Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 3, 2025
It
is
of
great
research
value
to
develop
an
efficient
and
stable
catalyst
that
can
achieve
the
oxidation
alkenes
obtain
epoxides,
which
serve
as
a
multifunctional
intermediate
with
important
commercial
value.
Based
on
this,
three-dimensional
(3D)
supramolecular
framework
H[CuI(H3bdcbpy)2(Mo12O38)(H2O)]
(1,
H4bdcbpy·2Cl
=
N,N'-bis(3,5-dicarboxybenzyl-4,4'-bipyridine·dichloride)
was
obtained
from
carboxylate-functionalized
1D
coordination
polymers,
were
derived
unusual
in
situ
[Mo12O38]4-
cluster
Cu-electron-deficient
carboxylate
complex
units.
The
catalytic
performance
1
epoxidation
using
TBHP
examined,
revealing
its
remarkable
efficiency
conversion
cis-cyclooctene,
high
rate
99%
outstanding
selectivity
100%.
Complex
exhibited
higher
activity
than
unmodified
H4bdcbpy·2Cl,
CuCl2·2H2O,
Na2MoO4·2H2O,
well
most
previously
reported
polyoxometalate
(POM)-based
metal-organic
complexes
(POMOCs).
Moreover,
reaction
kinetics
mechanism
explored
free
radical
trapping
experiments
control
experiments.
stability
also
investigated.
ChemistrySelect,
Journal Year:
2023,
Volume and Issue:
8(15)
Published: April 17, 2023
Abstract
In
this
study,
(E)‐N′(3,5‐di‐tert‐butil‐2‐hedroxybenzilidene)‐2‐hydroxybenzohydrazide
(H
3
sahz)
2
and
its
copper
(II)
complex
has
been
synthesized
evaluated
by
methods
FTIR,
UV–Vis,
EPR,
single
crystal
X‐ray
analysis.
It
shown,
that
H
sahz
crystallizes
as
a
dimer
through
hydrogen
bonds.
with
nitrate
forms
[Cu(H
sahz)(NO
)(H
O)]
complex,
which
according
to
diffraction
analysis
distorted
square
pyramidal
structure.
The
was
screened
for
α‐glucosidase
(α‐Glu),
acetylcholinesterase
(AChE),
butyrylcholinesterase
(BChE)
inhibitory
abilities.
Results
displayed
IC
50
K
i
values
of
the
novel
AChE,
BChE,
α‐Glu
enzymes
were
obtained
at
0.93–2.14,
1.01–2.03,
73.86–102.65
μM,
respectively.
molecular
docking
outcomes
have
shown
synthetic
lower
affinity
compared
acarbose.
But
inhibition
ability
greater
than
tacrine.
These
findings
indicate
may
be
considered
possible
candidate
development
discovery
compounds
effective
in
inhibiting
relevant
enzymes.
Applied Organometallic Chemistry,
Journal Year:
2022,
Volume and Issue:
37(2)
Published: Dec. 7, 2022
Vanadium
coordination
compounds,
[VO
2
L]·(CH
3
OH)
(
1a
and
1b
),
were
prepared
from
the
reaction
of
tridentate
hydrazone
ligand,
[HL=(
E
)‐4‐amino‐N′‐(1‐(pyridin‐2‐ylethylidene)benzohydrazide]
with
NH
4
VO
V
O
5
,
respectively.
These
compounds
characterized
by
various
analytical
methods,
structures
determined
single
crystal
X‐ray
analysis
which
indicated
that
they
have
same
composition
but
crystallized
in
different
unit
cells
can
be
considered
as
polymorphs.
The
silica‐supported
catalyst
Si‐VO
L
)
was
obtained
immobilization
1
on
surface
silica
using
propionyl
chloride‐functionalized
gel.
thermal
gravimetric
(TGA),
energy‐dispersive
spectroscopy
(EDX),
Fourier‐transform
infrared
(FT‐IR)
spectroscopy,
diffuse‐reflectance
(DRS),
photoelectron
(XPS),
scanning
electron
microscopy
(SEM),
diffraction
(XRD)
employed
heterogeneous
oxidation
styrene
derivatives,
aqueous
H
used
green
oxidant.
recovered
several
times,
methods.
results
its
high
stability.
effects
parameters
such
temperature,
ratio
reagents,
nature
solvent
selectivity
activity
investigated.
both
steric
electronic
substituents
phenyl
ring
affect
products.
Electron
withdrawing
groups
decrease
substrate
donating
increase
activity.
