Chemical Communications,
Год журнала:
2023,
Номер
59(80), С. 11923 - 11931
Опубликована: Янв. 1, 2023
Aerobic
oxidative
cleavage
of
the
C–C
bond
is
summarized,
focusing
on
reactions
catalyzed
by
sustainable
non-noble
metal
catalysts
and
carried
out
under
mild
conditions.
ACS Catalysis,
Год журнала:
2023,
Номер
13(22), С. 14996 - 15006
Опубликована: Ноя. 6, 2023
The
oxidative
cleavage
and
functionalization
of
C–C
bonds
in
1,2-diols
have
become
a
rapidly
growing
field
chemical
transformations.
However,
achieving
it
direct
selective
manner,
especially
using
metal-free-based
catalysts,
remains
challenging
because
the
inherent
kinetic
inertness
thermodynamic
stability
bonds.
Herein,
we
describe
general
efficient
metal-free
N-doped
porous
carbon
material
that
enables
synthesis
nitriles
from
1,2-diols.
A
broad
array
structurally
distinct
mono-
multisubstituted
can
smoothly
undergo
to
obtain
O2
as
oxidant
aq.
NH3
nitrogen
source.
Notably,
amidation
deliver
amides
also
be
achieved
with
NH4OAc
series
control
experiments
verify
preference
selectivity
for
stems
synergistic
effect
carboxylic
acid
group
catalysts
carboxylate
anions.
This
protocol
exhibits
easy
scalability,
substrate
scope,
remarkable
functional
tolerability,
recyclable
catalyst.
Characterization
analysis
experimental
data
reveal
high
catalytic
activity
materials
is
mainly
attributed
graphitic-N
species
large
specific
surface
area.
Catalysis Science & Technology,
Год журнала:
2023,
Номер
13(21), С. 6233 - 6237
Опубликована: Янв. 1, 2023
Developing
Co-based
catalysts
with
high
efficiency
and
low
cost
is
significant
for
the
efficient
hydrodeoxygenation
of
biomass-derived
vanillin
to
2-methoxy-4-methylphenol
(MMP).
Abstract
Selective
and
efficient
transformation
of
lignin
to
the
value‐added
chemicals
is
importance
realize
industrial
application
renewable
biomass
resources.
The
oxidative
cleavage
carbon‐carbon
(C−C)
bond
a
promising
technique
for
depolymerization
refining
lignin.
Herein,
catalyst
system
valorization
models
summarized,
which
includes
thermocatalytic,
photocatalytic
electrocatalytic
approaches.
In
thermocatalytic
system,
homogeneous
catalysis
heterogeneous
introduced
discussed,
respectively.
For
or
used
photocatalyst
electrocatalyst
emphasized.
At
last,
insights
main
challenges
future
perspectives
on
have
been
presented.
Chemical Communications,
Год журнала:
2023,
Номер
59(80), С. 11923 - 11931
Опубликована: Янв. 1, 2023
Aerobic
oxidative
cleavage
of
the
C–C
bond
is
summarized,
focusing
on
reactions
catalyzed
by
sustainable
non-noble
metal
catalysts
and
carried
out
under
mild
conditions.