Visible-light induced selenocyclization of 2-ethynylanilines under ambient conditions: simple FeBr3 as a dual-functional catalyst
Binbin Huang,
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Xinye Tang,
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Jiawei Yuan
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et al.
Organic & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
22(30), P. 6198 - 6204
Published: Jan. 1, 2024
Reported
herein
is
a
visible-light
induced
selenocyclization
of
2-ethynylanilines
under
ambient
conditions,
with
simple
FeBr
3
as
dual-functional
catalyst.
Language: Английский
Direct C(sp3)-H functionalization with aryl and alkyl radicals as intermolecular hydrogen atom transfer (HAT) agents
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Recent
years
have
witnessed
the
emergence
of
direct
intermolecular
C(sp
Language: Английский
Visible-light-mediated synthesis of polysubstituted pyrroles via CAr–I reduction triggered 1,5-hydrogen atom transfer process
Junlei Wang,
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Qinglin Xie,
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Guocheng Gao
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et al.
Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(16), P. 4522 - 4528
Published: Jan. 1, 2024
A
novel
strategy
for
the
construction
of
polysubstituted
pyrroles
has
been
developed
through
visible-light-induced
single-electron
reduction
C
Ar
–I
bonds
and
following
1,5-hydrogen
atom
transfer
(HAT)
process.
Language: Английский
Visible-Light-Driven Catalytic Dehalogenation of Trichloroacetic Acid and α-Halocarbonyl Compounds: Multiple Roles of Copper
Abigail J. Thillman,
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Erin C. Kill,
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Alexander N. Erickson
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et al.
ACS Catalysis,
Journal Year:
2025,
Volume and Issue:
15(5), P. 3873 - 3881
Published: Feb. 19, 2025
Herein,
we
report
the
reaction
development
and
mechanistic
studies
of
visible-light-driven
Cu-catalyzed
dechlorination
trichloroacetic
acid
for
highly
selective
formation
monochloroacetic
acid.
Visible-light-driven
transition
metal
catalysis
via
an
inner-sphere
pathway
features
dual
roles
species
in
photoexcitation
substrate
activation
steps,
a
detailed
understanding
their
is
crucial
further
light-driven
catalysis.
This
catalytic
method,
which
environmentally
desired
ascorbic
as
hydrogen
atom
source
water/ethanol
solvent,
can
be
applied
to
dehalogenation
variety
halocarboxylic
acids
amides.
Spectroscopic,
X-ray
crystallographic,
kinetic
have
revealed
mechanism
copper
photoexcitation,
thermal
first
C–Cl
bond,
excited-state
second
bond
chlorine
transfer.
Language: Английский
A Novel 2-Methylimidazole Promoted Oxyacyloxylation of α-Hydroxy Ketones and Anhydrides: An Easy Access to α-Acyloxy Ketones
Shi‐Wei Yu,
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Zhonghao Li,
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Miao-Xin Li
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et al.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(11), P. 811 - 811
Published: Nov. 11, 2024
An
efficient
and
operationally
simple
method
for
the
synthesis
of
α-acyloxy
ketones
through
readily
available
2-methylimidazole-promoted
reaction
α-hydroxy
anhydrides
is
developed.
In
reaction,
act
as
both
a
substrate
solvent.
The
new
features
good
tolerance,
mild
conditions,
accessible
starting
materials,
excellent
yields,
providing
facile
green
access
to
targets.
Importantly,
also
avoids
use
reagents
with
pungent
odors,
such
pyridine,
in
traditional
esterification,
which
may
promote
development
organocatalysis
using
nitrogen-containing
heterocyclic
compounds
catalysts.
Language: Английский
Z-Selective hydrosulfoxidation of alkynes with thiols and hydrogen peroxide Enabled by a Multifunctional octamolybdate
Xianghua Zeng,
No information about this author
Hao Xu,
No information about this author
Yongge Wei
No information about this author
et al.
Journal of Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown, P. 115892 - 115892
Published: Dec. 1, 2024
Language: Английский
Electron Donor–Acceptor Complex-Driven Divergent Routes to α-Amino Bicyclopentyl Iodides and Methylene Cyclobutanols
Vinjamuri Srinivasu,
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Koustav Pal,
No information about this author
S. Giri
No information about this author
et al.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 24, 2024
Amines
are
essential
due
to
their
structural
diversity
and
biological
significance.
Introducing
the
valuable
bicyclopentane
(BCP)
moiety
at
α-position
of
amines
offers
a
promising
strategy
for
developing
novel
bioactive
compounds.
This
study
outlines
divergent
synthesis
approach
generate
α-amino-functionalized
bicyclopentyl
iodides
methylene
cyclobutanols
under
mild
environmentally
sustainable
conditions.
By
employing
an
electron
donor-acceptor
(EDA)
complex
between
amine
inexpensive
readily
available
inorganic
base
Cs
Language: Английский