Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
64(1)
Published: Oct. 24, 2024
The
development
of
efficient
catalytic
materials
in
the
energy
field
could
promote
structural
transformation
from
traditional
fossil
fuels
to
sustainable
energy.
In
heterogeneous
reactions,
ligand
modification
is
an
effective
way
regulate
both
electronic
and
steric
structures
sites,
thus
paving
a
prospective
avenue
design
interfacial
catalysts
for
conversion.
Although
great
achievements
have
been
obtained
study
applications
ligand-modified
catalysts,
systematical
refinements
strategies
are
still
lacking.
Here,
we
reviewed
strategy
mechanistic
applicable
scenarios
by
focusing
on
electrocatalysis.
We
elucidated
detail
perspectives
basic
concepts,
preparation,
regulation
physicochemical
properties
different
Notably,
bridged
electrocatalytic
performance
with
electronic/steric
effects
induced
gain
intrinsic
structure-performance
relations.
also
discussed
challenges
future
catalysis.
Trichloroethylene
(TCE)
is
widely
used
in
various
industrial
applications,
leading
to
significant
environmental
and
public
health
concerns
due
its
toxicity
persistence.
Current
nonthermal
liquid-phase
TCE
treatment
methods,
including
electrochemical
processes,
typically
produce
liquid
byproducts
that
require
additional
separation
steps,
limiting
their
efficiency.
To
overcome
these
challenges,
this
study
introduces
an
innovative
approach
for
the
direct
conversion
of
gas
into
less
harmful
gaseous
products,
utilizing
a
Cu/Ni
alloy
3D
foam
electrode
integrated
with
poly(vinyl
alcohol)
(PVA)-sodium
polyphosphate
(SPP)
gel
membrane
system.
Our
system
demonstrated
conductivity
0.05
S
cm–1
phases
at
both
half-cells,
comparable
existing
polymeric
membranes.
Importantly,
when
no
electrolyte
was
present,
increased
0.09
cm–1,
making
setup
highly
suitable
TCE.
The
removal
efficiency
evaluated
by
varying
electrodeposition
time
modifying
surface
potassium
hydroxide
(KOH)
cetyltrimethylammonium
chloride
(CTAC),
resulting
high
rate
0.69
h–1.
This
enhanced
performance
attributed
alloy's
ability
adsorb
solubilize
effectively
under
modified
conditions.
chromatography
analysis
definitively
shows
completely
dechlorinated,
about
75%.
resulted
ethene
ethane
100%
carbon
recovery.
gas-to-gas
phase
strategy
eliminates
need
offering
promising
solution
effective
management
chlorinated
volatile
organic
compounds
(CVOCs)
reducing
hazards.
Synthesis
of
water-stable
and
dispersible
heterogeneous
catalysts
having
high
catalytic
efficiency
is
more
challenging
compared
with
homogeneous
due
to
their
low
dispersity,
activity,
spatial
confinement
active
centers
in
bulk
water.
Herein,
we
are
describing
systematic
studies
for
the
development
microconfinement
participation
aqueous
micelles
via
temporal
surface
modification
porous
organic
polymer
derived
from
phosphine
ligands.
Detailed
investigations
using
various
techniques
such
as
transmission
electron
microscopy
(TEM),
scanning
(SEM),
tensiometry,
confocal
laser
(CLSM),
fluorescence
lifetime
imaging
(FLIM)
have
been
used
understand
role
micelles,
reagents,
materials
generation
microcolonies
Two-color
crossover
experiments
also
performed
exchange
reagents
or
vice
versa,
materials.
The
surfactant-modified
ligation
stabilization
palladium,
which
was
evidenced
by
high-resolution
(HR-TEM),
high-angle
annular
dark-field
(HAADF-STEM),
X-ray
photoelectron
spectroscopy
(XPS)
analysis.
act
confined
space
catalysis
water
showcasing
Suzuki-Miyaura
cross-coupling
reaction
a
ppm
level
Pd
loading
under
mild
conditions.
catalyst
found
be
recyclable
five
cycles;
easy
scale-up
C-C
couplings
additional
features.
Moreover,
these
data
provide
an
opportunity
revising
models
micellar
systems
that
underpin
sustainable
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(30)
Published: May 15, 2024
Nitrogen
heterocycles
are
commonly
found
in
bioactive
natural
products
and
drugs.
However,
the
biocatalytic
tools
for
nitrogen
heterocycle
synthesis
limited.
Herein,
we
report
discovery
of
vanillyl
alcohol
oxidases
(VAOs)
as
efficient
biocatalysts
one-pot
2-aryl
thiazolines
from
various
4-hydroxybenzaldehydes
aminothiols.
The
wild-type
biocatalyst
features
a
broad
scope
4-hydroxybenzaldehydes.
Though
aminothiols
is
limited,
it
could
be
improved
via
semi-rational
protein
engineering,
generating
variant
to
produce
previously
inaccessible
cysteine-derived
using
VAO.
Benefiting
derivatizable
functional
groups
enzymatic
products,
further
chemically
modified
these
expand
chemical
space,
offering
new
chemoenzymatic
strategy
green
structurally
diverse
2-aryl-thiazoline
derivatives
prompt
their
use
drug
catalysis.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(31), P. 11473 - 11479
Published: July 15, 2024
A
nonionic
surfactant
has
been
developed
from
agricultural
waste
and
its
potential
application
for
the
Ni-catalyzed
C–P
cross-coupling
reaction
in
water.
The
was
fully
characterized
by
various
spectroscopic
imaging
techniques.
size
of
micelles
morphological
changes
presence
catalysts/substrates
were
established
using
transmission
electron
microscopy
(TEM),
dynamic
light
scattering
(DLS),
confocal
microscopy.
Controlled
31P
NMR,
19F
mass
spectrometry,
X-ray
photoelectron
spectroscopy
(XPS)
analysis
revealed
possible
reactive
intermediates
mechanisms.
synthesis
shown
20
g
1
scale,
respectively.
