Photoinduced Pd-Catalyzed Formal Asymmetric Allylic Substitution of Piperidine Scaffolds
ACS Catalysis,
Год журнала:
2025,
Номер
unknown, С. 4384 - 4393
Опубликована: Фев. 26, 2025
Язык: Английский
Regioselective 1,4-Hydroamination of 1,3-Dienes by Photoredox/Cobalt Dual Catalysis
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
Herein,
we
report
a
visible-light-driven
and
cobalt-mediated
1,4-hydroamination
reaction
of
1,3-dienes
with
arylmines
as
the
nucleophiles.
The
involves
regioselective
addition
[CoIII]–H
to
1,3-diene,
followed
by
oxidation
nucleophilic
substitution
amines.
Using
Ir(ppy)3
photocatalyst
enables
cobalt
redox
cycle
be
implemented
without
using
an
external
oxidant
hydride
regent.
This
protocol
can
applied
well
forge
carbon–oxygen
carbon–sulfur
bonds
in
analogous
way.
Язык: Английский
Enantioselective 1,2-Carboamination of 1,3-Dienes with N-Hydroxyphthalimide (NHP) Esters Enabled by a Photoinduced Pd Catalysis
Organic Letters,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 3, 2024
Herein,
a
photoinduced,
Pd-catalyzed
direct
1,2-carboamination
of
conjugated
1,3-dienes
has
been
successfully
achieved.
Sequential
regioselective
C-C
bond
and
enantioselective
C-N
formation
allows
rapid
assembly
wide
range
value-added
chiral
allylic
amines
from
readily
available
Язык: Английский
Enantioselective Synthesis of Aminals Via Nickel-Catalyzed Hydroamination of 2-Azadienes with Indoles and N-Heterocycles
Ya Du,
Shengzu Duan,
Shuntao Huang
и другие.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(45), С. 30947 - 30957
Опубликована: Окт. 30, 2024
New
methods
for
the
enantioselective
synthesis
of
N-alkylated
indoles
and
their
derivatives
are
great
interest
because
pivotal
structural
elements
in
biologically
active
molecules
natural
products.
They
also
versatile
intermediates
organic
synthesis.
Among
well-established
asymmetric
hydroamination
methods,
with
indole-based
substrates
is
a
formidable
challenge.
This
observation
likely
due
to
reduced
nucleophilicity
indole
nitrogen.
Herein,
unique
nickel-catalyzed
enantio-
branched-selective
2-azadienes
structurally
related
N-heterocycles
reported
generation
enantioenriched
Язык: Английский