Robust Noble Metal-Free Photoconversion of CO2 to CO with a Molecule/MOF Hybrid Catalyst for Straightforward Two-Chamber Organic Carbonylation
ACS Catalysis,
Год журнала:
2025,
Номер
unknown, С. 3546 - 3557
Опубликована: Фев. 12, 2025
Язык: Английский
Copper-PMHS System-Enabled Reductive Cyclization of o-Aminobenzamides with CO2 as a Single-Carbon Synthon
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
Chemical
utilization
of
carbon
dioxide
(CO2)
has
emerged
as
a
sustainable
access
for
synthesizing
high-value
chemicals.
Continuously
designing
the
more
practical
reaction
systems
is
large
importance.
Herein,
an
unprecedented
and
powerful
copper-PMHS
reductive
system
o-aminobenzamides
with
CO2
disclosed.
Synthetically,
diverse
range
quinazolinones
(>70
examples)
are
rapidly
assembled
excellent
functional
group
tolerance
in
good
yields.
Moreover,
building
other
types
heterocycles
such
benzothiazoles
benzimidazoles
also
allowable.
Mechanistically,
differing
from
reported
carbonylation
cases,
this
finding
represents
scarce
example
single-carbon
atom
synthon
PMHS
system.
Язык: Английский
Iridium-Catalyzed, Copper-Induced Reductive Cyclization of NO2-Pyrrolarenes with CO2 as a Single-Carbon Source
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
A
new
catalytic
conversion
type
of
nitro
substrate
with
CO2
as
a
single-carbon
source
is
presented,
wherein
great
collection
azaheterocycles
generated
by
newly
established
iridium-catalyzed,
copper-induced
reductive
system.
This
procedure
handily
employs
poly(methylhydrosiloxane)
(PMHS)
the
reductant
to
simultaneously
realize
dual
reduction
highest
oxidation-state
and
units
in
one
operation.
Elaborate
mechanistic
studies
illustrate
essential
role
iridium
catalyst
reducing
NO2
moiety
well
double
functions
copper
additive
subsequent
formylation
C-H
cyclization
steps.
Язык: Английский
Recent Progress and Strategies on the Design of Zeolite-Based Catalysts for Hydroformylation of Olefins
Catalysts,
Год журнала:
2024,
Номер
14(12), С. 942 - 942
Опубликована: Дек. 20, 2024
Due
to
their
unique
structural
and
mechanical
characteristics,
zeolites
are
of
great
interest
as
carriers
for
the
design
catalysts.
This
review
is
focused
on
progress
in
development
new
zeolite-based
catalysts
hydroformylation.
The
procedures
materials
synthesis
modification,
methods
metal
introduction,
effect
catalyst
structure
activity,
selectivity,
stability
hydroformylation
discussed.
highlights
role
up-to-date
analytical
techniques
fine-tuned
active
selective
greatest
achievements
over
past
five
years
considered
detail
this
demonstrate
a
high
potential
Future
prospects
possible
directions
upcoming
studies
regarded.
Язык: Английский
Shape‐Selective Zeolites for Tandem CO2 Hydrogenation‐Carbonylation Reactions
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 8, 2024
Abstract
The
valorization
of
carbon
dioxide
as
a
C1
building
block
in
C−C
bond
forming
reactions
is
critical
link
on
the
road
to
carbon‐circular
chemistry.
Activation
this
inert
molecule
through
reduction
with
H
2
monoxide
reverse
water‐gas
shift
(RWGS)
reaction
can
be
followed
by
wide
spectrum
consecutive
carbonylation
reactions,
but
RWGS
severely
equilibrium
limited
at
moderate
temperatures
carbonylations.
Here
we
successfully
reconcile
both
one
pot,
while
avoiding
incompatibilities
zeolite‐based
compartmentalized
approach.
More
specifically,
Pt
encapsulated
small‐pore
LTA
zeolite
selectively
generates
mild
conditions;
an
ensuing
one‐pot
allows
continuous
consumption
CO.
Moreover,
encapsulation
avoids
undesired
like
hydrogenation
olefin
reactant
molecular
sieving
effect.
This
strategy
was
first
studied
in‐depth
for
Rh‐catalyzed
hydroformylation
CO
/H
,
affording
aldehydes
good
yields
high
regioselectivities.
methodology
then
extended
variety
carbonylations
using
synthesis
bulk
and
fine
chemicals.
Язык: Английский
Reductive Transformation of CO2 to Organic Compounds
The Chemical Record,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 9, 2024
Carbon
dioxide
is
a
major
greenhouse
gas
and
safe,
abundant,
easily
accessible,
renewable
C1
resource
that
can
be
chemically
converted
into
high
value-added
chemicals,
fuels
materials.
The
preparation
of
urea,
organic
carbonates,
salicylic
acid,
etc.
from
CO
Язык: Английский
Substrate-Controlled Divergent Reductive Cyclization of 2-Arylanilines Using CO2 as a Switching Reagent
Organic Letters,
Год журнала:
2024,
Номер
27(1), С. 510 - 516
Опубликована: Дек. 30, 2024
Capturing
CO2
is
highly
valued
in
the
field
of
organic
synthesis,
especially
underdeveloped
dual-CO2
conversion.
In
this
study,
we
detail
a
novel
reductive
cyclization
2-indolylanilines
with
dual
as
difunctional
reagent
presence
PMHS
[poly(methylhydrosiloxane)],
delivering
methyl-substituted
quinoxalines.
Furthermore,
another
chemoselective
2-pyrrolylanilines
also
realized
by
converting
mono-CO2.
Mechanistic
investigations
shed
light
upon
fact
that
substrate-controlled
divergence
mainly
depends
on
formation
N-diacylative
intermediates.
Язык: Английский
Shape‐Selective Zeolites for Tandem CO2 Hydrogenation‐Carbonylation Reactions
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 8, 2024
Abstract
The
valorization
of
carbon
dioxide
as
a
C1
building
block
in
C−C
bond
forming
reactions
is
critical
link
on
the
road
to
carbon‐circular
chemistry.
Activation
this
inert
molecule
through
reduction
with
H
2
monoxide
reverse
water‐gas
shift
(RWGS)
reaction
can
be
followed
by
wide
spectrum
consecutive
carbonylation
reactions,
but
RWGS
severely
equilibrium
limited
at
moderate
temperatures
carbonylations.
Here
we
successfully
reconcile
both
one
pot,
while
avoiding
incompatibilities
zeolite‐based
compartmentalized
approach.
More
specifically,
Pt
encapsulated
small‐pore
LTA
zeolite
selectively
generates
mild
conditions;
an
ensuing
one‐pot
allows
continuous
consumption
CO.
Moreover,
encapsulation
avoids
undesired
like
hydrogenation
olefin
reactant
molecular
sieving
effect.
This
strategy
was
first
studied
in‐depth
for
Rh‐catalyzed
hydroformylation
CO
/H
,
affording
aldehydes
good
yields
high
regioselectivities.
methodology
then
extended
variety
carbonylations
using
synthesis
bulk
and
fine
chemicals.
Язык: Английский