Angewandte Chemie,
Год журнала:
2022,
Номер
134(49)
Опубликована: Окт. 13, 2022
Abstract
Photo‐catalysis
by
small‐molecules
is
often
limited
catalyst
degradation
and
low
electron‐transfer
efficiency.
Herein
we
report
a
stable
N‐phenyl‐phenothiazine
(PTH)‐derived
porous
coordination
cage
(PCC)
as
highly
efficient
photocatalyst.
By
the
incorporation
of
photocatalytic
PTH
moiety
into
PCC,
aggregation‐induced
quenching
(AIQ)
was
shown
to
be
reduced.
An
improvement
in
stability
discovered,
ascribed
synergistic
effects
moieties.
The
catalyst,
operating
through
photolytic
single‐electron
transfer,
utilized
for
photo‐catalyzed
dehalogenation
borylation.
Evaluation
catalytic
mechanism
borylation
reaction
showed
that
improved
performance
results
from
more
formation
electron
donor‐acceptor
(EDA)
complex
with
cage.
This
discovery
provides
potential
strategy
improve
photophysical
properties
stabilities
small‐molecule
organic
photocatalysts
via
supramolecular
chemistry.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(36)
Опубликована: Июль 19, 2023
Metal-organic
frameworks
(MOFs)
with
expanding
porosity
and
tailored
pore
environments
are
intriguing
for
catalytic
applications.
We
report
herein
a
straightforward
method
of
controlled
partial
linker
thermolysis
to
introduce
desirable
mesopores
into
mono-ligand
MOFs,
which
is
different
from
the
classical
thermolyzing
that
starts
mixed-linker
MOFs.
UiO-66-NH2
,
after
ligand
thermolysis,
exhibits
significant
mesoporosity,
retained
crystal
structure,
improved
charge
photogeneration
abundant
anchoring
sites,
ideal
explore
single-site
photocatalysis.
Atomically
dispersed
Cu
then
accommodated
in
pore.
The
resulting
catalyst
excellent
performance
photocatalytic
alkylation
oxidation
coupling
functionalization
terminal
alkynes.
study
highlights
advantage
synthesize
hierarchical
MOFs
achieve
advanced
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(49)
Опубликована: Окт. 13, 2022
Photo-catalysis
by
small-molecules
is
often
limited
catalyst
degradation
and
low
electron-transfer
efficiency.
Herein
we
report
a
stable
N-phenyl-phenothiazine
(PTH)-derived
porous
coordination
cage
(PCC)
as
highly
efficient
photocatalyst.
By
the
incorporation
of
photocatalytic
PTH
moiety
into
PCC,
aggregation-induced
quenching
(AIQ)
was
shown
to
be
reduced.
An
improvement
in
stability
discovered,
ascribed
synergistic
effects
moieties.
The
catalyst,
operating
through
photolytic
single-electron
transfer,
utilized
for
photo-catalyzed
dehalogenation
borylation.
Evaluation
catalytic
mechanism
borylation
reaction
showed
that
improved
performance
results
from
more
formation
electron
donor-acceptor
(EDA)
complex
with
cage.
This
discovery
provides
potential
strategy
improve
photophysical
properties
stabilities
small-molecule
organic
photocatalysts
via
supramolecular
chemistry.
The Journal of Organic Chemistry,
Год журнала:
2023,
Номер
88(13), С. 9424 - 9431
Опубликована: Июнь 12, 2023
Zinc(II)porphyrin
catalyzed
light
induced
C–H
arylation
of
heteroarenes
from
anilines
is
discussed.
The
method
nontoxic
and
efficient,
using
only
0.5
mol
%
porphyrin
catalyst
to
produce
bi(hetero)aryls
in
good
yields.
This
work
demonstrates
the
potential
use
photocatalysts
as
efficient
robust
alternatives
organic
dyes.
Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(7)
Опубликована: Май 17, 2024
In
recent
decades,
people
have
witnessed
a
rapid
development
of
society,
accompanied
by
the
increase
sharply
numerous
organic/inorganic
contaminants
from
industrial
effluents.
The
high
toxicity
pollutants
has
led
to
long‐term
risk
human
health.
To
connect
with
environment‐friendly
green
chemistry
and
sustainable
development,
photocatalysis
technology
emerged.
Metal–organic
framework
(MOF)‐based
photocatalysts
performed
efficiency
for
elimination
wastewater
pollutants.
Nevertheless,
large
band
gap
energy
recombination
rate
photogenerated
electron–hole
pair
decrease
catalytic
efficiency.
Sonochemistry
is
regarded
as
safe,
highly
efficient,
clean,
eco‐friendly
technology,
which
aroused
lot
interest
in
treatment
wastewater.
cavitation
effect
induced
ultrasonic
waves
promotes
generation
additional
active
radicals.
oscillation
facilitates
cleaning
surface
catalysts,
dispersing
catalyst
particles,
increasing
proton
transport.
Therefore,
coupling
waves,
known
sonophotocatalysis
(SPC),
promising
means
enhancing
overall
performance
treatments.
This
review
discusses
advancements
hybrid
MOF‐based
driving
treatments
SPC
system.
MOF
discussed
process.
inner
properties
phases
such
location
redox
potential
transfer
direction
electrons
after
hybridization
are
elucidated.
Additionally,
existing
challenges
obstacles
system
proposes
feasible
improvements
meet
future
requirements
practical
applications.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(44)
Опубликована: Май 24, 2024
A
magnetically
isolable
iron
oxide
nanoparticles
is
introduced
as
an
efficient
heterogeneous
photocatalyst
for
non-directed
C-H
arylation
employing
aryl
diazonium
salts
the
precursors.
This
first-row
transition
metal-based
revealed
versatile
activities
and
applicable
to
a
wide
range
of
substrates,
demonstrating
brilliant
efficacy
superior
recyclability.
Detailed
catalytic
characterization
describes
physical
properties
redox
behavior
Fe-catalyst.
Adequate
control
experiments
helped
establish
radical-based
mechanism
arylation.
Inorganic Chemistry,
Год журнала:
2022,
Номер
61(43), С. 17007 - 17011
Опубликована: Окт. 20, 2022
Boolean
operations
with
multiple
catalysts
as
output
are
yet
unknown
using
molecular
logic.
The
issue
is
solved
a
two-component
ensemble,
composed
of
receptor
and
rotaxane,
which
acts
three-input
AND
gate
dual
catalytic
output.
Actuation
the
ensemble
by
stoichiometric
addition
metal
ions
(Ag+
Cd2+)
2,2,2-trifluoroacetic
acid
generated
in
(1,1,1)
truth
table
state
catalyst
duo
that
synergistically
enabled
three-step
reaction,
furnishing
dihydroisoquinoline
logic
operation.
Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(7)
Опубликована: Май 15, 2024
A
novel
acylhydrazide‐based
gelator
(BE)
was
successfully
built
without
the
use
of
traditional
fluorescent
groups.
Surprisingly,
in
1,2‐propanediol,
BE
can
further
self‐assemble
into
a
stable
supramolecular
gel
(OBE)
and
display
significant
blue‐white
aggregation‐induced
enhanced
emission
(AIEE).
Interestingly,
based
on
excellent
coordination
capacity
acyl
hydrazone
bonds,
OBE
demonstrated
sensitive
response
to
Pd
2+
Fe
3+
,
with
corresponding
lowest
limits
detection
21.8
37.3
ppb,
respectively.
More
interesting,
H
2
PO
4
−
could
only
be
constantly
recognized
by
Pd‐OBE
(Pd
coordinated
OBE).
Fourier
transform
infrared
(FT‐IR),
scanning
electron
microscopy
(SEM),
X‐ray
diffraction
(XRD),
density
functional
theory
(DFT)
rheological
measurements,
self‐assembly
process
OBE,
ion
recognition
sensing
mechanism
were
extensively
examined.
Moreover,
xerogel
as
supporter,
heterogeneous
catalyst
Pd/OBE
is
prepared.
The
displays
outstanding
activity
stability
for
Suzuki
coupling
reactions
water.
It
easily
reused
at
least
five
runs
no
decrease
catalytic
activity.
Biomedical Journal of Scientific & Technical Research,
Год журнала:
2022,
Номер
45(4)
Опубликована: Авг. 12, 2022
To
date,
temperature-controlled
phase-transfer
catalyst,
supported
and
hydrogen
bond
catalyst
are
regarded
as
alternatives
to
traditional
such
onium
salt
crown
ether
polyether
have
drawn
significant
attention
from
related
scientists
owing
their
excellent
properties,
including
nontoxicity,
well-cycling
performance,
low
cost,
facile
synthesis.Especially,
can
not
only
overcome
the
poor
solubility
of
heterogeneous
systems
came
out
but
also
be
reused
many
times
been
successfully
applied
in
numerous
technological
fields.The
influx
different
novel
recyclable
catalysts
is
essential
catalyst's
large
consumption,
environmental
pollution,
difficulty
recycling,
high
toxicity.Herein,
this
mini-review
sum
up
recent
advances
organic
synthesis
promising
applications.
