ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(2), P. 907 - 920
Published: Jan. 4, 2024
Implementation
of
an
organic
molecular
photocatalyst
for
photoelectrochemical
(PEC)
transformations
has
been
a
highly
demanding
aspect
that
not
yet
mapped
out
extensively.
Herein,
we
have
unveiled
the
efficacy
phenalenyl-based
toward
intramolecular
C–S
bond
construction
reactions
under
mild
conditions.
This
phenalenyl
core,
which
contains
vacant
NBMO,
acts
as
electron
reservoir,
thereby
facilitating
formation
contact
ion
pair
with
electron-rich
systems
through
transfer
photoexcitation
and
aiding
in
catalytic
regeneration
by
anodic
oxidation
single
pot.
Detailed
mechanistic
investigation
using
UV–visible
spectral
analysis,
cyclic
voltammetry
experiments,
computational
calculations
revealed
prior
EDA
complex
between
substrate
triggers
this
PEC
process.
unified
strategy
was
successfully
implemented
six
different
to
synthesize
heterocycles
make
protocol
appealing
synthesis
bonds.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(47)
Published: June 7, 2022
Over
the
past
two
decades,
electro-organic
synthesis
has
gained
significant
interest,
both
in
technical
and
academic
research
as
well
terms
of
applications.
The
omission
stoichiometric
oxidizers
or
reducing
agents
enables
a
more
sustainable
route
for
redox
reactions
organic
chemistry.
Even
if
it
is
well-known
that
every
electrochemical
oxidation
only
viable
with
an
associated
reduction
reaction
vice
versa,
relevance
counter
often
less
addressed.
In
this
Review,
importance
corresponding
highlighted
how
can
affect
performance
selectivity
electrolytic
conversion.
A
selection
common
strategies
unique
concepts
to
tackle
issue
are
surveyed
provide
guide
select
appropriate
synthesis.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Cross-electrophile
coupling
(XEC),
defined
by
us
as
the
cross-coupling
of
two
different
σ-electrophiles
that
is
driven
catalyst
reduction,
has
seen
rapid
progression
in
recent
years.
As
such,
this
review
aims
to
summarize
field
from
its
beginnings
up
until
mid-2023
and
provide
comprehensive
coverage
on
synthetic
methods
current
state
mechanistic
understanding.
Chapters
are
split
type
bond
formed,
which
include
C(sp
Chinese Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
41(16), P. 1921 - 1930
Published: April 7, 2023
Comprehensive
Summary
The
radical‐mediated
reductive
functionalization
of
aryl
halides
has
been
extensively
studied.
However,
the
related
intermolecular
1,2‐diarylation
alkenes,
using
as
radical
sources,
remains
unexplored.
Herein,
a
new
electrophotocatalytic
alkenes
is
reported
and
cyanoaromatics
to
produce
polyarylated
alkanes.
Using
synergistic
cathodic
reduction
visible‐light
photoredox
catalysis,
various
electron‐rich
electron‐deficient
are
combined
with
characterize
broad
substrate
scope,
excellent
functional
group
compatibility,
selectivity
this
reaction.
Mechanistic
investigations
reveal
that
reaction
may
proceed
via
process
initiated
by
generation
radicals
from
terminated
radical‐radical
coupling
cyanoaromatic
anions.
JACS Au,
Journal Year:
2023,
Volume and Issue:
3(2), P. 575 - 583
Published: Feb. 7, 2023
Herein,
we
describe
an
electrochemical
pathway
for
the
synthesis
of
sulfilimines,
sulfoximines,
sulfinamidines,
and
sulfinimidate
esters
from
readily
available
low-valent
sulfur
compounds
primary
amides
or
their
analogues.
The
combination
solvents
supporting
electrolytes
together
act
both
as
electrolyte
well
a
mediator,
leading
to
efficient
use
reactants.
Both
can
be
easily
recovered,
enabling
atom-efficient
sustainable
process.
A
broad
scope
with
N-EWGs
is
accessed
in
up
excellent
yields
functional
group
tolerance.
This
fast
scaled
multigram
quantities
high
robustness
fluctuation
current
densities
3
orders
magnitude.
sulfilimines
are
converted
into
corresponding
sulfoximines
ex-cell
process
using
electro-generated
peroxodicarbonate
green
oxidizer.
Thereby,
preparatively
valuable
NH
accessible.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
26(1), P. 411 - 415
Published: Dec. 26, 2023
We
report
a
strategic
exploitation
of
trifluoromethyl
thianthrenium
triflate
(TT-CF3+OTf–)
as
both
electromediator
and
CF3
radical
precursors
for
paired
electrolysis.
Enabled
by
this
strategy,
the
three-component
trifluoromethylheteroaromatization
alkenes
alkynes
was
realized.
The
superiority
TT-CF3+OTf–
to
other
electrophilic
reagents
is
attributed
cathodic
generation
thianthrene
(TT)
mediator,
which
shifts
heterogeneous
oxidation
interest
homogeneous
one.
Organic Letters,
Journal Year:
2022,
Volume and Issue:
24(29), P. 5345 - 5350
Published: July 19, 2022
The
organoselenium-catalyzed
amination
of
alkenes
is
a
promising
way
to
construct
functionalized
amines.
However,
the
use
chemical
oxidants
and
unavoidable
formation
allylic
amine
or
enamine
are
two
main
limitations
these
methodologies.
Against
this
background,
we
herein
report
an
electro-selenocatalytic
regime
for
hydroazolylation
with
azoles
under
external
oxidant-free
conditions
low
catalyst
loadings.
Moreover,
protocol
enables
generation
amines
without
vinyl
substituents.
ACS Measurement Science Au,
Journal Year:
2023,
Volume and Issue:
3(5), P. 371 - 379
Published: July 13, 2023
Electrochemical
arrays
promise
utility
for
accelerated
hypothesis
testing
and
breakthrough
discoveries.
Herein,
we
report
a
new
high-throughput
electrochemistry
platform,
colloquially
called
"Legion,"
applications
in
electroanalysis
electrosynthesis.
Legion
consists
of
96
electrochemical
cells
dimensioned
to
match
common
96-well
plates
that
are
independently
controlled
with
field-programmable
gate
array.
We
demonstrate
the
by
measuring
model
probes,
pH-dependent
electron
transfers,
electrocatalytic
dehalogenation
reactions.
consider
advantages
disadvantages
this
instrumentation,
hope
expanding
toolbox.
ChemSusChem,
Journal Year:
2023,
Volume and Issue:
16(8)
Published: Jan. 18, 2023
A
sustainable
electrochemical
pathway
for
degradation
and
thermal
treatment
of
technical
lignosulfonate
is
presented.
This
approach
an
opportunity
to
produce
remarkable
quantities
low
molecular
weight
compounds,
such
as
vanillin
acetovanillone.
For
the
degradation,
a
simple
two-electrode
arrangement
in
aqueous
media
used,
which
also
easily
scalable.
The
oxidation
biopolymer
occurs
at
anode
whereas
hydrogen
evolved
cathode.
subsequent
supports
robust
chemical
structure
lignosulfonates.
With
optimized
electrolytic
conditions,
could
be
obtained
9.7
wt%
relative
dry
mass
used.
Aside
from
vanillin,
by-products
acetovanillone
or
vanillic
acid
were
observed
lower
yields.
new
reliable
one-pot,
two-step
different
technically
relevant
lignosulfonates
established
with
advantages
using
electrons
oxidizing
agent,
results
reagent
waste.
