The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 5, 2025
The
conversion
of
carbon
dioxide
(CO2)
into
valuable
chemicals
has
been
intensively
pursued
for
sustainable
chemistry.
It
is
highly
desirable
to
achieve
the
under
ambient
conditions
using
organocatalysts
instead
precious
or
pollutive
metal
catalysts.
Herein,
we
disclose
a
new
class
direct
C(sp)-H
carboxylation
with
CO2.
Amide
molecules
such
as
N-methylacetamide
and
valerolactam
behave
efficient
bifunctional
catalysts
promote
aromatic
alkynes
propiolic
acids.
In
particular,
simple
organic
enable
reaction
occur
at
room
temperature,
which
achieved
only
complex
transition
prior
this
report.
presence
optimal
base
Cs2CO3,
adjacent
nitrogen
oxygen
sites
amide
group
concurrently
activate
CO2
position
them
in
favor
C-C
coupling,
affording
high
catalytic
activity
on
par
those
work
sheds
light
chemistry
also
illustrates
great
potential
discovering
from
molecules.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(36)
Опубликована: Апрель 11, 2024
Abstract
The
high
toxicity,
volatility,
and
dispersion
of
the
light
aromatics,
benzene,
toluene,
xylene
(BTX)
pose
a
serious
threat
to
environment
human
health.
Compared
incineration,
catalytic
oxidation
technologies
for
BTX
removal
offer
benefits
such
as
low
energy
consumption,
efficiency,
pollution.
ABO
3
–type
perovskite
catalysts
(ABO
–PCs)
are
particularly
promising
materials
due
their
activity
thermal
stability,
well
adjustable
elemental
composition
flexible
structure
allowing
properties
be
improved.
Nonetheless,
full
potential
–PCs
has
yet
reached.
This
review
systematically
critically
analyses
progress
in
by
–PCs.
Catalytic
performance
is
assessed
each
category
perovskite,
including
non–doped,
doped
(A–,
B–,
or
A/B–site
doped),
loading
type
(noble
metal,
metal
oxide,
matrix
composite),
with
structure–activity
relationships
established.
A
kinetic
model
proposed
mechanism
also
presented.
Finally,
challenges
opportunities
applied
other
reactions
highlighted.
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(8), С. 3443 - 3464
Опубликована: Фев. 14, 2024
CO2
capture
and
conversion
have
garnered
worldwide
attention
in
view
of
the
objective
sustainable
development
carbon
neutrality.
Recently,
ionic
liquid-functionalized
metal–organic
frameworks
(MOFs)
or
covalent–organic
(COFs)
(MOFs/COFs)
offer
a
rising
platform
for
effective
separation
from
specific
gas
mixture
into
value-added
chemicals.
Benefiting
synergistic
effect
offered
by
ILs
MOFs/COFs,
IL-MOFs/COFs
exhibit
better
exceptional
adsorption/catalytic
performance
than
pristine
MOFs/COFs
ILs.
Herein,
review
intends
to
establish
primary
database
recently
emerging
conversion,
covering
functionalization
strategies,
interaction
between
representative
applications,
aiding
rational
design
optimization
novel
with
properties
real-world
application.
Along
this
line,
different
systems
(CO2/N2,
CO2/CH4,
CO2/C2H2)
further
multiproducts
(cyclic
carbonate,
hydrocarbon,
alcohol,
others),
along
mechanism
insight
such
processes
are
summarized
discussed.
Furthermore,
challenges
prospects
topical
fields
been
elaborated.
Abstract
Activation
of
small
molecules
is
considered
to
be
a
central
concern
in
the
theoretical
investigation
environment‐
and
energy‐related
catalytic
conversions.
Sub‐nanostructured
frustrated
Lewis
pairs
(FLPs)
have
been
an
emerging
research
hotspot
recent
years
due
their
advantages
molecule
activation.
Although
progress
applications
FLPs
increasingly
reported,
fundamental
theories
related
structural
formation,
site
regulation,
mechanism
not
yet
fully
developed.
Given
this,
it
attempted
demonstrate
underlying
theory
corresponding
regulation
methods,
its
activation
on
using
CeO
2
as
representative
metal
oxide.
Specifically,
this
paper
presents
three
principles
for
constructing
surfaces,
feasible
engineering
methods
sites
are
presented.
Furthermore,
cases
where
typical
(e.g.,
hydrogen,
carbon
dioxide,
methane
oxygen,
etc.)
activated
over
analyzed.
Meanwhile,
future
challenges
development
FLPs‐centered
The
insights
presented
may
contribute
FLPs,
which
can
potentially
provide
inspiration
broader
catalysis
involving
RSC Advances,
Год журнала:
2024,
Номер
14(7), С. 4702 - 4716
Опубликована: Янв. 1, 2024
Synopsis:
A
organic
carbonate
derived
from
glycerol,
ethanol,
and
CO
2
demonstrates
efficient
plasticizing
properties
for
PLA,
offering
a
notable
advantage
in
terms
of
morphological
stability
over
the
conventional
plasticizer,
acetyltributylcitrate.
The Journal of Organic Chemistry,
Год журнала:
2023,
Номер
88(22), С. 15717 - 15725
Опубликована: Окт. 27, 2023
A
binary
catalytic
system
comprising
tetrahydroxydiboron
and
tetrabutylammonium
iodide
(TBAI)
was
used
to
catalyze
the
cycloaddition
of
carbon
dioxide
(CO2)
with
epoxides.
The
catalyst
(9
mol
%),
in
combination
use
TBAI
(13.5
%)
as
a
nucleophile,
is
capable
catalyzing
CO2
various
terminal
epoxides
under
room
temperature
balloon.
In
addition,
range
internal
epoxides,
including
sterically
hindered
bicyclic
vegetable
oil-based
were
suitable
for
system,
affording
series
cyclic
carbonates
moderate
high
yields.
tetrahydroxydiboron/TBAI
cooperative
mechanism
elucidated
using
Fourier
transform
infrared
spectroscopy,
nuclear
magnetic
resonance,
electrospray
ionization-high-resolution
mass
spectrometry.
Results
reveal
that
exhibits
dual
effects,
activating
both
epoxides;
initially,
it
underwent
insertion
form
boron–CO2
adduct
subsequently
activated
through
interaction
B–O
bond.
