4(3H)-Quinazolinone: A Natural Scaffold for Drug and Agrochemical Discovery
Ke Chen,
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Shumin Wang,
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Shuyue Fu
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et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(6), P. 2473 - 2473
Published: March 10, 2025
4(3H)-quinazolinone
is
a
functional
scaffold
that
exists
widely
both
in
natural
products
and
synthetic
organic
compounds.
Its
drug-like
derivatives
have
been
extensively
synthesized
with
interesting
biological
features
including
anticancer,
anti-inflammatory,
antiviral,
antimalarial,
antibacterial,
antifungal,
herbicidal,
etc.
In
this
review,
we
highlight
the
medicinal
agrochemical
versatility
of
according
to
studies
published
past
six
years
(2019–2024),
comprehensively
give
summary
target
recognition,
structure–activity
relationship,
mechanism
its
analogs.
The
present
review
expected
provide
valuable
guidance
for
discovering
novel
lead
compounds
containing
moiety
drug
research.
Language: Английский
Friedländer reactions for annulated pyrido[2,3-d]pyrimidines: Synthesis, structure characterization, anticancer and computational studies
Tetrahedron,
Journal Year:
2025,
Volume and Issue:
unknown, P. 134608 - 134608
Published: March 1, 2025
Language: Английский
Nickel (II) Macrocyclic Complexes: Template Synthesis, Spectroscopic Investigations, Electrochemical Behavior, DFT Studies, and Biological Evaluation
Manish Yadav,
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Sarita Beniwal,
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Gulshan Kumar
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et al.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(15)
Published: April 1, 2025
Abstract
A
novel
series
of
tetraaza
nickel
(II)
macrocyclic
complexes
was
prepared
via
template
condensation
involving
the
ligand
2‐[4‐bromo‐2‐(2‐oxo‐1,2‐diphenyl‐ethylideneamino)‐phenylimino]‐1,2‐diphenyl‐ethanone
(ML)
and
selected
diamines,
such
as
4‐chloro
1,2‐phenylenediamine,
4‐bromo
1,2‐diaminotoluene,
4‐nitro
1,2‐diaminopropane,
ethylenediamine,
in
presence
NiCl
2
.6H
O.
The
its
resulting
were
characterized
through
elemental
analysis,
molecular
weight
determination,
a
range
spectral
techniques,
including
IR,
electronic
spectra,
1
H
NMR,
mass
spectrometry,
X‐ray
powder
diffraction,
DFT‐assisted
structural
characterization.
DFT
(TDDFT/B3LYP/6–311g(d)
method)
analysis
representative
Ni(II)
supports
plausible
structures
proposed
based
on
spectroscopic
studies.
These
analyses
suggest
that
each
complex
adopts
six‐coordinated
octahedral
geometry.
Their
redox
behavior
examined
detail
using
cyclic
voltammetry
(CV).
Furthermore,
new
tested
for
their
antimicrobial,
antioxidant,
antidiabetic,
antituberculosis
activities.
Antimicrobial
tests
conducted
against
E.
coli,
B.
subtilis,
A.
niger
,
P.
chrysogenum
synthesized
compounds.
antioxidant
properties
assessed
DPPH
assay
showed
[Ni(C
41
29
BrCl
N
4
)]
exhibited
highest
activity,
with
an
IC
50
value
89.13
mg/mL.
Additionally,
antimycobacterial
where
40
3
demonstrated
significant
effectiveness
inhibiting
growth
Mycobacterium
tuberculosis
.
Language: Английский
Crystal structure, Hirshfeld surface analysis, molecular modeling, electrochemical properties, and potential medicinal activity of a novel binuclear Co(II) complex
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
38(11)
Published: July 19, 2024
A
quinoxaline‐based
ligand,
6,7‐dimethyl‐2,3‐di(2‐pyridyl)quinoxaline
(Me
2
dpq),
and
its
unique
binuclear
Co(II)‐Me
dpq
complex
were
prepared
analyzed
using
single
crystal
X‐ray
diffraction
several
spectroscopy
techniques.
Hirshfeld
surface
analyses
also
used
to
clarify
the
Me
ligand
packing.
The
crystallized
in
triclinic
P‐1
space
group
exhibited
a
distorted
trigonal
bipyramidal
geometry
around
cobalt(II)
ion.
Each
Co(II)
ion
coordinated
through
two
N
donor
centers
from
pyridyl
quinoxaline
rings
along
with
terminal
Cl
bridged
atoms.
binding
properties
of
CT‐DNA
studied
by
techniques,
namely
UV–Vis
spectroscopy,
fluorescence
quenching,
viscosity
measurements,
thermal
denaturation,
gel
electrophoresis.
interaction
tests
demonstrated
that
both
parent
bind
DNA
an
intercalative
way.
antioxidant
studies
novel
illustrated
significant
activity
against
DPPH
•
radicals.
vitro
cytotoxic
effect
Co(II)‐complex
on
MCF‐7
Hep‐G2
tumor
cell
lines
was
evaluated
MTT
assay.
showed
had
superior
toward
tested
lines.
Molecular
docking
synthesized
compounds
employed
figure
out
way
they
would
associate
biologically
macromolecular
target
B‐DNA
(PDB:
1BNA).
Thus,
this
study
is
anticipated
provide
opportunities
for
successful
utilization
many
medical
domains.
Language: Английский
Fungicidal Activity of Novel 6-Isothiazol-5-ylpyrimidin-4-amine-Containing Compounds Targeting Complex I Reduced Nicotinamide Adenine Dinucleotide Oxidoreductase
Kun Li,
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You Lv,
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Rongzhang Wu
No information about this author
et al.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 25, 2024
To
discover
novel
inhibitors
of
the
complex
I
reduced
nicotinamide
adenine
dinucleotide
(NADH)
oxidoreductase
as
fungicides,
a
series
6-isothiazol-5-ylpyrimidin-4-amine-containing
compounds
were
designed
using
computer-aided
pesticide
design
method
and
splicing
substructures
from
diflumetorim
isotianil.
In
vitro
fungicidal
bioassays
indicated
that
Language: Английский