Angewandte Chemie,
Год журнала:
2024,
Номер
136(50)
Опубликована: Авг. 13, 2024
Abstract
The
surface
chemistry
of
CeO
2
is
dictated
by
the
well‐defined
facets,
which
exert
great
influence
on
supported
metal
species
and
catalytic
performance.
Here
we
report
Pt
1
/CeO
catalysts
exhibiting
specific
structures
Pt−O
coordination
different
facets
using
adequate
preparation
methods.
simple
impregnation
method
results
in
3
predominantly
exposed
{111}
while
photo‐deposition
achieves
oriented
atomic
deposition
for
4
into
“nano‐pocket”
structure
{100}
at
top.
Compared
to
impregnated
catalyst
showing
normal
redox
properties
low‐temperature
activity
CO
oxidation,
photo‐deposited
exhibits
uncustomary
strong
metal‐support
interaction
extraordinary
high‐temperature
stability.
methods
dictate
facet‐dependent
diversity
coordination,
resulting
further
activity‐selectivity
trade‐off.
By
applying
routes,
our
work
provides
an
example
disentangling
effects
support
environments
nano‐catalysts.
ACS Catalysis,
Год журнала:
2025,
Номер
unknown, С. 1170 - 1181
Опубликована: Янв. 6, 2025
The
one-pot
synthesis
of
amines
from
benzyl
alcohol
(BA)
and
nitrobenzene
(NB)
represents
a
step-economic
method.
However,
reported
works
typically
require
more
than
3
equiv
BA
to
complete
the
transfer
hydrogenation
NB,
few
studies
can
achieve
selective
imines
secondary
amines.
In
our
previous
work,
Zr(OH)4
demonstrated
both
dehydrogenation
capabilities.
Building
on
this,
another
component
Cu
was
introduced
enhance
its
catalytic
performance
for
catalyzing
coupling
reaction
between
stoichiometric
NB
under
H2
atmosphere.
physical
hybrid
catalyst
+
selectively
produced
imines,
while
supported
Cu/Zr(OH)4
yielded
Characterization
mechanism
experiments
revealed
that
modulating
proximity
leads
(1)
different
adsorption
abilities
N-benzylideneaniline
(NBA)
(2)
interactions
in
close
contact,
which
stabilized
electronic
structure
forming
Cu+/Cu0
ion
pairs
with
strong
activation
ability.
This
work
presents
design
strategy
offers
an
approach
preparation
N-benzylaniline.
iScience,
Год журнала:
2024,
Номер
27(6), С. 109857 - 109857
Опубликована: Май 1, 2024
SummaryThe
exploration
of
renewable
alternatives
to
fossil
fuels
for
chemical
production
is
indispensable
achieve
the
ultimate
goals
sustainable
development.
Chitin
biomass
an
abundant
platform
feedstock
that
naturally
bears
both
nitrogen
and
carbon
atoms
produce
nitrogen-containing
chemicals
(including
organonitrogen
ones
inorganic
ammonia).
The
expansion
biobased
toward
can
elevate
economic
competitiveness
benefit
biorefinery
scheme.
This
review
aims
provide
up-to-date
summary
on
overall
advances
chitin
production,
with
emphasis
design
catalytic
systems.
Catalyst
design,
solvent
selection,
parametric
effect,
reaction
mechanisms
have
been
scrutinized
different
transformation
strategies.
Future
prospectives
also
outlined.Graphical
abstract
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(50)
Опубликована: Авг. 13, 2024
Abstract
The
surface
chemistry
of
CeO
2
is
dictated
by
the
well‐defined
facets,
which
exert
great
influence
on
supported
metal
species
and
catalytic
performance.
Here
we
report
Pt
1
/CeO
catalysts
exhibiting
specific
structures
Pt−O
coordination
different
facets
using
adequate
preparation
methods.
simple
impregnation
method
results
in
3
predominantly
exposed
{111}
while
photo‐deposition
achieves
oriented
atomic
deposition
for
4
into
“nano‐pocket”
structure
{100}
at
top.
Compared
to
impregnated
catalyst
showing
normal
redox
properties
low‐temperature
activity
CO
oxidation,
photo‐deposited
exhibits
uncustomary
strong
metal‐support
interaction
extraordinary
high‐temperature
stability.
methods
dictate
facet‐dependent
diversity
coordination,
resulting
further
activity‐selectivity
trade‐off.
By
applying
routes,
our
work
provides
an
example
disentangling
effects
support
environments
nano‐catalysts.
Green Chemistry,
Год журнала:
2024,
Номер
26(22), С. 11019 - 11060
Опубликована: Янв. 1, 2024
Recent
advances
in
the
amination
of
biomass-derived
molecules
to
generate
valuable
nitrogenous
chemicals
by
employing
thermocatalysis,
electrocatalysis
and
photocatalysis
strategies
are
reviewed.
