Cobalt-Catalyzed Three-Component Assembling of Aromatic Oximes with Substituted Dienes and Formaldehyde
Chemical Communications,
Год журнала:
2024,
Номер
60(76), С. 10540 - 10543
Опубликована: Янв. 1, 2024
A
cobalt-catalyzed
three-component
assembly
of
substituted
aryl
oximes
with
dienes
and
formaldehyde
Язык: Английский
Co(III)-Catalyzed Three-Component Assembling of 2-Pyridones with Dienes and Formaldehyde via C–H Bond Activation
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Here,
we
have
demonstrated
a
Co(III)-catalyzed
C–H
functionalization
of
substituted
pyridones
with
dienes
and
para-formaldehyde
via
three-component
sequential
reaction.
A
library
homoallylic
alcohols
is
synthesized
high
regio-
chemoselectivity.
The
reaction
scope
widely
compatible
various
N-pyridyl-2-pyridones,
butadiene,
dienes.
Interestingly,
N-pyridyl-4-pyridone
also
participated
in
the
product
was
further
converted
into
dihydrofuran-derived
N-pyridyl-2-pyridone
derivatives.
convincing
mechanism
mechanistic
investigations
are
described
to
justify
current
methodology.
Язык: Английский
Cu(I)-Catalyzed Highly Regioselective C–H Amidation of Quinoline N-Oxides with Dioxazolones
Zhiqiang Ren,
Tianhui Feng,
Tianli Gao
и другие.
Organic Letters,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 30, 2024
A
Cu(I)-catalyzed
highly
regioselective
synthesis
of
2-acetamidequinoline
Язык: Английский
Coordinating activation strategy enables 1,2-alkylamidation of alkynes
Jing Ren,
XU Jun-hua,
Xiangxiang Kong
и другие.
Chemical Science,
Год журнала:
2023,
Номер
14(41), С. 11466 - 11473
Опубликована: Янв. 1, 2023
The
radical
1,2-difunctionalization
reaction
of
alkynes
has
been
evolved
into
a
versatile
approach
for
expeditiously
increasing
the
complexity
common
feedstock
alkyne.
However,
intermolecular
1,2-carboamidation
with
general
alkyl
groups
is
an
unsolved
problem.
Herein,
we
show
that
coordinating
activation
strategy
could
act
as
efficient
tool
enabling
1,2-alkylamidation
alkynes.
With
employment
diacyl
peroxides
both
alkylating
reagents
and
internal
oxidants,
large
library
β-alkylated
enamides
constructed
in
three-component
manner
from
readily
accessible
amides
This
protocol
exhibits
broad
substrate
scope
good
functional
group
compatibility
amenable
late-stage
functionalization
natural
molecules
biologically
compounds.
Язык: Английский