Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(57), P. 7351 - 7354
Published: Jan. 1, 2024
Cp
2
Fe-mediated
electrochemical
synthesis
of
a
diverse
array
phosphorylated
azaspiro[4.5]di/trienones
has
been
developed,
which
demonstrated
broad
substrate
scope
and
good
diastereoselectivity.
Chemistry - An Asian Journal,
Journal Year:
2023,
Volume and Issue:
18(9)
Published: March 15, 2023
Electrochemical
dearomative
spirocyclization
serves
as
a
green
and
sustainable
approach
to
convert
the
flat,
two-dimension
aromatic
feedstock
into
value-added
three-dimension
spirocyclic
architectures.
This
review
highlights
recent
advances,
emphasizes
mechanistic
discussions,
showcases
synthetic
applications
of
this
emerging
versatile
powerful
transformation.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(8), P. 2827 - 2832
Published: Jan. 1, 2024
Efficient
control
over
several
possible
reaction
pathways
of
free
radicals
is
the
chemical
basis
their
highly
selective
transformations.
Among
various
competing
pathways,
sulfonimidyl
generated
from
electrolysis
2-alkynylbenzenesulfonamides
undergo
cascade
migratory
or
Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(20), P. 5813 - 5819
Published: Jan. 1, 2024
In
this
paper,
we
have
developed
an
efficient
strategy
for
the
concise
synthesis
of
diverse
selenyl
imidazo[2,1-
b
]thiazinones
via
electrochemical
oxidative
three-component
tandem
reactions
in
absence
transition
metals,
and
oxidants.
Synthesis,
Journal Year:
2023,
Volume and Issue:
55(18), P. 2873 - 2895
Published: Jan. 24, 2023
Abstract
Spirocyclic
compounds
have
attracted
the
interest
of
synthetic
chemists
because
their
unique
ring
systems
and
utility
in
drug
discovery.
Many
natural
containing
spirocyclic
moieties
skeleton
are
effective
pharmaceuticals.
For
many
redox
processes,
electroorganic
synthesis
is
considered
an
environmentally
friendly
method,
since
use
reagents
with
significant
toxicity
replaced
by
electric
current,
so
amount
waste
often
greatly
reduced.
Therefore,
this
review
summarizes
construction
a
via
electrochemical
strategies
2000.
1
Introduction
2
Electrochemically
Mediated
Synthesis
Spirocyclopropanes
3
Spirooxindoles
4
Spirodienones
5
Other
Heterospirocycles
6
Conclusion
The Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
88(19), P. 13977 - 13994
Published: Sept. 11, 2023
The
combination
of
the
Ugi
reaction
and
electro-organic
synthesis
can
aid
in
creation
novel
heterocycles
that
have
not
been
previously
explored.
In
this
study,
a
new
strategy
utilizing
bis-amides
from
has
developed,
which
produce
C–S,
C–Se,
C–C═O
functionalized
five-membered
spirolactams
mediated
by
electricity
under
catalyst-
metal-free
conditions.
Notably,
approach
be
applied
using
microelectro-flow
reactor
(μ-EFR)
for
gram-scale
synthesis.
described
synthesize
complex
azaspiro-fused
tricyclic
scaffolds
with
high
diastereo-
regioselectivity,
highlighting
its
versatility
potential.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(4), P. 2200 - 2211
Published: Feb. 8, 2024
Electrochemical
dearomatization
has
been
recognized
as
an
attractive
tool
for
the
rapid
construction
of
structurally
diverse
molecules.
The
designed
methodology
encompasses
eco-friendly
and
efficient
electrochemical
approach
to
synthesizing
spiro[4.5]dienones
under
mild
reaction
conditions.
Furthermore,
detailed
mechanistic
studies
strongly
bolster
our
hypothesis
emphasize
role
HFIP
in
mechanism.
protocol
is
scalable
showcases
a
broad
substrate
scope
with
tolerance
toward
numerous
functional
groups.
Henceforth,
this
strategy
can
be
deployed
alternative
sustainable
accessing
spiro[4.5]dienones.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
26(11), P. 2243 - 2248
Published: March 8, 2024
The
preparation
of
polycyclic
aromatic
hydrocarbons
(PAHs)
by
the
Scholl
reaction
is
typically
performed
using
superstoichiometric
oxidants.
Herein,
we
develop
an
electrochemical
continuous-flow
to
access
PAHs
that
features
a
reduction
in
use
supporting
electrolytes
and
easy
scale-up
without
changing
conditions
setups.
This
allows
synthesis
distorted
containing
three
[5]helicene
units
possess
intriguing
electronic
optical
properties.
Advanced Synthesis & Catalysis,
Journal Year:
2023,
Volume and Issue:
365(8), P. 1211 - 1216
Published: March 23, 2023
Abstract
An
electrochemical
oxidative
approach
to
spirooxazolidinones
from
phenol
derivatives
via
intramolecular
dearomative
amination
reactions
is
developed.
This
reaction
proceeds
without
metal
catalysts
and
external
chemical
oxidants,
shows
broad
substrate
scope
diverse
functional
group
compatibility.
The
synthetic
utility
of
this
strategy
further
exhibited
by
the
gram‐scale
synthesis
late‐stage
functionalization.
By
slightly
tunning
conditions,
alcohols
(1°,
2°
3°)
can
be
afforded
derivatives,
which
a
good
for
deprotection
para
‐methoxyphenyl
(PMP)
recover
alcohol
function.
magnified
image
Chinese Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
42(9), P. 980 - 984
Published: Dec. 26, 2023
Comprehensive
Summary
The
development
of
efficient
and
sustainable
methods
to
obtain
spirocyclic
compounds
is
significance
as
these
structures
are
widely
found
in
pharmaceuticals
agrochemicals.
Herein,
we
disclose
an
electrochemical
dearomative
spirocyclization
N
‐acyl
sulfonamides
a
continuous‐flow
cell.
reaction
simple
without
external
catalysts
or
supporting
electrolytes
could
be
applied
decagram‐scale
synthesis.