A
flexible
bisacylhydrazone
ligand
(H4L)
was
designed
and
synthesized
from
the
condensation
reaction
of
dialdehyde
3,3’-thiobis(methyiene)-bis-(5-methyl-salicylaldehyde)
(b)
with
isonicotinic
hydrazide.
In
DMSO/methanol
solution,
two
coordination
polymers
(CPs),
formulated
as
{[Ag(H4L)NO3]·DMSO·2H2O}n
(CP
1)
{[Zn2(H2L2-)2]·3DMSO·3H2O}n
2),
were
H4L
Ag(I)
or
Zn(II)
ions,
respectively.
These
CPs
characterized
via
elemental
analysis,
FT-IR
spectra,
single
crystal
X-ray
determination.
The
results
show
that
CP
1
exists
a
1D
looped-chain
polymer,
while
2
2D
sheet
polymer.
configurations
analyzed
compared
in
detail,
which
disclose
terminal
pyridyl
nitrogen
atoms
exhibit
obviously
stronger
ability
to
other
sites.
addition,
photophysical,
electrochemical
antibacterial
properties
investigated.
RSC Advances,
Год журнала:
2024,
Номер
14(42), С. 30924 - 30937
Опубликована: Янв. 1, 2024
Herein,
novel
aroylhydrazone
(
E
/
Z
)-
N
′-((3-methylpyridin-2-yl)methylene)isonicotinohydrazide
ligand
(MPIH)
3
and
its
Zn(
ii
)-MPIH
complex
4
were
synthesized
investigated
to
adsorb
direct
red
81
dye
(DR-81)
from
aqueous
media.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
17(1), С. 1049 - 1063
Опубликована: Дек. 19, 2024
In
this
study,
waste
polystyrene
was
modified
and
upgraded
to
prepare
formylated
polystyrene,
the
acetyl
hydrazone
(LT-HPA)
synthesized
by
condensation
with
polymethyl-propionyl-hydrazine.
It
is
proven
that
modification
of
adsorption
material
successful
various
characterization
methods.
subsequent
pollutant
removal
pH,
mass,
concentration,
contact
time,
salt
ion
interference
were
investigated.
The
optimal
pH
for
Cu(II)
sulfide
5
11,
respectively,
mass
adsorbent
1
g/L.
found
maximum
rate
Cu
(II)
231.51
mg/g.
equilibrium
time
less
than
40
min.
This
due
good
activity
acyl
hydrazide
groups
on
skeleton
through
coordination.
desulfurization
amount
in
60
min
370.21
mg/g,
which
mainly
caused
oxidation
sulfides
surface
oxidizing
groups.
Isotherm
kinetic
studies
show
processes
are
consistent
Langmuir
model
pseudo-second-order
model.
Thermodynamic
parameters
a
spontaneous
endothermic
process.
mechanism
chemical
adsorption,
supplemented
physical
adsorption.
After
10
regenerated
adsorption/desorption
cycles,
rates
remained
above
85%,
indicating
polystyrenesulfonate
acetylhydrazone
materials
have
reusability.
addition,
has
thermal
stability,
resistance,
environmental
friendliness.
summary,
application
prospect
copper(II)
provides
fresh
way
upgrading
polystyrene.
A
flexible
bisacylhydrazone
ligand
(H4L)
was
designed
and
synthesized
from
the
condensation
reaction
of
dialdehyde
3,3’-thiobis(methyiene)-bis-(5-methyl-salicylaldehyde)
(b)
with
isonicotinic
hydrazide.
In
DMSO/methanol
solution,
two
coordination
polymers
(CPs),
formulated
as
{[Ag(H4L)NO3]·DMSO·2H2O}n
(CP
1)
{[Zn2(H2L2-)2]·3DMSO·3H2O}n
2),
were
H4L
Ag(I)
or
Zn(II)
ions,
respectively.
These
CPs
characterized
via
elemental
analysis,
FT-IR
spectra,
single
crystal
X-ray
determination.
The
results
show
that
CP
1
exists
a
1D
looped-chain
polymer,
while
2
2D
sheet
polymer.
configurations
analyzed
compared
in
detail,
which
disclose
terminal
pyridyl
nitrogen
atoms
exhibit
obviously
stronger
ability
to
other
sites.
addition,
photophysical,
electrochemical
antibacterial
properties
investigated.
