibition.
newly
designed
confirmed
by
spectroscopic
techniques
such
as
IR,
1HNMR,
13CNMR,
elemental
analysis.
Ibuprofen
conjugated
sulfathiazole,
sulfadiazine,
sulfamethoxazole
found
to
be
potent
demonstrated
competitive
mode
inhibition,
IC50
(µM)
values
9.95
±
0.14,
16.74
0.23,
13.39
0.11,
respectively,
inhibition
90.6,
84.1,
86.1%
respectively.
sulfanilamide,
sulfamerazine,
sulfacetamide,
whereas
sulfacetamide
exhibited
mixed
Moreover,
through
molecular
docking
experiments,
receptor-binding
mechanisms
inhibitors
anticipated,
stability
analysis
MD
simulations
showed
compounds
made
stable
complexes
respective
targets
no
conformational
changes
occurred
during
simulation.
findings
demonstrate
approved
therapeutic
molecules
may
result
classes
pharmacological
agents
treatment
various
pathological
conditions
involving
enzyme.
Frontiers in Chemistry,
Год журнала:
2023,
Номер
11
Опубликована: Авг. 3, 2023
Derivative
synthesis
has
been
a
crucial
method
for
altering
the
effects
of
already-approved
medications,
especially
to
lessen
adverse
and
enhance
results.
Making
use
this
multi-target
approach,
series
naproxen-sulfa
drug
conjugates
was
designed
synthesized.
The
newly
were
confirmed
by
spectroscopic
techniques
like
IR,
1HNMR,
13CNMR,
elemental
analysis.
screened
anti-inflammatory,
urease,
cyclooxygenase-2
(COX-2)
inhibition.
Naproxen
conjugated
with
sulfanilamide,
sulfathiazole,
sulfaguanidine
found
potent
showed
competitive
mode
urease
inhibition,
IC50
(µM)
values
6.69
±
0.11,
5.82
0.28,
5.06
0.29,
respectively.
When
compared
other
conjugates,
naproxen-sulfamethoxazole
conjugation
better
anti-inflammatory
action
inhibiting
induced
edema
82.8%,
which
is
comparable
medication
indomethacin
(86.8%
inhibition).
Whereas
it
exhibited
75.4%
inhibition
COX-2
at
10
µM
concentration
reference
(celecoxib,
77.1%
Moreover,
binding
modes
inhibitors
receptor
predicted
through
molecular
docking
studies
their
stability
analysis
MD
simulations
that
these
compounds
made
stable
complexes
respective
targets
there
no
conformational
changes
occurred
during
simulation.
obtained
results
approved
therapeutic
molecules
may
lead
development
novel
types
pharmacological
agents
in
treatment
several
pathological
disorders
where
enzymes
are
involved.
ACS Omega,
Год журнала:
2023,
Номер
8(48), С. 46165 - 46181
Опубликована: Ноя. 22, 2023
The
search
for
novel
drug
scaffolds
that
can
improve
effectiveness
and
safety
through
conjugates
is
a
promising
approach.
Consequently,
constitute
dynamic
field
of
study
advancement
within
medicinal
chemistry.
This
research
demonstrates
the
conjugation
diclofenac
mefenamic
acid
with
sulfa
drugs
their
screening
urease
inhibition.
These
conjugates'
structural
confirmation
was
performed
using
elemental
analysis
spectroscopic
methods,
including
IR,
1H
NMR,
13C
NMR.
Diclofenac
conjugated
sulfanilamide
(4),
sulfacetamide
(10),
(12),
sulfamethoxazole
(17)
found
potent
demonstrated
inhibition
competitively,
IC50
(μM)
values
3.59
±
0.07,
5.49
0.34,
7.92
0.27,
8.35
0.26,
respectively.
sulfathiazole
(6),
sulfamerazine
(8),
sulfaguanidine
(11),
while
sulfisoxazole
(13),
(14),
sulfadiazine
(15)
exhibited
mixed
mode
were
16.19
0.21,
9.50
0.28,
4.35
0.23,
15.86
0.25,
14.80
Furthermore,
molecular
docking
studies
employed
to
predict
binding
pose
competitive
inhibitors
at
active
site.
generated
stable
complexes
protein
observed
dynamics
(MD)
simulations,
where
no
conformational
changes
occurred
throughout
simulations.
results
highlight
potential
approved
therapeutic
molecule
give
rise
new
categories
pharmacological
agents
similarity
sulfonamides
urea
allows
them
compete
site
enzyme.
Sulfonamides
nonsteroidal
anti-inflammatory
(NSAIDs)
interact
hydrophobically
enzyme,
which
may
disturb
its
structure
catalytic
activity.
Therefore,
these
be
helpful
in
development
treatment
variety
illnesses
enzyme
involved.