A versatile entry to unnatural, disulfide-linked amino acids and peptides through the disulfuration of azlactones
M Iwata,
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Yuzuki Takami,
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Hayato Asanuma
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et al.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
An
efficient
method
for
preparing
SS
-linked
amino
acid/peptide
derivatives
has
been
developed
via
a
base-catalyzed
disulfuration
reaction
of
azlactones,
followed
by
ring-opening
functionalization.
Language: Английский
Photocatalytic selective disulfuration of aryl aldehydes and alkenyl aldehydes with dithiosulfonate as bifunctional disulfur reagent and hydrogen atom accepter
Jingchao Jiao,
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Juan Xu,
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Jingru Li
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et al.
Organic Chemistry Frontiers,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
We
developed
a
photocatalytic
method
for
the
selective
disulfuration
of
aryl
aldehydes
and
alkenyl
using
bifunctional
dithiosulfonate
(ArSO
2
-SSR),
enabling
synthesis
benzoyl
disulfides
chroman-4-ones
with
disulfide
moieties.
Language: Английский
Nickel-catalysed highly regioselective synthesis of β-acyl naphthalenes under reductive conditions
Yujuan Wu,
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Chen Ma,
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Jia-Fan Qiao
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et al.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(44), P. 5723 - 5726
Published: Jan. 1, 2024
A
nickel-catalysed
reductive
ring-opening
reaction
of
7-oxabenzonorbornadienes
with
acyl
chlorides
as
the
electrophilic
coupling
partner
was
developed,
generating
β-acyl
naphthalene
unique
product
without
any
α
iso.
Language: Английский
Synthesis of Unsymmetrical Disulfides via Photocatalytic Hydrodisulfuration
Qi-Rui Dong,
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Yisen Wang,
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Juan Zhang
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et al.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown, P. 18237 - 18246
Published: Nov. 26, 2024
Language: Английский
Recent Advances in Visible Light Photocatalytic and Transition Metal-Catalyzed Synthesis of Disulfide Compounds
Organic & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Reviewing
photocatalytic
and
metal-catalyzed
disulfide
synthesis,
2021–2024,
emphasizes
efficiency,
selectivity,
sustainability
for
drug
material
science.
Language: Английский
Nickel-Catalyzed Reductive Cyanation of Aryl Halides and Epoxides with Cyanogen Bromide
Yujuan Wu,
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Chen Ma,
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Muhammad Bılal
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et al.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 6016 - 6016
Published: Dec. 20, 2024
Nitriles
are
valuable
compounds
because
they
have
widespread
applications
in
organic
chemistry.
This
report
details
the
nickel-catalyzed
reductive
cyanation
of
aryl
halides
and
epoxides
with
cyanogen
bromide
for
synthesis
nitriles.
robust
protocol
underscores
practicality
using
a
commercially
available
cost-effective
reagent.
A
variety
featuring
diverse
functional
groups,
such
as
-TMS,
-Bpin,
-OH,
-NH2,
-CN,
-CHO,
were
successfully
converted
into
nitriles
moderate-to-good
yields.
Moreover,
syntheses
at
gram-scale
application
late-stage
natural
products
drugs
reinforces
its
potentiality.
Language: Английский
Collaborative Reduction-Induced Nickel-Catalytic Selective C–S Coupling of Aryl Di/Trithiosulfonates with Aryl Halides
Organic Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
Metal-catalytic
conversion
of
polysulfide
reagents
is
a
major
challenge
in
organic
synthesis
due
to
its
challenging
activation
modes
multiple
S–S
bonds.
The
utilization
aryl
di-
and
trithiosulfonates
nickel-catalyzed
reductive
coupling
with
halides
has
been
unexplored.
Herein,
we
unprecedentedly
describe
PPh3
Zn-collaborative
reduction-induced
nickel-catalytic
selective
C–S
di/trithiosulfonates
access
sulfides
over
common
disulfides
or
trisulfides.
Diverse
mechanistic
studies
indicate
that
the
key
design
such
reaction
could
be
attributed
employment
MgCl2,
which
collaborate
Zn
for
improved
reduction
potential
enables
cleavage
PhSO2(S)naryl
(n
=
2,
3)
electrophilic
sulfur
species
sulfuration
controllable
fashion.
Language: Английский