ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(30), P. 27553 - 27565
Published: July 18, 2023
Structural
aspects
of
molnupiravir
complexed
with
the
RNA
SARS-CoV-2
virus
have
been
recently
resolved
inside
RNA-dependent
polymerase
(RdRp),
demonstrating
interactions
purine
nucleosides.
However,
preference
to
interact
one
nucleoside
over
another
has
not
clearly
investigated.
Herein,
complexation
in
its
active
form
guanosine
and
adenosine
was
compared,
using
sundry
density
functional
theory
calculations.
The
plausible
tautomeric
structures
drug
complex
guanosine/adenosine
were
minutely
scrutinized.
relative
energy
findings
outlined
favorability
amino-molnupiravir···keto-amino-guanosine
imino-molnupiravir···amino-adenosine
optimized
complexes.
According
interaction
(Eint)
binding
(Ebind)
values,
higher
preferential
base-pairing
recognized
Eint/Ebind
values
-31.16/-21.81
-13.93/-12.83
kcal/mol,
respectively.
This
could
be
interpreted
by
presence
three
two
hydrogen
bonds
within
former
latter
complexes,
Observable
changes
electronic
properties
global
indices
reactivity
studied
complexes
also
confirmed
from
quantum
atoms
molecules
noncovalent
index
support
partially
covalent
nature
investigated
interactions.
For
both
thermodynamic
parameters
spontaneous,
exothermic,
nonrandom
states
inspected
Inspecting
solvent
effect
on
more
observable
amelioration
water
medium
compared
gas
one.
These
results
would
a
durable
ground
for
forthcoming
studies
concerned
Metabolites,
Journal Year:
2023,
Volume and Issue:
13(2), P. 309 - 309
Published: Feb. 20, 2023
The
nucleoside
analog
β-D-N4-hydroxycytidine
is
the
active
metabolite
of
prodrug
molnupiravir
and
accepted
as
an
efficient
drug
against
COVID-19.
Molnupiravir
targets
RNA-dependent
RNA
polymerase
(RdRp)
enzyme,
which
responsible
for
replicating
viral
genome
during
replication
process
certain
types
viruses.
It
works
by
disrupting
normal
function
RdRp
causing
it
to
make
mistakes
genome.
These
can
prevent
from
being
transcribed,
converted
into
a
complementary
DNA
template,
translated,
or
functional
protein.
By
these
crucial
steps
in
process,
effectively
inhibit
virus
reduce
its
ability
cause
disease.
This
review
article
sheds
light
on
impact
SARS-CoV-2
variants
concern,
such
delta,
omicron,
hybrid/recombinant
variants.
detailed
mechanism
molecular
interactions
using
docking
dynamics
have
also
been
covered.
safety
tolerability
patients
with
comorbidities
emphasized.
Journal of Sulfur Chemistry,
Journal Year:
2023,
Volume and Issue:
45(1), P. 120 - 137
Published: Sept. 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).
Polycyclic aromatic compounds,
Journal Year:
2022,
Volume and Issue:
43(3), P. 2599 - 2617
Published: March 14, 2022
We
report
detailed
studies
of
Form
II
ambroxol,
which
crystal
packing
was
examined
in
detail
by
a
Hirshfeld
surface
analysis.
Molecules
the
structure
are
primarily
linked
through
N–H···N
and
O–H···O
hydrogen
bonds
C–Br···π
interactions.
The
molecular
is
characterized
intermolecular
contacts
H···X
(X
=
H,
C,
N,
O,
Br)
C/O/Br···Br.
overall
topology
energy
distributions
ambroxol
also
established.
mainly
dispersion
title
compound
further
studied
IR
UV-vis
spectroscopy.
Intermolecular
dictate
clearly
revealed
discrepancies
between
experimental
calculated
spectra
region
3000–4000
cm−1.
DFT/B3LYP/6-311++G(d,p)
calculations
were
performed
to
verify
as
well
its
electronic
optical
properties.
Molecular
docking
applied
examine
influence
on
series
SARS-CoV-2
proteins.
molecule
interacts
much
more
efficiently
with
proteins
comparison
Favipiravir,
showing
best
binding
affinity
RdRp-RNA
nsp14
(N7-MTase).
Nanomaterials,
Journal Year:
2022,
Volume and Issue:
12(15), P. 2711 - 2711
Published: Aug. 7, 2022
In
this
paper,
a
theoretical
investigation
is
made
regarding
the
possibility
of
using
water-soluble
derivative
C60
as
drug
delivery
agent
for
treating
Coronavirus
disease
2019
(COVID-19).
Molnupiravir
chosen
transporting
pharmaceutical
compound
since
it
has
already
proved
to
be
very
helpful
in
saving
lives
case
hospitalization.
According
proposed
formulation,
carboxyfullerene
known
dendro[60]fullerene
externally
connected
with
two
molnupiravir
molecules.
Two
properly
formed
nitrogen
single
bonds
(N−N)
are
used
linkers
between
and
molecules
create
final
form
derivate/molnupiravir
conjugate.
The
energetics
developed
molecular
system
its
interaction
water
n-octanol
extensively
studied
via
classical
dynamics
(MD)
COMPASS
II
force
field.
To
study
interactions
n-octanol,
an
appropriate
periodic
amorphous
unit
cell
created
that
contains
derivative/molnupiravir
surrounded
by
numerous
solvent
simulated
MD
room
conditions.
addition,
corresponding
solvation-free
energies
investigated
computed
set
contrast
properties
dendro[60]fullerene,
test
solubility
capabilities.
Molecules,
Journal Year:
2022,
Volume and Issue:
27(23), P. 8562 - 8562
Published: Dec. 5, 2022
The
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
was
the
seventh
known
human
coronavirus,
and
it
identified
in
Wuhan,
Hubei
province,
China,
2020.
It
caused
highly
contagious
disease
called
2019
(COVID-19),
declared
a
global
pandemic
by
World
Health
Organization
(WHO)
on
11
March
A
great
number
of
studies
search
new
therapies
vaccines
have
been
carried
out
these
three
long
years,
producing
series
successes;
however,
need
for
more
effective
vaccines,
other
solutions
is
still
being
pursued.
This
review
represents
tracking
shot
current
pharmacological
used
treatment
COVID-19.