Molecules,
Journal Year:
2024,
Volume and Issue:
29(21), P. 5040 - 5040
Published: Oct. 25, 2024
Allylic
oxygenated
derivatives
of
himachalenes
are
highly
valued
molecules
due
to
their
potential
applications
in
perfumery,
cosmetics,
and
pharmaceuticals.
Previous
attempts
at
catalyzed
allylic
oxidation
led
the
formation
a
very
stable
η
Anti-Corrosion Methods and Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
Purpose
This
study
aims
to
synthesize
two
organic
heterocyclic
compounds,
(2E,3E)-6-chloro-2,3-dihydrazinylidene-1-methyl-1,2,3,4-tetrahydroquinoxaline
(MR1)
and
(2E,3E)-2,3-dihydrazinylidene-1-methyl-1,2,3,4-tetrahydroquinoxaline
(MR2),
characterize
them
using
nuclear
magnetic
resonance
spectroscopy
(1H-NMR
13C-NMR)
evaluate
their
effectiveness
as
corrosion
inhibitors
in
an
acidic
environment
(15%
HCl).
Design/methodology/approach
The
synthesized
MR1
MR2,
were
tested
for
inhibition
properties
potentiodynamic
polarization
electrochemical
impedance
spectroscopy.
Post-corrosion,
the
steel
surface
was
analyzed
with
scanning
electron
microscopy
(SEM),
energy-dispersive
X-ray
(EDX)
atomic
force
(AFM)
confirm
adsorption
of
compounds.
experimental
findings
further
supported
by
density
functional
theory
calculations
molecular
dynamics
simulations.
Findings
results
indicated
that
both
MR2
exhibit
significant
anticorrosive
activity
a
15%
HCl
environment.
analyses
performed
SEM,
EDX
AFM
confirmed
effective
on
surface,
forming
protective
layer.
Theoretical
studies
provided
additional
insights
into
mechanisms
stability
inhibitors.
Originality/value
work
introduces
novel
compounds
based
quinoxalinone
environments.
combined
theoretical
approach
provides
comprehensive
understanding
behavior.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 10, 2025
Background
The
increasing
demand
for
natural
alternatives
in
diabetes
treatment
has
driven
research
into
plant-derived
metabolites,
particularly
essential
oils
(EOs)
with
bioactive
properties.
This
study
aims
to
optimize
an
EO
mixture
inhibiting
two
key
enzymes
involved
glucose
digestion:
pancreatic
α-amylase
and
intestinal
α-glucosidase.
Methods
Essential
were
extracted
from
three
Moroccan
medicinal
plants:
false
yellowhead
(
Inula
viscosa
L.),
rose
geranium
Pelargonium
graveolens
L'Hér.),
lemongrass
Cymbopogon
citratus
(DC.)
Stapf.).
Gas
chromatography-mass
spectrometry
(GC-MS)
analysis
identified
metabolites
each
EO.
A
statistical
design
was
employed
evaluate
different
ratios
their
inhibitory
effects
on
Additionally,
density
functional
theory
(DFT)
calculations
molecular
docking
simulations
conducted
assess
the
metabolites'
electronic
properties
interaction
potential
target
enzymes.
Results
GC-MS
32
P
.
,
citronellol
(18.67%),
eucalyptol
(13.30%),
2-octen-1-ol
(8.12%)
as
major
components.
I
contained
18
dominated
by
2-camphanol
acetate
(51.12%)
camphol
(19.32%),
while
C.
had
23
α-citral
(24.70%)
2-isopropenyl-5-methylhex-4-enal
(29.25%)
constituents.
optimal
formulation
α-glucosidase
inhibition
a
binary
of
73%
27%
P.
In
contrast,
best
blend
consisted
56%
44%
I.
DFT
confirmed
electrophilic
nature
supporting
enzyme
interaction.
Molecular
suggested
that
these
phytochemicals
could
exhibit
stronger
than
acarbose,
widely
used
antidiabetic
drug.
Conclusion
These
findings
highlight
optimized
formulations
managing
hyperglycemia
developing
novel
therapies.