Synlett,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
Abstract
In
this
account,
we
summarize
our
recent
progress
on
the
structural
regulation
and
selective
catalysis
of
biomass-derived
carbon-based
non-precious
nanocatalysts
(Fe,
Co,
Ni,
Cu)
in
organic
reactions
that
include
hydrogenation
functional
nitro
compounds
to
amines,
oxidation
alkenes,
coupling
reactions,
unsaturated
aldehydes.
1
Introduction
2
Fe-Based
Catalysts
3
Co-Based
4
Ni-Based
5
Cu-Based
6
Conclusions
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(3), P. 248 - 248
Published: March 5, 2025
As
a
type
of
sustainable
and
renewable
natural
source,
biomass-derived
5-hydroxymethyl
furfural
(HMF)
can
be
converted
into
high-value
chemicals.
This
study
investigated
the
interactions
between
silver
(Ag)
oxide
supports
with
varied
reducibility
their
contributions
to
tuning
catalytic
performance
in
selective
oxidation
HMF.
Three
representatives
manganese
dioxide
(MnO2),
zirconium
(ZrO2),
silicon
(SiO2)
were
selected
support
Ag
active
sites.
The
catalysts
characterized
by
techniques
such
as
STEM
(TEM),
Raman,
XPS,
H2-TPR,
FT-IR
spectroscopy
explore
morphology,
dispersion,
surface
properties,
electronic
states.
results
demonstrated
that
MnO2
highest
exhibited
superior
performance,
achieving
75.4%
HMF
conversion
41.6%
selectivity
for
2,5-furandicarboxylic
acid
(FDCA)
at
120
°C.
In
contrast,
ZrO2
SiO2
limited
capabilities,
mainly
producing
intermediate
products
like
FFCA
and/or
HMFCA.
ability
these
was
governed
reducibility,
because
it
determined
density
oxygen
vacancies
(Ov)
hydroxyl
groups
(OOH),
eventually
influenced
activity,
reaction
rate:
Ag/MnO2
(3214.5
molHMF·gAg−1·h−1),
Ag/ZrO2
(2062.3
Ag/SiO2
(1394.4
molHMF·gAg−1·h−1).
These
findings
provide
valuable
insights
rational
design
high-performance
chemical
conversion.
Synlett,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
Abstract
In
this
account,
we
summarize
our
recent
progress
on
the
structural
regulation
and
selective
catalysis
of
biomass-derived
carbon-based
non-precious
nanocatalysts
(Fe,
Co,
Ni,
Cu)
in
organic
reactions
that
include
hydrogenation
functional
nitro
compounds
to
amines,
oxidation
alkenes,
coupling
reactions,
unsaturated
aldehydes.
1
Introduction
2
Fe-Based
Catalysts
3
Co-Based
4
Ni-Based
5
Cu-Based
6
Conclusions