Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
Abstract
Oximes
are
important
intermediates
for
various
chemicals
synthesis
such
as
pharmaceuticals,
among
which
one
vital
precursor
producing
neurological
disease,
antimicrobial
and
anticancer
agents
is
piperidone
oxime
(PDO).
Compared
with
conventional
thermocatalytic
method,
it's
more
attractive
to
synthesize
PDO
via
green
electrocatalytic
technology
especially
utilizing
waste
nitrogen
oxides
gas
source.
However,
there
great
challenges
in
catalyst
design
high‐efficiency
electrosynthetic
due
the
low
electron
transport
rate
multiple
competing
reactions.
Herein,
we
propose
an
interfacial
coordination
strategy
based
on
metal–organic
frameworks
(MOF)
electrocatalyst
first
time
promote
electrosynthesis,
by
building
Zn−O
bridges
between
graphite
felt
(GF)
zeolitic
imidazolate
framework
(ZIF‐7/CGF).
Specially,
ZIF‐7/CGF
delivers
a
Faraday
efficiency
(FE)
of
75.9
%
yield
up
73.1
1‐methyl‐4‐piperidone
oxime,
far
superior
without
(a
FE
10.7
10.3
%).
In‐depth
mechanism
study
shows
that
introducing
can
transfer
induce
Zn
sites
transforming
into
distorted
tetrahedron
(Zn‐N
3
O)
mode,
benefits
adsorption
conversion.
The
developed
presents
wide
universalities
towards
oximes
electrosynthesis
adapts
other
MOF
materials
(ZIF‐8,
ZIF‐4).
This
work
provides
new
insights
organic
upgrading
cycle
through
rational
surficial
coordinated
electrocatalysts.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(4), С. 2282 - 2288
Опубликована: Янв. 17, 2024
A
highly
promising
electrocatalyst
has
been
designed
and
prepared
for
the
hydrogen
evolution
reaction
(HER).
This
involves
incorporating
well-dispersed
Ir
nanoparticles
into
a
cobalt-based
metal–organic
framework
known
as
Co-BPDC
[Co(bpdc)(H2O)2,
BPDC:
4,4′-biphenyldicarboxylic
acid].
Ir@Co-BPDC
demonstrates
exceptional
HER
activity
in
alkaline
media,
surpassing
both
commercial
Pt/C
recent
noble-metal
catalysts.
Theoretical
results
indicate
that
electron
redistribution,
induced
by
interfacial
bonds,
optimizes
adsorption
energy
of
water
hydrogen,
thereby
enhancing
our
understanding
superior
properties
HER.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(26)
Опубликована: Апрель 10, 2024
Oxime
ethers
are
attractive
compounds
in
medicinal
scaffolds
due
to
the
biological
and
pharmaceutical
properties,
however,
crucial
widespread
step
of
industrial
oxime
formation
using
explosive
hydroxylamine
(NH
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 10, 2025
The
electrocatalytic
utilization
of
oxidized
nitrogen
waste
for
C-N
coupling
chemistry
is
an
exciting
research
area
with
great
potential
to
be
adopted
as
a
sustainable
method
generation
organonitrogen
molecules.
most
widely
used
reaction
reductive
amination.
In
this
work,
we
develop
alternative
electrochemical
amination
that
can
proceed
in
neutral
aqueous
electrolyte
nitrite
the
nitrogenous
reactant
and
via
oxime
intermediate.
We
selection
criterion
reduction
electrocatalysts
suited
electrosynthesis
and,
doing
so,
find
Pd
highly
efficient
catalyst
reaction,
reaching
Faradaic
efficiency
82%
at
-0.21
V
vs
reversible
hydrogen
electrode.
aliphatic
or
aromatic
structure
carbonyl
impacts
efficacy
catalyst,
substrates
leading
suppressed
formation
detrimental
alcohol.
developed
Pb/PbO
electrocatalyst
selectively
performs
electrolyte.
With
acetone
model
substrate,
demonstrate
one-pot,
two-step
conversion
isopropyl
amine
85%
yield
50%
global
efficiency.
ACS Applied Energy Materials,
Год журнала:
2024,
Номер
7(3), С. 1250 - 1260
Опубликована: Янв. 31, 2024
As
a
ubiquitous
phototo-thermal
energy
conversion
process,
solar-driven
interfacial
steam
generation
has
gained
considerable
attention
as
potential
alternative
to
traditional
bulk
heating-based
evaporation
technology.
Nevertheless,
microbial
contamination
and
biofilm
plugging
often
occur,
which
considerably
impede
the
practical
applications
of
this
Herein,
we
present
development
high-performance
antibacterial
solar
generator
by
incorporating
two-dimensional
(2D)
AgMXene
nanocomposites
into
three-dimensional
(3D)
chitosan
hydrogel
networks
produce
3D
AgMXene@Chitosan
(denoted
AM/CH)
evaporator.
Owing
synergistic
effects
platform
with
inherent
sterilization
ability
photoinduced
effect,
AM/CH
could
totally
kill
Escherichia
coli
Staphylococcus
aureus
when
exposed
simulated
light
irradiation,
guaranteeing
production
potable
water
devoid
microorganisms.
Leveraging
efficient
photothermal
capabilities
conveyance
in
networks,
hydrogel-based
exhibited
interesting
performance,
rate
efficiency
1.59
kg
m–2
h–1
93.00%
under
irradiation
an
intensity
0.1
W
cm–2.
Moreover,
evaporator
also
demonstrated
satisfactory
seawater
desalination
capacity,
excellent
purification
for
dye
molecules,
self-cleaning
properties.
These
findings
suggest
that
design
concept
deliver
multipurpose
solar-thermal
clean
supply
human
use.
Nanoscale,
Год журнала:
2024,
Номер
16(6), С. 2805 - 2819
Опубликована: Янв. 1, 2024
Building
C–N
bonds
via
electrochemical
NO
x
reduction
provides
an
attractive
strategy
to
upgrade
waste
species
into
valuable
organonitrogen
products.
Here
we
review
the
recent
advances
and
highlight
key
strategies
challenges
in
this
area.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(10), С. 6112 - 6122
Опубликована: Янв. 1, 2024
Amorphous
CO
2
-based
MOFs
are
directly
synthesized
and
utilized
for
cycloaddition,
providing
an
avenue
dual
carbon
neutralization.
The
amorphous
show
superior
catalytic
performance
compared
with
crystalline
ones
(yield
>99%,
TON
>2600).
ACS Nano,
Год журнала:
2024,
Номер
18(35), С. 23894 - 23911
Опубликована: Авг. 20, 2024
The
C-N
coupling
reaction
demonstrates
broad
application
in
the
fabrication
of
a
wide
range
high
value-added
organonitrogen
molecules
including
fertilizers
(e.g.,
urea),
chemical
feedstocks
amines,
amides),
and
biomolecules
amino
acids).
electrocatalytic
pathways
from
waste
resources
like
CO
