New Journal of Chemistry,
Год журнала:
2024,
Номер
48(22), С. 10010 - 10018
Опубликована: Янв. 1, 2024
Herein,
we
have
developed
an
elegant
strategy
to
heterogenize
a
homogeneously
active
Pd-based
catalyst
via
decoration
on
porous
polymer
framework
for
the
cycloaddition
of
CO
2
and
epoxides
cyclic
carbonates
under
mild
solvent-free
conditions.
ChemNanoMat,
Год журнала:
2021,
Номер
7(6), С. 580 - 591
Опубликована: Апрель 9, 2021
Abstract
As
the
ultimate
carbon
emission
of
combustion
process,
dioxide
(CO
2
)
is
a
serious
environmental
hazard
in
increasing
global
climate
temperature
through
greenhouse
effect.
Porous
heterogeneous
catalysts
have
drawn
huge
interest
for
capture
and
past
decades;
significant
developments
can
be
observed
their
fabrication
implementation
CO
conversion.
In
this
context,
emerging
development
major
porous
such
as
MOFs,
COFs,
metal
oxides
etc.
conversion
are
discussed.
Their
physiochemical
properties
influence
on
efficiency
enlightened.
The
review
provides
concise
report
various
types
catalysts,
current
trends,
application
reduction
fixation
synthesis
fuels
other
important
fine
chemicals
future
research
directions
deployment
Carbon
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 24, 2024
Developing
efficient
heterogeneous
catalysts
for
chemical
fixation
of
CO2
to
produce
high-value-added
chemicals
under
mild
conditions
is
highly
desired
but
still
challenging.
Herein,
we
first
reported
an
approach
prepare
a
novel
catalyst
(Ag@NCNFs),
featuring
Ag
nanoparticles
(NPs)
embedded
within
porous
nitrogen-doped
carbon
nanofibers
(NCNFs),
via
growing
metal–organic
framework
on
one-dimensional
electrospun
followed
by
pyrolysis.
Benefiting
from
the
abundant
nitrogen
species
and
structure,
NPs
well
dispersed
in
obtained
Ag@NCNFs.
Catalytic
studies
indicated
that
Ag@NCNFs
exhibited
excellent
catalytic
activity
three-component
coupling
reaction
CO2,
secondary
amines,
propargylic
alcohols
generate
β-oxopropylcarbamates
with
turnover
number
(TON)
16.2,
it
can
be
recycled
reused
at
least
5
times
without
obvious
decline
activity.
The
mechanism
was
clearly
clarified
FTIR,
NMR,
13C
isotope
labeling,
control
experiments,
density
functional
theory
calculations.
results
suggest
1,8-diazabicyclo[5.4.0]undec-7-ene
synergistically
activate
alcohol
react
then
generated
α-alkylidene
cyclic
carbonate
invaded
amine
β-oxopropylcarbamate.
Importantly,
best
our
knowledge,
this
experimental
theoretical
investigation
reaction.
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(22), С. 10010 - 10018
Опубликована: Янв. 1, 2024
Herein,
we
have
developed
an
elegant
strategy
to
heterogenize
a
homogeneously
active
Pd-based
catalyst
via
decoration
on
porous
polymer
framework
for
the
cycloaddition
of
CO
2
and
epoxides
cyclic
carbonates
under
mild
solvent-free
conditions.