Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
136(8)
Published: Dec. 20, 2023
Abstract
Multicomponent
reactions,
particularly
those
entailing
four
or
more
reagents,
have
presented
a
longstanding
challenge
due
to
the
inherent
complexities
associated
with
balancing
reactivity,
selectivity,
and
compatibility.
In
this
study,
we
describe
palladium‐catalyzed
multi‐component
fluoroalkylative
carbonylation
of
1,3‐enynes.
A
series
products
featuring
three
active
functional
groups‐allene,
fluoroalkyl,
carboxyl,
were
efficiently
selectively
integrated
in
single
chemical
operation.
Furthermore,
intricate
fluoroalkyl‐substituted
pyrimidinones
can
be
constructed
by
simply
altering
1,3‐bisnucleophilic
reagent.
This
approach
also
provides
valuable
strategy
for
late‐stage
modification
naturally
occurring
molecules
concise
construction
diverse
cyclic
compounds.
Science China Chemistry,
Journal Year:
2022,
Volume and Issue:
66(1), P. 139 - 146
Published: Dec. 12, 2022
Abstract
Fluorinated
heterocycles
play
a
vital
role
in
pharmaceutical
and
agrochemical
industries.
Hence,
rapid
efficient
construction
of
fluorinated
remains
highly
demanded.
Herein,
difluoroalkylative
carbonylative
cyclization
unactivated
alkenes
ethylene
gas
enabled
by
palladium
catalysis
has
been
developed
for
the
first
time
toward
synthesis
α-carbonyl
difluoro-modified
glutarimides.
This
procedure
can
also
be
applied
to
GeMigliptin
which
is
medicine
approved
treatment
type
2
diabetes
mellitus.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
63(8)
Published: Dec. 20, 2023
Multicomponent
reactions,
particularly
those
entailing
four
or
more
reagents,
have
presented
a
longstanding
challenge
due
to
the
inherent
complexities
associated
with
balancing
reactivity,
selectivity,
and
compatibility.
In
this
study,
we
describe
palladium-catalyzed
multi-component
fluoroalkylative
carbonylation
of
1,3-enynes.
A
series
products
featuring
three
active
functional
groups-allene,
fluoroalkyl,
carboxyl,
were
efficiently
selectively
integrated
in
single
chemical
operation.
Furthermore,
intricate
fluoroalkyl-substituted
pyrimidinones
can
be
constructed
by
simply
altering
1,3-bisnucleophilic
reagent.
This
approach
also
provides
valuable
strategy
for
late-stage
modification
naturally
occurring
molecules
concise
construction
diverse
cyclic
compounds.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
26(2), P. 427 - 432
Published: Jan. 8, 2024
A
mild
approach
to
the
visible-light-mediated
bimetal-catalyzed
meta-alkylation
of
arenes
has
been
accomplished.
The
regioselective
is
realized
by
a
bimetallic
ruthenium–palladium
system.
Ruthenium
acts
as
catalyst
for
directing
effect
and
photosensitizer,
while
cocatalyst
palladium
behaves
generation
fluoroalkyl
radicals.
This
reaction
not
only
suitable
two-component
meta-fluoroalkylation
but
can
also
be
extended
three-component
reactions
achieve
bifunctionalization
olefins.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(19)
Published: March 14, 2023
Nitrile
compounds
containing
ester
and
amide
groups
are
important
functionalized
chemicals
in
synthetic
medicinal
chemistry.
In
this
article,
an
efficient
convenient
palladium-catalyzed
carbonylative
procedure
toward
2-cyano-N-acetamide
2-cyanoacetate
has
been
developed.
The
reaction
proceeds
under
mild
conditions
via
radical
intermediate
which
is
suitable
for
late-stage
functionalization.
Gram-scale
experiment
was
performed
successfully
low
catalyst
loading
gave
the
target
product
excellent
yield.
Additionally,
transformation
can
be
atmospheric
pressure
provide
alternative
routes
to
7
drug
precursors.
Accounts of Chemical Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
ConspectusTransition-metal-catalyzed
carbonylation
coupling
methods
have
been
accepted
as
an
essential
tool
for
producing
carbonylated
products
over
the
past
few
decades.
Despite
its
long-standing
history
and
widespread
industrial
applications,
several
challenges
remain
in
chemistry.
These
include
reliance
on
precious
metal
catalysts,
need
of
high-energy
radiation,
difficulties
unactivated
chemical
bonds,
etc.
As
alternative
to
classic
two-electron
transfer
process,
single-electron-transfer
(SET)-mediated
has
emerged
a
powerful
achieve
elusive
transformations.
Over
years,
commonly
available
functional
handles,
such
alkenes
alkyl
halides,
via
single-electron
pathway
valuable
area
research.Our
team
dedicated
developing
new
reactions
using
bulk
chemicals
construct
high-value
products.
broad
synthetic
motivating
us
explore
SET-mediated
transformations
two
key
classes
chemicals:
alkanes
halides.
Specifically,
our
work
centered
main
approaches:
(1)
Single-electron
reduction
C(sp3)-X
bonds:
this
strategy
leverages
activate
promoting
formation
carbon
radicals,
which
turn
promotes
subsequent
addition
metals
or
CO.
However,
significant
challenge
lies
highly
negative
potential
certain
substrates
[Ered
<
-2
V
compared
saturated
calomel
electrode
(SCE)
iodides].
these
challenges,
intrinsic
reducibility
CO
reactivity
various
carbonyl-metal
intermediates
facilitate
smooth
reaction
progress.
(2)
oxidative
C(sp3)-H
emphasizes
efficiency,
high
atomic
utilization,
minimal
waste
by
bypassing
traditional
preactivation
methods.
Using
3d
we
successfully
performed
aminocarbonylation
alkoxycarbonylation
wide
range
bonds
(such
those
aliphatic
alkanes,
ethers,
amines,
etc.).
The
above
approaches
also
enabled
radical
relay
alkenes,
allowing
precise
control
pathways.
Such
improves
both
efficiency
selectivity.
advancements
transition
photoredox
catalysis
resulting
oxyalkylative
carbonylation,
aminoalkylative
fluoroalkylative
double
rearrangement
carbonylation.SET-mediated
significantly
enhances
sustainability
scalability
process
reducing
catalysts
enabling
milder
conditions.
Additionally,
carefully
controlling
intermediates,
fine-tuned
produce
with
This
flexibility
expands
applications
chemistry
processes.
Finally,
place
particular
emphasis
application
drug
discovery,
where
they
serve
handles
late-stage
modification
bioactive
molecules.
applicability
enriches
toolbox
synthesis,
efficient
functionalization
complex
versatile
approach
accelerate
discovery
novel
therapeutic
agents,
making
it
critical
modern
medicinal
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(15), P. 2571 - 2576
Published: April 6, 2023
Herein,
we
report
a
palladium-catalyzed
hydroalkoxycarbonylation
and
hydroxycarbonylation
of
cyclopent-3-en-1-ols
to
form
bridged
bicyclic
lactones
β,γ-unsaturated
carboxylic
acid.
The
divergent
reactivity
is
mainly
tuned
by
the
palladium
catalyst
ligands.
reaction
occurs
additive-free
has
broad
substrate
scope.
Several
valuable
synthetic
medical
intermediates
are
accessible
through
this
protocol.