ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(36)
Published: Sept. 19, 2024
Abstract
Two
oxidovanadium(IV)
complexes
[VO(xbp‐sc)]
(
1
)
and
[VO(xbp‐tc)]
2
were
prepared
using
hydrazine‐ether
mixed
functionality
ligands
Hxbp‐sc
I
Hxbp‐tc
II
),
respectively.
Complexes
carefully
grafted
separately
into
imidazole‐modified
chloromethylated
polystyrene
(Ps−Im)
unmodified
(PS−Cl)
beads.
Successfully
anchored
vanadium
Ps−Im‐[VO(xbp‐sc)]
3
Ps−Im‐[VO(xbp‐tc)]
4
Ps‐[VO(xbp‐sc)]
5
Ps‐[VO(xbp‐tc)]
6
tested
for
their
catalytic
potential
towards
the
oxidation
of
aliphatic
alcohols
in
presence
hydrogen
peroxide.
Polymer‐grafted
catalysts
display
excellent
substrate
conversion
compared
to
most
recent
reports
good
recyclability
up
three
cycles
without
losing
much
reactivity.
High
TOF
values
range
183–591
h
−1
are
observed
supported
–
.
The
highest
is
ethanol
(63–97
%)
under
optimized
reaction
conditions.
Mainly,
better
obtained
with
polymer
beads
than
those
on
).
Moreover,
semicarbazide
group
ligand
framework
show
reactivity
alcohol
fewer
carbon
atoms.
On
contrary,
longer
chains
oxidize
more
easily
catalyst
thiosemicarbazide
frameworks
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(8), P. 5977 - 5988
Published: Jan. 1, 2025
Synthesis
and
characterization
of
a
heterogeneous
catalyst
based
on
silica
supported
Zn(
ii
)–hydrazone
complex
its
activity
in
the
chemical
CO
2
fixation
reaction
have
been
reported.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 5, 2025
Electrocatalysts
based
on
Cu
compounds
have
been
considered
as
a
suitable
alternative
to
platinum
due
their
low
cost,
high
abundance,
excellent
redox
properties,
and
performing
the
methanol
oxidation
reaction
(MOR)
at
potentials.
This
article
represents
study
of
CuO
nanoparticles
(NPs)
prepared
through
simple
method
thermal
decomposition
CuL
coordination
compound
(H2L
=
N,N′-bis(salicylidene)-4-chloro-1,2-diaminobenzene),
C20H13ClCuN2O2,
precursor
by
different
electrochemical
methods.
A
comparison
MOR
ability
(CuL)
NPs
shows
that
both
are
active,
but
present
peak
current
density
about
248
mA
cm−
2
when
screened
for
catalytic
in
1.0
M
KOH
with
0.5
methanol,
which
is
superior
performance
some
previously
reported
related
catalysts
CuO.
The
0.69
V
vs.
Ag/AgCl
also
more
intense
than
(0.77
V).
modified
electrode
lower
onset
potential,
Tafel
slope,
higher
electrochemically
active
surface
area
(ECSA)
better
stability
compared
electrode.
These
advantages
can
be
assigned
activity
sites
charge
transfer
resistance
its
electrical
conductivity
CuL.
New Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
47(13), P. 6102 - 6113
Published: Jan. 1, 2023
Hantzsch
pyridine
ester
has
been
used
as
a
precursor
for
the
synthesis
of
dihydrazone
ligands.
Two
dinuclear
V(
v
)
complexes
obtained
by
these
ligands
show
high
catalytic
activity
in
oxidation
sulfides.
New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
48(16), P. 7517 - 7523
Published: Jan. 1, 2024
C(sp)–C(sp)
cross-coupling
of
terminal
alkynes
represents
a
robust
tool
for
building
biologically
active
1,3-diynes
although
confronted
with
huge
challenges
regarding
selectivity
control.
