Room-Temperature Copper Cross-Coupling Reactions of Anilines with Aryl Bromides
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 28, 2025
We
present
a
novel
copper-catalyzed
method
for
aniline
cross-couplings
promoted
by
6-hydroxy
picolinhydrazide
ligand.
The
achieves
room-temperature
reactivity
with
aryl
bromides,
enabled
methanol/ethanol
solvent
mixture
and
mild,
functional
group-compatible
base,
catalyst
loadings
as
low
0.5
mol
%.
use
of
industrially
preferred
solvents
well
the
high
catalytic
activity,
offers
significant
advancement
in
practicality
scalability
industrial
processes.
Furthermore,
approach
extends
to
cross-coupling
chlorides
under
elevated
temperatures
demonstrates
compatibility
additional
nucleophile
classes.
Language: Английский
cis-Diphosphine Ethene Ligand-Ni Complex Catalyzed C-P Cross-Coupling of Aryl Chlorides
Yumeng Wu,
No information about this author
Zhe Tang,
No information about this author
Xiaoli Li
No information about this author
et al.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: June 2, 2025
Nickel
complexes
supported
by
cis-diphosphine
ethene
ligands
were
synthesized
and
employed
in
the
C-P
coupling
reaction
of
aryl
chlorides.
The
rigid
five-membered-ring
structure
formed
bisphosphine
with
olefinic
backbones
nickel
may
be
crucial
for
facilitating
reductive
elimination
step
catalytic
cycle.
steric
hindrance
electronic
properties
these
have
also
been
shown
to
a
significant
effect
on
rate
extent
reaction.
A
series
chlorides
can
smoothly
converted
corresponding
trisubstituted
phosphine
oxides
disubstituted
oxides,
as
well
dialkyl
phosphites,
under
mild
conditions.
system
showed
good
compatibility
heterocyclic
structures.
In
addition,
this
air-stable
easy-to-handle
complex
has
demonstrated
application
potential
synthesis
pharmaceutical
molecules.
Language: Английский