Molecules,
Journal Year:
2024,
Volume and Issue:
30(1), P. 51 - 51
Published: Dec. 26, 2024
In
recent
years,
there
has
been
growing
interest
in
the
development
of
greener
alternatives
to
traditional
reagents
used
carbon–carbon
coupling
reactions,
particularly
response
environmental
concerns.
The
commonly
aryl
halides,
despite
being
highly
reactive
Suzuki–Miyaura
(SMC),
pose
significant
risks.
As
a
result,
research
shifted
towards
exploring
use
phenols,
which
are
widely
accessible
and
environmentally
benign.
However,
phenols
considerably
less
due
poor
leaving
group
properties
hydroxyl
group,
necessitating
prior
activation
facilitate
their
reactions.
This
work
aims
review
investigations
on
strategies
for
focusing
application
related
C-C
couplings.
addition,
exploration
potential
conducting
step
“in
situ”
will
also
be
discussed.
We
hope
that
this
article
pave
way
more
sustainable
efficient
methodologies,
addressing
both
ecological
practical
challenges
organic
synthesis.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(24), P. 9016 - 9025
Published: Jan. 1, 2024
Initial
calculations
of
environmental
footprints
associated
with
using
Ni
vs
Pd
catalysis
in
a
representative
metal-catalyzed
Suzuki–Miyaura
cross-coupling
reveal
that
the
choice
ligated
metal
is
often
NOT
consequence.
Rather,
it
culmination
other
parameters
such
as
medium.
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
38(6)
Published: April 2, 2024
β‐Cyclodextrin
has
drawn
significant
attention
as
a
special
class
of
cyclic
oligomers
over
the
past
few
decades.
They
have
been
employed
in
many
organic
conversions
green
alternative
catalysts
to
perform
satisfactorily
catalytic
activity
and
modify
efficiency
reactions.
Its
availability,
nontoxicity,
low
cost,
renewability,
high
performance
transformations
are
several
benefits
cyclodextrins
that
captured
interest
research
groups
worldwide.
In
recent
decades,
great
progress
made
developing
metal‐catalyzed
coupling
reactions
create
carbon–carbon
bonds.
For
transition‐metal‐catalyzed
cross‐coupling,
using
modified
β‐cyclodextrin
derivatives
is
much
more
pleasant
due
obvious
advantages
such
valuable
properties
capability
an
inclusion
complex
with
different
metals.
The
particular
purpose
this
review
summarize
application
β‐cyclodextrin‐based
catalyst
systems
Suzuki
reaction
for
synthesis
biaryl
compounds
covering
years
2019–2023.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(7), P. 2593 - 2600
Published: Jan. 1, 2024
The
first
asymmetric
amide
cross-couplings
that
rely
on
C–N
bond
activation
using
transition
metal
catalysis
are
reported.
study
establishes
a
new
avenue
in
chemistry.
This
review
delves
into
the
peroxides
or
visible
light
induced
metal-free
C–H
bond
cleavage
to
accomplish
C(sp/sp
2
/sp
3
)–H
alkylation,
alkenylation,
arylation,
carbonylation,
carbamoylation,
alkynylation
and
cyanation.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(35), P. 18473 - 18485
Published: Aug. 20, 2024
The
search
for
cost-effective,
efficient,
and
ecofriendly
heterogeneous
catalysts
the
Suzuki-Miyaura
reaction
is
crucial
due
to
challenges
with
expensive,
toxic
homogeneous
catalysts.
This
study
centrally
aims
at
crafting
a
pioneering
green
catalyst
by
adorning
reduced
graphene
oxide
(rGO),
sourced
from
basil
seeds
(
Digital Discovery,
Journal Year:
2024,
Volume and Issue:
3(12), P. 2487 - 2496
Published: Jan. 1, 2024
We
present
a
simple
and
fast
linear
model
for
discovering
organometallic
catalysts
the
Suzuki–Miyaura
cross-coupling
reaction,
using
combinatorial
approach.
Physical Chemistry Chemical Physics,
Journal Year:
2023,
Volume and Issue:
25(42), P. 28871 - 28884
Published: Jan. 1, 2023
The
molecular
mechanism
of
a
Cu-catalysed
coupling
reaction
was
theoretically
studied
using
density
functional
theory
(DFT)
and
the
complete
active
space
self-consistent
field
method
followed
by
second-order
perturbation
(CASSCF/CASPT2)
to
investigate
effects
strong
electron
correlation
Cu
centre
on
profile.
Both
DFT
CASSCF/CASPT2
calculations
showed
that
catalytic
cycle
proceeds
via
an
oxidative
addition
(OA)
reaction,
reductive
elimination
(RE)
where
OA
is
rate-determining
step.
Although
DFT-calculated
activation
energies
RE
steps
are
highly
dependent
choice
functionals,
results
less
affected
DFT-optimised
geometries.
Therefore,
with
careful
assessment
based
single-point
energy
evaluation,
optimal
geometry
good
qualitative
use
for
energetics
at
CASPT2
level
theory.
Based
changes
in
populations
3d
orbitals
during
steps,
characteristic
features
electronic
structure
were
qualitatively
consistent
those
calculated
CASSCF
method.
Further
analysis
natural
orbital
occupancy
wavefunction
ground
state
almost
single-reference
this
system
effect
can
be
dealt
MP2
or
CCSD
method,
too.
However,
slightly
smaller
occupation
numbers
3dπ
course
reactions
suggested
Cu(III)
appears
through
interaction
between
C-I
antibonding
σ*
step,
Cu-C
Journal of the Society of Powder Technology Japan,
Journal Year:
2023,
Volume and Issue:
60(10), P. 600 - 606
Published: Oct. 10, 2023
This
study
proposed
a
sulfidation
process
as
practical
approach
for
recovering
Ni
from
the
acidic
spent
catalyst.
can
be
obtained
by
precipitate
NiS
particle
adding
Na2S
in
media
(pH
3).
In
presence
of
chelate
agents,
2,2'-bipyridine
(bpy),
percentage
value
recovery
hydroxylation
was
only
46%,
and
improved
to
88%
sulfidation.
XAFS
analyses
precipitates
showed
that
more
than
60%
chelate-free
oxidized
NiSO4;
while
about
80%
remained
when
it
generated
bpy-containing
condition.
However,
also
bound
with
bpy
particle,
revealed
FT-IR
spectra.
From
these
results,
,
catalyst,
would
precipitated
an
S-Ni-bpy
cluster
process.
