Assembly of Diverse Allenes via Activator-Free Palladium-Catalyzed Regioselective γ-Arylation of Propargylamines with Boronic Acids
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Controlling
the
reaction
selectivity
to
achieve
a
precision
synthesis
is
constant
concern
for
chemists.
Here,
we
report
palladium-catalyzed
deaminative
coupling
of
propargylamines
with
arylboronic
acids
generate
allene
skeletons.
Importantly,
this
approach
allows
regioselective
γ-arylation
unactivated
propargyl
tertiary
amines
access
various
allenes
in
absence
amino-activating
reagents.
We
present
wide
range
and
boronic
demonstrate
synthetic
application
target
products
construct
valuable
compounds.
Язык: Английский
Palladium-Catalyzed Intermolecular 1,3-Dienylation of Propargyl Esters Involving the Insertion of SO2
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 20, 2025
A
palladium-catalyzed
three-component
1,3-dienylation
of
propargylic
esters
with
DABSO
and
aryl
iodides
has
been
developed.
This
novel
reductive
cross-coupling
reaction
produces
2-sufonylated
1,3-dienes
as
single
products
in
the
presence
metal
Mn
high
regio-
chemoselectivities.
Control
experiments
demonstrated
that
transformation
may
undergo
a
radical
process.
Язык: Английский
Palladium(ii)-catalyzed 1,3-heteroaryl acyloxylation of propargylic electrophiles
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(15), С. 4077 - 4083
Опубликована: Янв. 1, 2024
Here,
we
report
a
regio-
and
stereo-defined
1,3-heteroaryl
acyloxylation
of
3-substituted
propargylic
esters
with
readily
available
heteroarenes
including
indoles,
pyrroles,
furans
thiophenes
under
palladium
catalysis.
Язык: Английский
Thiophene and benzo[b]thiophene
Progress in heterocyclic chemistry,
Год журнала:
2024,
Номер
unknown, С. 89 - 122
Опубликована: Янв. 1, 2024
Язык: Английский
Palladium-catalysed asymmetric cascade transformations of 4-alken-2-ynyl carbonates to construct complex frameworks
Chemical Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 27, 2024
A
palladium-catalysed
asymmetric
auto-tandem
reaction
between
4-alken-2-ynyl
carbonates
and
diverse
ortho-functionalized
activated
alkenes
is
reported,
giving
complex
frameworks
in
moderate
yields
with
excellent
chemo-,
regio-
stereoselectivity.
Язык: Английский