Copper-Catalyzed Successive Radical Reactions of Glycine Derivatives
Youwan Ye,
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Dong-Sheng Ji,
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Chenxing Zhou
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et al.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
27(4), P. 1054 - 1059
Published: Jan. 16, 2025
Here,
we
present
a
three-component
successive
radical
addition
strategy
for
the
preparation
of
complex
noncanonical
α-amino
acids
from
easily
available
glycine
derivatives,
alkenes,
and
aryl
sulfonium
salts
via
copper-catalyzed
photoredox-neutral
catalytic
cycle.
The
utility
this
method
is
further
demonstrated
by
its
application
in
late-stage
site-selective
modifications
residues
short
peptides.
It
worth
noting
that
only
1
mol
%
copper
catalyst
required
reaction,
demonstrating
high
efficiency.
Language: Английский
Recent Advances in Covalent Organic Frameworks as Photocatalysts for Organic Transformations
Yongjian Du,
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Jinwen Jiao,
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Ziyi Zhang
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et al.
Journal of environmental chemical engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116253 - 116253
Published: March 1, 2025
Language: Английский
Blue‐Light‐Induced Stereoselective Synthesis of α‐Alkylated Amino Acid Derivatives
Hongying Fan,
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Meiling Ye,
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Xue Zhang
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et al.
European Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 21, 2025
Abstract
A
photoredox‐catalyzed
decarboxylative
C(
sp
3
)−H
alkylation
of
glycine
derivatives,
utilizing
(+)/(−)‐camphorsultam
as
a
chiral
auxiliary
and
alkyl
N
‐hydroxyphthalimide
(NHP)
ester
radical
precursor,
has
been
developed,
providing
an
efficient
approach
for
the
stereoselective
synthesis
valuable
enantioenriched
unnatural
α
‐alkylated
amino
acid
derivatives.
The
methodology
operates
under
mild
conditions,
demonstrates
broad
substrate
tolerance,
exhibits
excellent
stereoselectivity.
Preliminary
mechanistic
investigations
indicate
that
reaction
proceeds
via
pathway.
Language: Английский
Visible-light-catalyzed Synthesis of Amino Alcohols from N,N-dimethylaniline and Aryl Aldehyde
Jiahui Jin,
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Yi-Jian Ma,
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Yu-Yun Yin
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et al.
Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
53(6)
Published: June 1, 2024
Abstract
Herein,
we
describe
a
direct
radical
addition
reaction
of
aryl
aldehyde
and
N,
N-dimethylaniline
using
iridium
complex
as
photocatalyst
to
form
amino
alcohols
under
mild
conditions,
offering
convenient
sustainable
methodology.
The
could
be
easily
scaled
up
through
continuous
flow
with
high
yield.
A
series
alcohol
compounds
were
synthesized
photocatalyst.
reaction.
mechanism
has
been
investigated
the
aid
density
functional
theory
(DFT)
calculations.
Language: Английский