Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(18), P. 5033 - 5043
Published: Jan. 1, 2024
A
series
of
1,1-dibenzylethylene
derivatives
were
obtained
in
moderate-to-good
yields
via
double
coupling
aryl
bromides
and
methylenecyclopropanes
Ni/photoredox
catalysis.
The
critical
roles
nickel
this
reaction
disclosed.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(7), P. 1198 - 1203
Published: Feb. 9, 2023
Herein,
a
nickel
catalysis
system
for
desulfonylative
C(sp2)–C(sp2)
reductive
cross-coupling
reactions
of
aryl
sulfone
derivatives
with
range
bromides
has
been
established
to
form
diverse
biaryl
compounds.
The
complex
Ar–Ni(II)–SO2CF3
bearing
phosphine
ligand
through
oxidative
addition
Ni(0)
species
was
isolated
and
confirmed
by
an
X-ray,
which
provides
solid
evidence
the
understanding
C(Ar)–SO2
bond
activation
reaction
mechanism.
Zinc
and
manganese
are
widely
used
as
reductants
in
synthetic
methods,
such
nickel-catalyzed
cross-electrophile
coupling
(XEC)
reactions,
but
their
redox
potentials
unknown
organic
solvents.
Here,
we
show
how
open-circuit
potential
measurements
may
be
to
determine
the
thermodynamic
of
Zn
Mn
different
solvents
presence
common
reaction
additives.
The
impact
these
is
analyzed
for
a
pair
Ni-catalyzed
each
showing
preference
one
two
reductants.
N-alkyl-2,4,6-triphenylpyridinium
reagents
(Katritzky
salts)
with
aryl
halides
then
compared
under
chemical
conditions,
using
or
reductants,
electrochemical
performed
at
applied
corresponding
reduction
optimized
achieve
maximum
yield.
collective
results
illuminate
important
role
reductant
XEC
reactions.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
The
pursuit
of
sustainable
and
environmentally
benign
methods
techniques
continues
to
challenge
organic
chemists.
Herein,
we
report
the
development
a
novel
approach
in
which
electromagnetic
induction
could
participate
coupling
chlorides
using
rotating
magnetic
field
metal
rods.
In
particular,
describe
application
this
strategy
nickel-catalyzed
cross-electrophile
aryl
with
alkyl
chlorides.
Using
these
abundant
commercially
available
organochlorides,
such
system
allows
reactions
proceed
broader
scope
than
current
protocols
under
mild
conditions.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 1, 2025
Aryl
chlorides
are
more
commercially
available
and
lower
cost
compared
with
aryl
bromides
iodides.
However,
the
use
of
(hetero)aryl
as
radical
precursors
for
di(hetero)arylation
alkenes
remains
an
underdeveloped
area.
Furthermore,
existing
examples
theses
reactions
predominantly
confined
to
activated
alkenes.
In
this
study,
we
introduce
a
photoirradiation-promoted
benzophenone-catalyzed
1,2-di(hetero)arylation
process
that
is
applicable
both
unactivated
alkenes,
utilizing
cyanoarenes
sources.
Importantly,
method
allows
simultaneous
introduction
two
heterocycles
high
regioselectivity.
Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(11), P. 3012 - 3018
Published: Jan. 1, 2024
Herein,
we
report
a
decarbonylative
C(sp
2
)–C(sp
)
reductive
cross-coupling
of
aroyl
fluorides
with
aryl
bromides
by
palladium
and
cobalt
co-catalysis.