In
this
work,
synthesis
as
well
detailed
structural
and
computational
analyses
of
the
novel
isoniazid
derivative,
namely
N'-isonicotinoylpicolinohydrazonamide
(1),
are
reported.
The
obtained
compound
was
examined
by
microanalysis,
IR,
1H
NMR
spectroscopy
single
crystal
X-ray
diffraction.
packing
studied
Hirshfeld
surface
analysis.
Molecules
in
structure
1
linked
through
N–H∙∙∙O
N–H∙∙∙N
hydrogen
bonds,
π∙∙∙π
interactions,
yielding
a
1D
supramolecular
chain.
According
to
analysis,
is
primarily
dictated
H∙∙∙H,
H∙∙∙C,
H∙∙∙N
H∙∙∙O
contacts,
which
latter
three
contacts
highly
favoured.
further
characterized
favoured
C∙∙∙C
contacts.
Compound
also
using
DFT
gas
phase,
revealed
its
pronounced
electrophilic
features.
most
electron-rich
(nucleophilic)
sites
were
for
carbonyl
oxygen
atom,
4-pyridyl
imine
nitrogen
atoms,
while
electron-deficient
(electrophilic)
found
NH
NH2
atoms.
predicted
belong
fourth
class
toxicity
exhibits
negative
blood-brain
barrier
penetration
positive
gastrointestinal
absorption
property.
silico
molecular
docking
applied
probe
potential
inhibotor
series
SARS-CoV-2
proteins
it
that
potentially
active
against
all
with
best
activity
Nonstructural
protein
3
(Nsp3_range
207–379-MES).
It
established
scores
cavities,
where
initial
ligands
located,
except
Papain-like
protease
(PLpro).
binding
affinity
other
cavity
about
0.8
kcal/mol
being
more
efficient.
Molecular
dynamics
simulations
evaluate
stability
complexes
PLproI–1,
PLproII–1
Nsp_range
207–379-MES–1.
Complex
PLproI–1
be
unstable,
207–379-MES–1
stable.
Journal of Sulfur Chemistry,
Год журнала:
2023,
Номер
45(1), С. 120 - 137
Опубликована: Сен. 22, 2023
AbstractIn
the
present
contribution,
a
novel
cyclobutane-derived
thiazole–thiourea
hybrid
1-(4-(3-methyl-3-phenylcyclobutyl)thiazol-2-yl)−3-(p-tolyl)thiourea
(1),
which
was
readily
fabricated
from
addition
of
p-isothiocyanatotoluene
to
4-(3-methyl-3-phenylcyclobutyl)thiazol-2-amine,
is
reported.
The
formation
1
firmly
confirmed
by
means
elemental
analysis,
and
IR
1H
NMR
spectroscopy.
Theoretical
DFT-based
computations
were
additionally
applied
reveal
structure
electronic
features
title
compound.
chemical
activity
estimated
reactivity
descriptors
MEP
surface.
ADMET
properties
reported
compound
predicted
in
silico
using
online
services.
Potential
inhibition
series
SARS-CoV-2
tick-borne
encephalitis
proteins
studied
molecular
docking,
which,
turn,
allowed
ligand
efficiency
scores
for
resulting
protein–1
complexes.
It
established
that
exhibits
best
against
Nonstructural
protein
14
(N7-MTase)
virus
(TBEV)
glycoprotein
amongst
TBE
proteins,
respectively.KEYWORDS:
Cyclobutanethiazolethioureasynthesiscomputational
studymolecular
docking
Disclosure
statementNo
potential
conflict
interest
author(s).
Applied Organometallic Chemistry,
Год журнала:
2023,
Номер
38(2)
Опубликована: Дек. 19, 2023
In
this
study,
Schiff
base
ligand
1,1′‐((propane‐1,3‐diylbis
[azaneylylidene])
bis
(methaneylylidene))bis
(naphthalen‐2‐ol)
based
Organyltellurium
(IV)
complexes
were
synthesized
with
formulae
C
32
H
27
ClN
2
O
3
Te
(5a)\C
31
25
(5b)\C
(5c)\
39
34
N
4
(5d)\
37
30
(5e)\
(5f)
for
acquiring
a
potential
therapeutic
agent.
The
compounds
characterized
by
ultraviolet–visible
(UV–Vis),
FT‐IR,
1
H‐NMR,
13
C‐NMR,
mass
spectrometry,
molar
conductance,
elemental
analysis,
powder
X‐ray
diffraction
and
EDAX,
which
states
that
the
tetradentate
(HNDP)
coordinated
via
oxygen
nitrogen
atom
tellurium
giving
hexa‐coordinated
complexes.
thermal
features
of
studied
using
(TGA
DTG)
technique.
biochemical
behavior
its
was
assessed
examining
their
reactivity
against
various
microbial
strains,
DPPH
free
radicals
as
well
normal
cancer
cells.
complex
5c
exhibited
highest
inhibition
activity
bacterial
strains
while
5f
showed
strongest
fungal
strains.
Complexes
5e
displayed
most
effective
suppression
radicals.
results
in
vitro
cytotoxicity
study
revealed
5a
demonstrated
moderate
cytotoxic
effect
on
L929
cell
lines.
Complex
significant
PC3
line.
Moreover,
5a,
best
Saos‐2
Additionally,
structural
forms
elucidated
DFT
study.
Furthermore,
pharmacokinetic
ADMET
properties
estimated
drug
similarity
behavior.
advocate
can
be
utilized
biological
drugs.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(5), С. 4660 - 4660
Опубликована: Фев. 28, 2023
We
report
synthesis
of
a
novel
1,2,3,4-tetrahydroquinazoline
derivative,
named
2-(6,8-dibromo-3-(4-hydroxycyclohexyl)-1,2,3,4-tetrahydroquinazolin-2-yl)phenol
(1),
which
was
obtained
from
the
hydrochloride
4-((2-amino-3,5-dibromobenzyl)amino)cyclohexan-1-ol
(ambroxol
hydrochloride)
and
salicylaldehyde
in
EtOH.
The
resulting
compound
produced
form
colorless
crystals
composition
1∙0.5EtOH.
formation
single
product
confirmed
by
IR
1H
spectroscopy,
single-crystal
powder
X-ray
diffraction,
elemental
analysis.
molecule
1
contains
chiral
tertiary
carbon
1,2,3,4-tetrahydropyrimidine
fragment
crystal
structure
1∙0.5EtOH
is
racemate.
Optical
properties
were
revealed
UV-vis
spectroscopy
MeOH
it
established
that
absorbs
exclusively
UV
region
up
to
about
350
nm.
exhibits
dual
emission
spectra
bands
at
340
446
nm
upon
excitation
300
360
nm,
respectively.
DFT
calculations
performed
verify
as
well
electronic
optical
1.
ADMET
R-isomer
evaluated
using
SwissADME,
BOILED-Egg,
ProTox-II
tools.
As
evidenced
blue
dot
position
BOILED-Egg
plot,
both
human
blood-brain
barrier
penetration
gastrointestinal
absorption
are
positive
with
PGP
effect
on
molecule.
Molecular
docking
applied
examine
influence
structures
S-isomer
series
SARS-CoV-2
proteins.
According
analysis
results,
isomers
found
be
active
against
all
proteins
best
binding
affinities
Papain-like
protease
(PLpro)
nonstructural
protein
3
(Nsp3_range
207-379-AMP).
Ligand
efficiency
scores
for
inside
sites
also
compared
initial
ligands.
dynamics
simulations
evaluate
stability
complexes
complex
highly
unstable,
while
other
stable.
Molecular Simulation,
Год журнала:
2024,
Номер
50(6), С. 470 - 492
Опубликована: Март 13, 2024
A
series
of
31
hybrid
phenylsulfonyl
furoxan
and
phenstatin
(1a-j,
2a-j,
3a-j,
4
5)
derivatives,
were
computationally
studied
as
potential
anti-cancer
inhibitors
against
four
cell
lines,
i.e.
A2780,
MDA-MB-231,
HCT-116
A549.
In
this
work,
the
2D-QSAR
approach
combining
multiple
linear
regression
(MLR)
model,
internal
external
cross-validation,
showed
a
satisfactory
quality
factor:
R2
=
0.85,
0.74,
0.82
0.75
for
respectively.
The
binding
affinity
agents
towards
4GL7,
6GUE,
1M17
4XL7
anti-tumoral
targets
was
further
evaluated
using
molecular
docking
dynamics
simulations
(0–200
ns).
assessment
parameters
indicated
formation
satisfactorily
stable
complexes.
addition,
all
considered
data
sets
show
that
best
affinity,
including
highest
score,
hydrogen
bond
energy
amino
acid
steric
interactions
are
well
predicted
best-selected
developed
model
leveraged
to
design
predict
biological
activity
12
new
compounds
(N1–N12)
based
on
in-vivo
inhibitor,
namely,
3
h
ligand
formula:
(4-((1-(2-((4-((3crylamidophenyl)amino)quinazolin-2-yl)thio)acetyl)piperidin-4-yl)oxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole
2-oxide).
Multitargeting
scores
they
exhibit
potent
inhibition
abilities
proteins.
Our
in-silico
outcomes
would
be
combined
with
in-vitro
studies
provide
perspective
validation
their
activity.
particular,
ADMET
predictions
indicate
designed
ligands
have
demonstrated
good
drug-like
profile
can
prospective
candidates
future
therapies.
Abstract
Detailed
experimental
and
computational
studies
of
the
nitrone
3,3‐dimethyl‐6‐phenyl‐2,3‐dihydro‐1,2,4‐triazin‐4‐oxide
(
2
),
which
is
a
cyclized
product
an
open‐chain
isomer
2‐phenyl‐2‐(propan‐2‐ylidenehydrazono)acetaldehyde
oxime
1
are
reported.
The
isolated
compound
was
characterized
by
elemental
analysis,
powder
X‐ray
diffraction,
IR
UV‐vis
spectroscopy,
spectrofluorometry.
Electronic
properties
were
elucidated
DFT‐based
calculations
in
water,
revealed
that
both
compounds
pronounced
electrophiles.
ADMET
predicted
using
SwissADME,
includes
BOILED‐Egg
method,
ProTox‐II
online
tools.
Using
molecular
docking
approach,
discussed
also
to
actively
interact
with
all
studied
herein
SARS‐CoV‐2
proteins.
most
activity
for
established
Nonstructural
protein
14
(Nsp14_N7‐MTase).
Complex
Nsp14_N7‐MTase‐
calculated
ligand
efficiency
scores
being
close
Hit.