Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
62(6)
Published: Dec. 7, 2022
Via
hydrothermal
synthesis
of
Sn-Al
gels,
mild
dealumination
and
ion
exchange,
a
bimetallic
Sn-Ni-Beta
catalyst
was
prepared
which
can
convert
glucose
to
methyl
lactate
(MLA)
vinyl
glycolate
(MVG)
in
methanol
at
yields
71.2
%
10.2
%,
respectively.
Results
from
solid-state
magic-angle
spinning
nuclear
magnetic
resonance,
X-ray
photoelectron
spectroscopy,
transmission
electron
microscopy,
spectroscopic
analysis,
probe-temperature-programmed
desorption,
density
functional
theory
calculations
conclusively
reveal
that
the
openness
Sn
sites,
such
as
by
formation
[(SiO)3
-Sn-OH]
entities,
is
governed
an
adjacent
metal
cation
Ni2+
,
Co2+
Mn2+
.
This
relies
on
low
structure-defective
pore
channel,
provided
current
scheme,
specific
silica
hydroxyl
anchor
point
associated
with
incorporation
for
additional
precise
localization.
The
presence
cations
significantly
improved
catalytic
performance
isomerization
conversion
MLA
sugar
compared
Sn-Beta.
Green Chemistry,
Journal Year:
2022,
Volume and Issue:
25(1), P. 59 - 105
Published: Nov. 29, 2022
Comparing
properties
of
ionic
liquids,
(deep)
eutectic
solvents
and
traditional
organic
solvents,
as
well
their
applicability
in
lignocellulosic
biomass
processing.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(9), P. 6623 - 6632
Published: April 16, 2024
The
formation
and
stabilization
of
Cu+
species
are
important
to
develop
efficient
Cu-based
catalysts
for
the
catalytic
transfer
hydrodeoxygenation
(CTHDO)
renewable
biomass
value-added
products
but
challenging.
Herein,
we
demonstrate
that
introduction
atomically
dispersed
Zr
into
a
CuOx
matrix
(Cu10Zr0.39Ox)
greatly
promoted
its
activity
stability
CTHDO
5-hydroxymethylfurfural
(HMF)
2,5-dimethylfuran
(DMF).
In
particular,
almost
quantitative
DMF
yield
could
be
implemented
over
Cu10Zr0.39Ox
accompanied
by
an
impressive
rate
8.1
mmolDMF·gcat–1·h–1,
which
outperforms
existing
works
HMF
DMF.
Experimental
theoretical
observations
revealed
electronic
interactions
between
doped
atom
enabled
generation
ample
stable
species.
single-atom
also
adsorption
activation
substrates
worked
synergistically
with
boost
reducing
reaction
energy
barriers.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(7), P. 5198 - 5226
Published: March 21, 2024
Among
all
renewable
energy
sources
(e.g.,
solar
energy,
wind,
and
biomass),
biomass
is
the
only
organic
carbon
resource
which
has
great
potential
to
partly
replace
nonrenewable
fossil
resources
produce
high
value-added
chemicals
biofuels.
Single-atom
catalysts
(SACs)
have
shown
compelling
prospects
arguably
become
one
of
most
active
research
fields
in
chemical
catalysis
due
their
fascinating
strengths
maximum
atomic
utilization,
highly
efficient
catalytic
reactivity,
selectivity,
good
stability.
Numerous
achievements
about
SACs
recently
been
amassed,
including
advanced
synthesis
methods,
characterization
techniques,
theoretical
calculation,
allowing
us
forecast
working
mechanisms
roles
metals
coordination
sites
process.
Based
on
relevant
literatures
over
past
few
years,
this
review
summarizes
preparation
methods
applications
for
conversions
with
a
special
focus
structure–activity
relationship
reaction
mechanism
as
well
future
developments
SACs.
This
provides
fundamental
information
development
valorization,
clearly
stimulating
emerging
field.
