Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 22, 2024
Nucleobase
adenine
is
a
promising
candidate
for
synthesizing
fascinating
coordination
polymers
(CPs)
due
to
the
presence
of
five
potential
metal-ion
binding
centers.
In
recent
years,
CPs
have
emerged
as
Lewis
acid-base
centers
containing
heterogeneous
catalysts
wide
range
organic
transformations.
However,
crucial
role
stoichiometric
regulations
starting
materials
and
their
consequential
impact
on
catalytic
performance
are
rarely
studied.
Herein,
we
synthesized
three
(Ad)-based
cadmium
with
5-nitro
isophthalic
acid
(H
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 10, 2025
Strategic
design
of
solid-state
proton-conducting
electrolytes
for
application
in
anhydrous
proton-exchange
membrane
fuel
cells
(PEMFCs)
has
gained
burgeoning
interest
due
to
a
spectrum
advantageous
features,
including
higher
CO
tolerance
and
ease
the
water
management
systems.
Toward
this
direction,
crystalline
materials
like
metal-organic
frameworks
(MOFs),
covalent
organic
(COFs),
hydrogen-bonded
(HOFs),
polyoxometalates
(POMs)
are
emerging
PEM
materials,
offering
strategic
structural
engineering
through
crystallography,
thus
enabling
ultrahigh
proton
conductivity
up
10-2-10-1
S/cm.
This
Perspective
highlights
significant
progress
achieved
far
with
such
platforms
domain
conduction
across
wide
temperature
window
(sub-zero
above
100
°C).
Based
on
their
backgrounds,
these
categorized
into
four
classes
(viz.
MOFs,
COFs,
HOFs,
POMs)
detailed
evolutionary
timeline
since
emergence
early
2009.
Insightful
discussions
key
focus
strategies
undertaken
attain
along
implementation
cell
technology
electrode
assembly
presented.
A
section
"Critical
Analysis
Future
Prospects"
provides
decisive
viewpoints
those
overlooked
issues
future
endorsement
(e.g.,
performance
assessment
analysis
test
stand)
further
development
while
comparing
them
other
from
both
academic
industrial
perspectives.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(22), С. 10403 - 10413
Опубликована: Май 18, 2024
Development
of
a
simple,
cost-efficient,
and
portable
UO22+
sensory
probe
with
high
selectivity
sensitivity
is
highly
desirable
in
the
context
monitoring
radioactive
contaminants.
Herein,
we
report
luminescent
Co-based
metal–organic
framework
(MOF),
{[Me2NH2]0.5[Co(DATRz)0.5(NH2BDC)]·xG}n
(1),
equipped
abundant
amino
functionalities
for
selective
detection
uranyl
cations.
The
ionic
structure
consists
two
types
channels
decorated
plentiful
Lewis
basic
moieties,
which
trigger
stronger
acid–base
interaction
diffused
cationic
units
thus
can
selectively
quench
fluorescence
intensity
presence
other
interfering
ions.
Furthermore,
limit
sensing
was
achieved
to
be
as
low
0.13
μM
(30.94
ppb)
rapid
responsiveness
multiple
recyclabilities,
demonstrating
its
excellent
efficacy.
Density
functional
theory
(DFT)
calculations
further
unraveled
preferred
binding
sites
ions
tubular
channel
MOF
structure.
Orbital
hybridization
between
NH2BDC/DATRz
together
significantly
large
electron-accepting
ability
identified
responsible
luminescence
quenching.
More
importantly,
prepared
1@PVDF
{poly(vinylidene
difluoride)}
mixed-matrix
membrane
(MMM)
displayed
good
activity
comparable
1,
great
significance
their
practical
employment
MOF-based
luminosensors
real-world
application.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(23), С. 10832 - 10842
Опубликована: Май 29, 2024
Five-
and
six-membered
heterocycles
containing
nitrogen
or
oxygen
have
been
considered
as
privileged
scaffolds
in
organic
chemistry
the
chemical
industry
because
of
their
usage
high-value
commodities.
Herein,
we
report
a
two-dimensional
(2D)
Cu(II)-based
MOF
catalyst,
IITKGP-40,
via
strategic
employment
ample
Lewis
acid–base
bifunctional
sites
(open
metal
nodes
free
pyrazine
moieties)
along
pore
wall.
IITKGP-40
could
convert
toxic
CO2
to
cyclic
carbonates
an
atom-economical
manner
under
solvent-free
conditions
aromatic
aldehyde
bioactive
1,4-DHPs
Hantzsch
condensation.
Exceptional
catalytic
performance
(99%)
turnover
number
mild
reaction
for
fixation
using
sterically
hindered
styrene
oxide,
good-to-excellent
yields
wide
range
aldehydes
toward
1,4-dihydropyridines
(1,4-DHPs)
make
promising
multipurpose
heterogeneous
catalyst.
Moreover,
demonstrate
practical
utility
two
biologically
important
drug
molecules,
diludine
nitrendipine
analogue,
also
synthesized.
is
recyclable
at
least
three
consecutive
runs
without
significant
loss
activity,
making
it
real-time
applications.
Abstract
Despite
possessing
numerous
catalytic
advantages
of
MOFs,
developing
2D
frameworks
having
excellent
chemical
stability
along
with
new
properties
remains
a
grand
challenge.
Herein,
by
employing
mixed
ligand
synthetic
approach,
we
have
constructed
Ni‐MOF,
IITKGP‐52
,
which
exhibits
framework
robustness
in
open
air,
water,
as
well
over
wide
range
aqueous
pH
solutions
(2–12).
Benefitting
from
its
and
abundant
Lewis
acidic
metal
sites
(OMSs),
is
explored
catalyzing
the
heterogeneous
three‐component
condensation
reaction
for
tandem
synthesis
bioactive
2‐amino‐3‐cyano‐4H‐pyran
derivatives
low
loading,
greater
compatibility
substrates,
recyclability
superior
efficiency
than
previously
employed
homo
systems.
inaugurates
employment
MOF‐based
catalysts
one‐pot
therapeutic
derivatives.
Materials Today Catalysis,
Год журнала:
2024,
Номер
5, С. 100051 - 100051
Опубликована: Май 12, 2024
Ribbon-like
coordination
polymers
(CP)
represents
a
highly
unexplored
innovative
class
of
metal-coordination
network.
Herein,
we
have
developed
scalable
and
chemically
robust
(pH=3-10
stable)
ribbon-like
CP
[{Cu(Pim)(L)(H2O).H2O}]n
(1)
following
complete
environment-friendly
green
synthesis
route.
Considering
the
presence
surface
flanked
labile
coordinated
water
molecules
their
appealing
correlation
with
one-dimensional
structural
characteristics,
such
sort
was
explored
for
first
time
as
excellent
heterogeneous
catalyst
largely
three-component
Hantzsch
condensation
different
classes
dihydropyridine
(DHP).
Moreover,
1
is
employed
to
synthesize
bio-responsive
drug
'Ethidine'
(possessing
high
anti-oxidant
anticarcinogenic
properties)
characterized
Single
Crystal
X-ray
Diffraction
(SCXRD)
analysis.
Several
DHP-based
products
are
also
analysed
through
in-depth
SCXRD
This
report
inaugurates
usage
Cu(II)
based
CPs
environmentally
benign
manner
bioactive
DHPs
Drugs.
Abstract
Misuse
of
antibiotics
and
pesticides
has
led
to
hazardous
effects
on
human
health,
livestock,
agriculture,
aquaculture,
which
urges
researchers
find
simple,
rapid,
efficient,
cost‐effective
methods
for
quick
on‐site
analysis
these
organic
pollutants
with
functional
materials.
Herein,
a
2D
chemically
robust
MOF:
IITKGP‐71
,
{[Cd(MBPz)(2,6‐NDC)]·2H
2
O}
n
is
strategically
developed
ease
in
scalability
exploited
as
dual
sensors
toward
the
toxic
antibiotic
pesticide
detection
via
luminescence
quenching
aqueous
medium
.
The
framework
displays
exceptional
chemical
robustness
water
3
months,
an
open
atmosphere
over
wide
range
pH
solution
(pH
=
3–12)
day.
can
selectively
quench
nitrofuran
(NFZ
NFT)
organochlorine
DCN
while
remaining
unaffected
by
other
interfering
pesticides,
respectively.
An
excellent
trade‐off
between
high
effectivity
(high
K
sv
)
sensitivity
(low
LOD)
was
achieved
targeted
analytes.
easy
scalability,
stability,
fast
responsivity,
multi‐responsive
nature,
recyclability
outstanding
structural
stability
made
this
viable
playing
crucial
role
safeguarding
aquatic
ecosystems
public
health
from
pesticides.