Dearomative 1,4-Difunctionalization of Non-Activated Arenes Enabled by Boryl Radical-Mediated Halogen-Atom Transfer
Chengliang Deng,
No information about this author
Hao Wu,
No information about this author
Sheng Li
No information about this author
et al.
ACS Catalysis,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1294 - 1304
Published: Jan. 7, 2025
Given
the
widespread
presence
of
spirocyclic
scaffolds
in
natural
products
and
pharmacologically
relevant
synthetic
compounds,
development
efficient
methodologies
for
their
construction
holds
great
importance
medicinal
chemistry
pharmaceutical
research.
In
this
study,
a
general
photochemical
dearomative
spirocyclization
nonactivated
arenes
has
been
established.
The
key
to
method
lies
ability
amine-borane
radicals
activate
aryl
bromides
iodides
via
halogen-atom
transfer,
thereby
allowing
conversion
halides
into
corresponding
subsequent
chemodivergent
transformations.
remarkable
compatibility
versatility
1,4-difunctionalization
is
showed
by
rapid
assembly
structurally
diverse
1,4-cyclohexadiene-based
spirocycles
incorporating
oxindole,
indoline,
or
dihydrobenzofuran
subunits.
Moreover,
potential
utility
protocol
exemplified
formal
total
synthesis
vasopressin
V2
receptor
antagonist
Satavaptan.
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
Electrochemically Enabled Synthesis of Multi-substituted Pyrazoles via a Radical Cyclization Cascade
Wan‐Jie Wei,
No information about this author
Y. M. Zeng,
No information about this author
Xianfeng Liang
No information about this author
et al.
Green Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
We
have
developed
a
mild
and
efficient
electrochemical
reduction
approach
employing
aryl
diazonium
salts
as
dual
synthons
to
synthesize
valuable
multi-substituted
pyrazoles
for
the
first
time.
Language: Английский
Electrochemical Difunctionalization of Alkenes
Yin Zhang,
No information about this author
Zilong Zhou,
No information about this author
Jin‐Heng Li
No information about this author
et al.
The Chemical Record,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Owing
to
their
wide
utilizations
in
synthesis
and
products
prevalence
numerous
natural
products,
pharmaceuticals
functional
materials,
the
alkene
difunctionalization
methods
for
selective
transformations
of
olefins
are
important
have
attracted
much
attention
form
synthetic
chemists.
Among
them,
electrochemical
reaction
is
particularly
promising
has
becoming
a
potent
sustainable
tool
alkenes
into
vicinal
difunctionalized
structures
organic
through
simultaneous
incorporation
two
groups.
Herein,
we
summarize
recent
progress
reactions
according
types
as
well
category
radicals
over
past
five
years.
By
selecting
remarkable
examples,
elaborately
discussed
substrate
scope
mechanisms
olefin
reaction.
Language: Английский
Synthesis of 2-Organoselenyl Quinolines via Electro-Oxidative Selenocyclization of Isocyanides
Peng‐Fei Huang,
No information about this author
Jia-Le Fu,
No information about this author
Zhi-Gang Quan
No information about this author
et al.
The Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
Organoselenium
compounds
and
quinolines
are
widely
used
in
drugs
materials.
Herein,
we
report
an
electro-oxidative
cyclization
between
isocyanides
diselenides
to
effectively
synthesize
2-organoselenyl
a
simple
undivided
cell
without
transition-metal
catalysts
or
toxic
oxidants.
Gram-scale
synthesis
postsynthetic
modifications
highlighted
the
practicality
of
this
electrochemical
strategy.
A
series
produced
with
up
82%
yield,
good
functional
group
tolerance
high
atom
efficiency
under
room
temperature.
Language: Английский
Photoredox Radical Cyclization of o-Vinylaryl Isocyanides and Aryldiazonium Tetrafluoroborates for the Synthesis of 2,4-Disubstituted Quinolines
The Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 23, 2025
Quinolines,
a
significant
part
of
nitrogen-containing
heterocycles,
are
widely
found
in
functional
compounds.
Herin,
photochemical
radical
cyclization
reaction
o-vinylaryl
isocyanides
and
aryldiazonium
tetrafluoroborates,
has
been
reported
to
build
2,4-diaryl
quinolines.
Readily
accessible
aryl
diazonium
salts
were
utilized
as
precursors
at
room
temperature.
This
approach
allowed
good
group
tolerance
substrate
applicability.
Language: Английский
Electrochemical Deaminative Carboxylation of Aryltriazenes with CO2 to Aryl Carboxylic Acids
Lan Zhao,
No information about this author
An‐Guo Wu,
No information about this author
Hongru Li
No information about this author
et al.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 18, 2025
The
utilization
of
CO2
as
an
appealing
chemical
feedstock
for
diverse
synthetically
valuable
products
is
constantly
evolving,
potentially
alleviating
production
that
relies
on
petrochemistry.
Herein
we
report
the
first
example
electrochemical
deaminative
carboxylation
aryltriazenes
with
CO2.
reaction
can
be
performed
under
mild
and
catalyst-free
conditions
by
using
sustainable
methods
a
green
C1
building
block,
efficiently
converting
range
readily
available
into
carboxylic
acids.
In
particular,
formation
C-C
bonds
would
impactful
addition
to
synthesis
toolbox.
Language: Английский
Electrochemically Driven Denitrative Cyanation of Nitroarenes
Yiyi Chen,
No information about this author
Qisheng Chen,
No information about this author
Shuangquan Zhang
No information about this author
et al.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
26(36), P. 7555 - 7559
Published: Sept. 3, 2024
A
practical
denitrative
cyanation
of
feedstock
nitroarenes
under
mild
and
transition
metal-free
reaction
conditions
has
been
developed.
The
key
to
success
lies
in
the
use
electrochemically
driven,
inexpensive
ionic
liquid
Language: Английский
Anode material determined divergent 5‐<i>exo</i>‐<i>dig</i> cyclization of <i>N</i>‐cyano‐2‐halobenzamides toward 3‐iminoisoindolin‐1‐ones and 3‐aminoisoindolin‐1‐ones
Xiaoqing Xie,
No information about this author
Zi-Qiong Li,
No information about this author
Wei Zhou
No information about this author
et al.
Advanced Synthesis & Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 6, 2024
Abstract
Herein,
an
electroreductive
aryl
radical
enabled
5‐
exo
‐
dig
cyclization
of
N
‐cyano‐2‐halobenzamides
is
presented,
providing
a
convenient
route
for
the
synthesis
variety
3‐iminoisoindolin‐1‐ones
in
30–75%
yields.
Simply
by
employing
zinc
plate
instead
graphite
rod
anode,
products
electrosynthesis
are
switched
to
diverse
3‐aminoisoindolin‐1‐ones
through
aryl‐radical‐mediated
and
subsequent
reductive
hydrogenation.
Furthermore,
this
anode
material
determined
divergent
features
mild
electrochemical
conditions,
excellent
substrate
scopes,
good
functional
group
tolerance.
Language: Английский