Ligand-Enabled “Two-in-One” Metallaphotocatalytic Cross Couplings
ACS Catalysis,
Год журнала:
2025,
Номер
15(3), С. 1635 - 1654
Опубликована: Янв. 15, 2025
Metallaphotoredox
cross
coupling
(MCC)
is
ranking
among
the
most
advanced
synthetic
methodology
as
it
can
access
chemical
space
that
difficult
to
attain
under
conventional
conditions.
Earlier
developed
MCC
mandates
an
independent
transition
metal
catalyst
and
respective
photocatalyst,
thus
constituting
a
dual
catalytic
manifold.
Complementarily,
paradigm-shifting
metallaphotoredox
strategy
capitalizes
on
single
photoreactive
complex
emerging,
which
brings
not
only
operational
simplification
but
also
unexpected
mechanistic
insights.
This
perspective
compiled
recent
advances
in
monocatalytic
couplings
categorized
them
based
ligands
confer
distinct
photoreactivities
various
mechanisms.
To
this
end,
ligand-enabled
oxidative
addition,
transmetalation,
reductive
elimination
other
radical-involving
pathways
were
summarized
with
notable
examples.
In
way,
we
wish
provide
handy
guideline
for
readers
who
are
interested
emerging
field
inspire
more
future
endeavors
MCCs
beyond.
Язык: Английский
Engineering Single‐Atom Catalysts on Conjugated Porphyrin Polymer Photocatalysts via E‐Waste for Sustainable Photocatalysis
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 28, 2024
Abstract
This
study
presents
a
surface
engineering
strategy
utilizing
electronic
waste
(e‐waste)
to
incorporate
single‐atom
catalysts
on
conjugated
polymers.
Employing
porphyrin
polymeric
photocatalyst,
gold
single‐atom‐site
are
successfully
introduced
using
the
acidic
metal
leachates
from
e‐waste,
where
speciation
and
composition
regulated
during
loading
processes.
The
resulting
photocatalyst
with
single
atoms
demonstrates
remarkable
hydrogen
peroxide
(H
2
O
)
selectivity
of
up
97.56%,
yielding
pure
H
solution
at
73.3
µ
m
h
−1
under
white
LED
illumination.
produced
is
activated
•OH
radicals
same
polymer
mixed
iron
atoms,
enabling
photo‐Fenton
reaction
complete
degradation
toxic
microcystin‐LR
within
10
min
visible
light.
highlights
universal
applicability
mining
in
various
photoreactions.
It
believed
that
this
discovery
pioneers
sustainable
photocatalysis,
allowing
tuning
reactivity
photocatalytic
surfaces
waste.
Язык: Английский
Graphitic Carbon Nitride as a Photocatalyst for Decarboxylative C(sp2)–C(sp3) Couplings via Nickel Catalysis
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 29, 2024
The
development
of
robust
and
reliable
methods
for
the
construction
C(sp
Язык: Английский
Mechanoredox‐Catalyzed Organic Synthesis with Piezoelectric Materials: Quo Vadis?
ChemCatChem,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 24, 2025
Abstract
Piezoelectric
materials
offer
great
promise
due
to
their
ability
generate
electric
fields
under
mechanical
stress,
producing
surface
charges
that
drive
otherwise
kinetically
sluggish
redox
reactions.
The
strained
surfaces
of
these
provide
a
unique
advantage
in
controlling
product
selectivity
and
enabling
reaction
pathways
are
unattainable
with
conventional
methods.
This
perspective
highlights
advancements,
challenges,
the
future
potential
piezoelectric
synthetic
organic
chemistry,
focus
on
designing
optimized
for
piezocatalyzed
synthesis.
Piezocatalysis
is
industrially
relevant
because
its
operational
simplicity,
mild,
gram
scale
synthesis
reusable
catalysts,
minimal
solvent
use,
air
tolerant
conditions.
It
involves
cycles
facilitate
one
electron
events
without
requiring
light
exposure
or
electrical
bias.
Despite
significant
progress,
many
fundamental
aspects
yet
be
fully
understood.
One
example
correlation
between
piezoelectricity
catalytic
activity,
which
not
always
linear,
as
demonstrated
by
comparison
tetragonal
cubic
BaTiO₃.
While
BaTiO₃
piezoelectric,
it
shows
excellent
activity
certain
reactions
such
arylation,
dicarbonylation,
cyclization
mechanochemical
conditions
comparable
Considering
all
aspects,
this
aims
stimulate
discussion
advance
promising
field
right
direction.
Язык: Английский
Photocatalytic C−C bond formation and cleavage reactions based on graphitic carbon nitride semiconductor materials
Tetrahedron,
Год журнала:
2025,
Номер
unknown, С. 134651 - 134651
Опубликована: Апрель 1, 2025
Язык: Английский
Simple defect engineering of carbon nitride using mixed precursors for enhanced photocatalysis
Chemical Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Grafting
phenyl
groups
leads
to
significant
enhancements
in
the
morphological
and
photophysical
properties
of
carbon
nitride
photocatalyst.
Язык: Английский
Graphitic carbon nitride as a photocatalyst for decarboxylative C(sp2)-C(sp3) couplings via nickel catalysis
Опубликована: Март 26, 2024
The
development
of
robust
and
reliable
methods
for
the
construction
C(sp2)–C(sp3)
bonds
is
vital
accessing
an
increased
array
structurally
diverse
scaffolds
in
drug
discovery
campaigns.
While
significant
advances
towards
this
goal
have
been
achieved
using
metallaphotoredox
chemistry,
many
these
utilise
photocatalysts
based
on
precious-metals
due
to
their
efficient
redox
processes
tuneable
properties.
However,
cost,
scarcity,
toxicity
metals,
search
suitable
replacements
should
be
a
priority.
Here,
we
show
use
commercially
available
heterogeneous
semiconductor
graphitic
carbon
nitride
(g-C3N4)
as
photocatalyst,
combined
with
nickel
catalysis,
cross-coupling
between
aryl
halide
carboxylic
acid
coupling
partners.
g-C3N4
has
shown
engage
single-electron-transfer
(SET)
energy-transfer
(ET)
formation
C–X
bonds,
manuscript
overcome
previous
limitations
furnish
C–C
over
C–O
acids.
A
broad
scope
both
halides
acids
presented,
recycling
photocatalyst
demonstrated.
mechanism
reaction
also
investigated.
Язык: Английский
Boosted photoredox capability of visible light-active P-doped C3N4 with efficient harvesting of electron–hole pairs
Sustainable Energy & Fuels,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Band
gap
tunable
and
dual
functional
P-doped
C
3
N
4
for
simultaneous
production
of
H
2
benzaldehyde.
Язык: Английский
Graphitic Carbon Nitride as a Photocatalyst for Decarboxylative C(sp2)–C(sp3) Couplings via Nickel Catalysis
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 29, 2024
Abstract
The
development
of
robust
and
reliable
methods
for
the
construction
C(sp
2
)−C(sp
3
)
bonds
is
vital
accessing
an
increased
array
structurally
diverse
scaffolds
in
drug
discovery
campaigns.
While
significant
advances
towards
this
goal
have
been
achieved
using
metallaphotoredox
chemistry,
many
these
utilise
photocatalysts
based
on
precious‐metals
due
to
their
efficient
redox
processes
tuneable
properties.
However,
cost,
scarcity,
toxicity
metals,
search
suitable
replacements
should
be
a
priority.
Here,
we
show
use
commercially
available
heterogeneous
semiconductor
graphitic
carbon
nitride
(gCN)
as
photocatalyst,
combined
with
nickel
catalysis,
cross‐coupling
between
aryl
halide
carboxylic
acid
coupling
partners.
gCN
has
shown
engage
single‐electron‐transfer
(SET)
energy‐transfer
(EnT)
formation
C−X
bonds,
manuscript
overcome
previous
limitations
furnish
C−C
over
C−O
acids.
A
broad
scope
both
halides
acids
presented,
recycling
photocatalyst
demonstrated.
mechanism
reaction
also
investigated.
Язык: Английский