Molecules,
Journal Year:
2025,
Volume and Issue:
30(9), P. 1987 - 1987
Published: April 29, 2025
CO2,
an
abundant
and
renewable
C1
source,
presents
significant
potential
for
applications
in
organic
synthesis.
Hydrazones,
recognized
their
distinctive
properties,
exhibit
high
versatility
synthetic
chemistry,
facilitating
numerous
chemical
transformations.
Given
crucial
roles
synthesis,
the
combination
of
CO2
with
hydrazones
has
garnered
increasing
research
interest.
This
review
provides
a
comprehensive
summary
recent
progress
reactions
involving
or
derivatives.
These
include
coupling
amines
N-tosylhydrazones
umpolung-mediated
carboxylation
hydrazones/N-tosylhydrazones
cyclization
lactamization
incorporating
CO2.
transformations
utilize
diverse
reactivity
derivatives
to
capture
convert
generating
valuable
compounds
both
academic
practical
relevance.
Additionally,
examines
mechanisms
underlying
these
reactions,
offering
critical
insights
advancing
this
area.
ACS Catalysis,
Journal Year:
2025,
Volume and Issue:
15(2), P. 1287 - 1293
Published: Jan. 7, 2025
C(sp3)–H
bond
functionalization
is
a
powerful
strategy
for
the
synthesis
of
organic
compounds
due
their
abundance
in
simple
starting
materials.
Photoredox
catalysis
has
led
to
diverse
array
enabling
activation
strategies;
however,
general
platform
direct
carboxylic
acid
derivatives
remains
elusive.
Disclosed
herein
development
cooperative
NHC/photoredox-catalyzed
esterification
transformation.
This
method
enables
access
benzylic,
α-heteroatom,
and
formal
β-esterification
products
moderate
high
yields
under
mild
reaction
conditions.
Chinese Journal of Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
Comprehensive
Summary
The
use
of
CO
2
as
a
renewable
C1
source
for
the
synthesis
value‐added
chemicals
can
contribute
to
more
sustainable
chemistry.
In
this
work,
nickel‐catalyzed
amide‐directed
carboxylation
aryl
C−F
bonds
with
has
been
developed.
reaction
is
switchable
controlled
by
LiCl
react
one
or
two
molecules
afford
valuable
phthalimides
α‐hydroxycarboxylic
acid
derivatives.
Further
study
shows
that
step‐by‐step
process.
first
step
and
tandem
cyclization
phthalimides.
second
C−N
bond
,
intramolecular
nucleophilic
addition
amide
anion
carbonyl.
also
developed
based
on
reaction.
work
features
inert
functionalization,
activation,
multiple
incorporation.
Mechanistic
studies
indicate
azanickelacycle
intermediates
play
an
important
role,
facilitates
reduction
Ni(II)
Ni(I)
promotes
molecule
.
This
protocol
provides
efficient
route
functionalization
under
mild
conditions
via
chemical
fixation
The Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 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.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Direct
one-step
electrochemical
dealloying
to
fabricate
bicontinuous
Bi–Pb
electrocatalysts,
with
optimized
electronic
and
structural
properties,
demonstrating
excellent
performance
for
CO
2
reduction
formate
enhanced
selectivity
stability.
