Chemistry & Biodiversity,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 10, 2024
ABSTRACT
Sulfonate
derivatives
are
an
essential
class
of
compounds
with
diverse
pharmacological
applications.
This
study
presents
the
synthesis
and
detailed
characterization
six
novel
Schiff
base
sulfonate
(
L
1
–L
6
)
through
spectroscopic
techniques
(FT‐IR
NMR).
Their
inhibitory
potential
was
evaluated
against
human
carbonic
anhydrase
isoenzymes
h
CA
I
II)
acetylcholinesterase
(AChE),
which
crucial
therapeutic
targets
for
diseases
such
as
glaucoma,
epilepsy,
Alzheimer's
disease.
The
K
values
concerning
AChE,
I,
II
enzymes
were
in
ranges
106.10
±
14.73
to
422.80
17.64
nM
(THA:
159.61
8.41
nM),
116.90
24.40
268.00
35.84
(AAZ:
439.17
9.30
177.00
35.03
435.20
75.98
98.28
1.69
respectively.
Molecular
docking
analyses
revealed
key
interactions
within
active
sites
enzymes,
including
hydrogen
bonding
critical
residues
π–π
stacking
interactions.
Notably,
3
demonstrated
superior
inhibition
:
nM)
AChE
positioning
it
a
promising
lead
compound.
comprehensive
investigation
contributes
development
isoform‐specific
inhibitors
use
provides
valuable
insights
into
their
binding
mechanisms.
findings
underscore
sulfonates
scaffolds
drug
discovery
neurodegenerative
metabolic
disorders.
Journal of Biochemical and Molecular Toxicology,
Journal Year:
2024,
Volume and Issue:
38(4)
Published: April 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.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(25), P. 18011 - 18063
Published: Jan. 1, 2024
This
literature
update
is
a
continuation
of
our
efforts
to
compile
comprehensive
data
on
research
endeavors
concerning
acyl
thioureas
over
the
past
two
years.
Journal of Sulfur Chemistry,
Journal Year:
2024,
Volume and Issue:
45(5), P. 786 - 828
Published: April 24, 2024
Thiazole
derivatives
have
long
been
a
hot
topic
in
pharmaceutical
research
and
remain
among
the
greatest
active
fields
heterocyclic
chemistry.
derivatives,
as
one
of
potentially
favored
structure,
extensively
desirable
by
industrial
medicinal
researchers
gained
significant
success
previous
decades
due
to
their
various
biological
activities,
such
anticancer,
antibacterial,
antifungal,
anti-HIV,
antiulcer,
anti-inflammatory
activity.
In
addition,
many
thiazole
drugs
are
well-known
pharmaceuticals
on
market.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(28)
Published: July 23, 2024
Abstract
Thiosemicarbazone
derivative
was
obtained
by
the
addition
of
thiosemicarbazide
to
5‐nitro‐thiophene‐2‐carbaldehyde.
The
addition–cyclization
2‐bromoacetophenone
thiosemicarbazone
gave
new
thiazole
derivatives
(
2
a‐k
).
Acetylcholinesterase
(AChE),
butyrylcholinesterase
(BChE),
antioxidant,
and
human
carbonic
anhydrase
(hCA)
I
II
isoform
inhibitory
activities
were
investigated.
effects
on
(hCA
I–II)
isoenzymes
examined
in
vitro
using
esterase
method.
IC
50
values
for
enzyme
inhibition
found
be
2.661–22.712
μM
hCA
5.372–26.813
II.
All
reduced
potential
inhibitor
molecule
candidates.
These
compounds
have
minimal
AChE
BChE.
antioxidant
properties
target
determined
DPPH
ferric
ion‐chelating
assays.
In
particular,
k
h
had
highest
effect
series
with
30.11±0.008
30.21±0.006
μM,
respectively.
ADMET
effective
evaluated
their
interactions
molecular
docking.
Synthetic Communications,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 24
Published: Dec. 3, 2024
The
current
review
investigates
the
reactivity
of
2,3-diaminonaphthalene-1,4-dione
in
production
substituted
and
annulated
1,4-naphthoquinones.
2,3-Diaminonaphthalene-1,4-dione
has
two
adjacent
amino
functions,
allowing
for
reactions
with
a
variety
electrophilic
centers.
They
are
regarded
as
effective
chemical
reagents
capable
producing
wide
range
heterocyclic
derivatives
biological
applications
favorable
electrochemical
properties.
We
reviewed
all
available
papers
on
synthesis
1,4-naphthoquinones
via
various
electrophiles.
This
includes
reports
which
is
annulated,
yielding
heterocycles
mono-,
bi-,
tri-,
tetracyclic
rings.
divided
into
sections
based
type
annulation
system
number
heteroatoms
each
system.
Preparative Biochemistry & Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 17
Published: Jan. 3, 2025
In
this
paper,
we
have
analyzed
biodesulfurization
of
dibenzothiophene
(DBT)
and
4,6-dibenzothiophene
(4,6-DMDBT)
by
4S
metabolic
pathway
using
molecular
simulations.
Docking
analysis
revealed
lower
binding
energies
inhibition
constants
(Ki)
for
4,6-DMDBT
its
intermediates
with
DSZ
enzymes
than
DBT
intermediates.
The
complexes
substrate
metabolites
had
higher
stability
owing
to
RMSF
values
apoprotein.
docking
affinity
the
inhibitors
HBPS
HBP
(for
DBT)
DMHBPS
DMHBP
4,6-DMDBT)
toward
enzyme
due
negative
energies.
Molecular
dynamics
simulations
showed
several
enzyme–inhibitor
complexes.
inhibitory
effect
on
DSZC
(Ki
=
1.53
µM)
DSZB
3.87
was
most
marked.
moderate
Ki
6.36
7.93
µM,
respectively.
DSZA
insignificant
high
53.6
µM.
summary,
enzyme–substrate
strong
(due
very
low
Ki)
contribute
slower
as
compared
DBT.
