Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
38(6)
Published: April 22, 2024
Photocatalytic
conversion
of
renewable
biomass‐derived
aldehydes
into
high‐valued
chemicals
is
a
promising
path
to
meet
the
growing
demand
for
clean
energy
and
chemical
resources.
However,
approach
still
faces
challenges,
such
as
limited
reaction
types
low
utilization
rates
due
complex
functional
groups
involved
polytropic
reaction.
In
present
work,
we
developed
catalyst
Pt
nanoparticles
(Pt
NPs)
supported
on
NiO–In
2
O
3
bimetallic
oxide
(denoted
Pt/NiInO
x
)
photocatalytic
hydrogenation
furfural
(FAL)
alcohol
(FOL).
Owing
excellent
band
structure
efficient
internal
charge
transfer
p–n
heterojunction
in
catalyst,
highest
99.9%
yield
FOL
was
obtained
over
under
light‐emitting
diode
(LED)
light
at
temperatures
273
K.
The
combination
·H
dissociated
from
H
oxygen
vacancy
work
synergically
adsorb,
activate,
converse
C=O
C–O
group.
system
presents
highly
rapid
biomass‐based
LED
radiation
intensity
temperature.
expected
serve
an
important
reference
constructing
oxide‐supported
active
metals,
enabling
separation
photogenerated
electrons
holes,
offering
vacancies
various
reactions.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(37)
Published: June 20, 2024
Abstract
The
cleavage
of
C−O
bonds
is
one
the
most
promising
strategies
for
lignin‐to‐chemicals
conversion,
which
has
attracted
considerable
attention
in
recent
years.
However,
current
catalytic
system
capable
selectively
breaking
lignin
often
requires
a
precious
metal
catalyst
and/or
harsh
conditions
such
as
high‐pressure
H
2
and
elevated
temperatures.
Herein,
we
report
novel
protocol
paired
electrolysis
to
effectively
cleave
C
β
−O−4
bond
model
compounds
real
at
room
temperature
ambient
pressure.
For
first
time,
“cathodic
hydrogenolysis
linkage”
“anodic
C−H/N−H
cross‐coupling
reaction”
are
an
undivided
cell,
thus
synthesis
valuable
triarylamine
derivatives
could
be
simultaneously
achieved
energy‐effective
manner.
This
features
mild
reaction
conditions,
high
atom
economy,
remarkable
yield
with
excellent
chemoselectivity,
feasibility
large‐scale
synthesis.
Mechanistic
studies
indicate
that
indirect
H*
(chemical
absorbed
hydrogen)
reduction
instead
direct
electron
transfer
might
pathway
cathodic
linkage.
