European Journal of Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
27(17)
Published: May 8, 2024
Abstract
The
use
of
Pd‐catalysts
based
on
biaryl
phosphacycles
allowed
facile
Suzuki‐Miyaura
couplings
a
wide
range
deactivated,
sterically
hindered,
and
heteroaryl
chloride
substrates
with
aryl
boronic
acids.
Notably,
the
strongly
electron‐deficient
sufficiently
hindered
phosphacycle
ligand
7
consistently
demonstrated
effective
performance.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 23, 2025
Alcohols
and
aryl
carboxylic
acids
are
among
the
most
commercially
abundant,
synthetically
versatile,
operationally
convenient
building
blocks
in
organic
chemistry.
Despite
their
widespread
availability,
direct
formation
of
C(sp3)-C(sp2)
bonds
from
these
functional
groups
remains
a
challenge.
Recently,
our
group
developed
robust
protocols
to
harness
alcohols
as
alkyl
radical
precursors,
but
activation
relatively
unexplored.
Herein,
we
describe
merger
N-heterocyclic
carbene
(NHC)-mediated
deoxygenation
nickel-mediated
decarbonylation
toward
bond
formation.
The
utility
this
method
is
demonstrated
through
synthesis
diverse
range
aryl-alkyl
cross-coupled
products
late-stage
functionalization
complex
molecules,
including
drugs,
natural
products,
biomolecules.
New Journal of Chemistry,
Journal Year:
2021,
Volume and Issue:
45(37), P. 17190 - 17195
Published: Jan. 1, 2021
An
efficient
palladium-catalyzed
denitrogenative
cross-coupling
reaction
of
1,2,3-benzotriazin-4(3
H
)-ones
with
organoboronic
acids
is
described.
The
affords
various
ortho
-aryl
and
alkenylated
benzamides
in
good
to
high
yields.
Organic Letters,
Journal Year:
2022,
Volume and Issue:
24(8), P. 1678 - 1683
Published: Feb. 24, 2022
Heteroaromatic
biaryls
are
core
scaffolds
found
in
a
plethora
of
pharmaceuticals;
however,
their
direct
synthesis
by
the
Suzuki
cross-coupling
is
limited
to
heteroaromatic
halide
starting
materials.
Here,
we
report
diverse
nitrogen-containing
Pd-catalyzed
decarbonylative
widely
available
heterocyclic
carboxylic
acids
with
arylboronic
acids.
The
practical
and
modular
nature
this
enabled
straightforward
preparation
>45
heterobiaryl
products
using
pyridines,
pyrimidines,
pyrazines,
quinolines
excellent
yields.
We
anticipate
that
protocol
will
find
broad
application
medicinal
chemistry
drug
discovery
research.
ACS Omega,
Journal Year:
2021,
Volume and Issue:
6(41), P. 27578 - 27586
Published: Oct. 5, 2021
To
improve
product
yields
in
synthetic
reactions,
it
is
important
to
use
appropriate
catalysts.
In
this
study,
we
used
machine
learning
design
catalysts
for
a
reaction
system
which
both
Buchwald-Hartwig-type
and
Suzuki-Miyaura-type
cross-coupling
reactions
proceed
simultaneously.
First,
using
an
existing
dataset,
yield
prediction
models
were
constructed
with
between
experimental
conditions,
including
the
substrate
catalyst
of
two
products.
Seven
methods
calculating
descriptors
proposed,
predictive
ability
was
discussed
terms
methods.
Then,
predict
compound
new
combinations
substrates
catalysts,
predictions
experimentally
validated
high
reproducibility,
confirming
that
can
from
conditions
accuracy.
addition,
will
our
added
datasets
collected
scientific
papers
designed
ligands.
The
proposed
candidates
tested
actual
experiments,
results
exceeded
yields.
RSC Advances,
Journal Year:
2021,
Volume and Issue:
11(43), P. 26883 - 26891
Published: Jan. 1, 2021
A
family
of
biaryl
phosphacyclic
ligands
derived
from
phobane
and
phosphatrioxa-adamantane
frameworks
is
described.
The
rigid
phosphacycles
are
efficient
for
Suzuki-Miyaura
cross-coupling
aryl
bromides
chlorides.
In
particular,
coupling
reactions
the
challenging
sterically
hindered
heterocyclic
substrates
were
viable
at
room
temperature.
RSC Advances,
Journal Year:
2020,
Volume and Issue:
10(72), P. 43962 - 43974
Published: Jan. 1, 2020
Domino
oxidation-Suzuki-Miyaura
cross-coupling
of
benzyl
alcohols
with
phenylboronic
acid
and
domino
reduction-C-N
the
nitro
compounds
aryl
halides
were
carried
out
using
a
strong
Ni/Pd
bimetallic
redox
catalyst.
The
catalyst
bearing
copolymer
two
coordinated
metals
in
porphyrin
(derived
from
demetalated
chlorophyll
b)
salen-type
ligands,
pyridine
moiety
as
base
functionality
all
immobilized
on
magnetite
NPs
was
synthesised
characterized.
oxidation
reaction
accomplished
under
molecular
O2
absence
any
hydride
acceptor
or/and
base.
Also,
reduction
C-N
performed
presence
NaBH4
without
need
for
co-reductant.
This
multifunctional
gave
moderate
to
good
yields
both
coupling
reactions
high
chemoselectivity.
A
wide
investigation
conducted
determine
its
mechanism
Carbonheteroatom
bonds,
most
often
amide
and
ester
are
the
standard
method
to
link
together
two
complex
fragments
be-cause
carboxylic
acids,
amines,
alcohols
ubiquitous
reactions
reliable.
However,
CN
CO
linkages
a
metabolic
liability
because
they
prone
hydrolysis.
While
C(sp2)–C(sp3)
preferable
in
many
cases,
methods
make
them
require
different
starting
materials
or
less
functional-group
compatible.
We
show
here
new,
decarbonylative
reaction
that
forms
bonds
from
of
activated
acids
(via
2-pyridyl
esters)
with
alkyl
groups
derived
amines
N-alkyl
pyridinium
salts)
halides).
Key
this
process
is
remarkably
fast,
reversible
oxidative
addi-tion/decarbonylation
sequence
enabled
by
pyridone
bipyridine
ligands
that,
under
conditions
purge
CO(g),
lead
selective
reaction.
The
mild
enough
allow
coupling
more
fragments,
such
as
those
used
drug
develop-ment,
demonstrated
typical
Proteolysis
Targeting
Chimera
(PROTAC)
anchor
common
linkers
via
CC
linkages.