Molecules,
Journal Year:
2024,
Volume and Issue:
29(3), P. 569 - 569
Published: Jan. 23, 2024
Radical
reactions
in
water
or
aqueous
media
are
important
for
organic
synthesis,
realizing
high-yielding
processes
under
non-toxic
and
environmentally
friendly
conditions.
This
overview
includes
(i)
a
general
introduction
to
chemistry
media,
(ii)
synthetic
approaches
in,
on,
with
as
well
heterogeneous
phases,
(iii)
of
carbon-centered
radicals
(or
deuterium
oxide)
activated
through
coordination
various
Lewis
acids,
(iv)
photocatalysis
(v)
applications
bioinspired
by
naturally
occurring
processes.
A
wide
range
chemical
strategies
different
experimental
conditions
have
been
reviewed
that
lead
functional
group
translocation
transformation
reactions,
leading
the
preparation
complex
molecules.
These
results
reveal
how
solvent/medium/reagent
radical
has
matured
over
last
two
decades,
further
discoveries
anticipated
near
future.
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
30(29)
Published: March 19, 2024
Free
radicals
are
increasingly
recognized
as
active
intermediate
reactive
species
that
can
participate
in
various
redox
processes,
significantly
influencing
the
mechanistic
pathways
of
reactions.
Numerous
researchers
have
investigated
generation
one
or
more
distinct
photogenerated
radicals,
proposing
hypotheses
to
explain
reaction
mechanisms.
Notably,
recent
research
has
demonstrated
emergence
innovative
including
organic
chemical
reactions
and
photocatalytic
dissolution
precious
metals.
To
harness
potential
these
free
effectively,
it
is
imperative
consolidate
analyze
processes
action
modes
radicals.
This
conceptual
paper
delves
into
latest
advancements
understanding
mechanics
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: March 20, 2024
Olefin
hydrogenation
is
one
of
the
most
important
transformations
in
organic
synthesis.
Electrochemical
transition
metal-catalyzed
an
attractive
approach
to
replace
dangerous
hydrogen
gas
with
electrons
and
protons.
However,
this
reaction
poses
major
challenges
due
rapid
evolution
(HER)
metal-hydride
species
that
outcompetes
alkene
step,
facile
deposition
metal
catalyst
at
electrode
stalls
reaction.
Here
we
report
economical
efficient
strategy
achieve
high
selectivity
for
reactivity
over
well-established
HER.
Using
inexpensive
bench-stable
nickel
salt
as
catalyst,
mild
features
outstanding
substrate
generality
functional
group
compatibility,
distinct
chemoselectivity.
In
addition,
hydrodebromination
alkyl
aryl
bromides
could
be
realized
using
same
system
a
different
ligand,
chemoselectivity
between
achieved
through
ligand
selection.
The
practicability
our
method
has
been
demonstrated
by
success
large-scale
synthesis
catalytic
amount
electrolyte
minimal
solvent.
Cyclic
voltammetry
kinetic
studies
were
performed,
which
support
Ni
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(15), P. 5979 - 5990
Published: April 1, 2024
The
electrochemical
nitrate
reduction
reaction
(NO3RR)
emerges
as
a
promising
method
for
ammonia
(NH3)
production,
which
faces
the
dilemma
of
inhibiting
hydrogen
evolution
(HER)
and
promoting
active
(Hads)
supply
hydrogenation
nitrogen
intermediates.
Here,
core–shell
structure
engineering
strategy
is
developed
Cu2–xS/MoS2,
where
strong
Hads
adsorption
storage
capacity
can
accelerate
As
result,
an
eminent
NH3
yield
0.178
mmol
h–1
cm–2
Faradaic
efficiency
84.5%
were
achieved.
A
series
tests
demonstrate
that
tuning
Cu2–xS/MoS2
interface
improve
activity
conversion
NO2–,
while
avoiding
HER
effectively
retain
Hads.
density
functional
theory
calculation
further
demonstrates
has
*H
retention
ability
to
promote
NO3RR
process.
This
work
offers
novel
perspective
on
manipulation
generation
NO3RR.
Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(7), P. 2027 - 2032
Published: Jan. 1, 2024
A
redox-neutral
strategy
for
C(sp
3
)–H
phosphorylation
is
developed
via
photoinduced
LMCT,
where
the
reaction
proceeds
through
radical
addition
to
chlorophosphines
form
an
R
P–Cl˙
and
ultimately
concluded
by
single-electron
reduction.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(3), P. 569 - 569
Published: Jan. 23, 2024
Radical
reactions
in
water
or
aqueous
media
are
important
for
organic
synthesis,
realizing
high-yielding
processes
under
non-toxic
and
environmentally
friendly
conditions.
This
overview
includes
(i)
a
general
introduction
to
chemistry
media,
(ii)
synthetic
approaches
in,
on,
with
as
well
heterogeneous
phases,
(iii)
of
carbon-centered
radicals
(or
deuterium
oxide)
activated
through
coordination
various
Lewis
acids,
(iv)
photocatalysis
(v)
applications
bioinspired
by
naturally
occurring
processes.
A
wide
range
chemical
strategies
different
experimental
conditions
have
been
reviewed
that
lead
functional
group
translocation
transformation
reactions,
leading
the
preparation
complex
molecules.
These
results
reveal
how
solvent/medium/reagent
radical
has
matured
over
last
two
decades,
further
discoveries
anticipated
near
future.
