Inorganic Chemistry,
Journal Year:
2022,
Volume and Issue:
61(47), P. 19010 - 19021
Published: Nov. 14, 2022
The
development
of
an
economical
transition
metal-based
catalyst
for
photocatalytic
carbon-carbon
coupling
reactions
is
aspiring.
Herein,
a
Cu-Ce
metal-organic
framework
(MOF)
was
synthesized
and
carbonized
to
produce
bimetallic
Cu2O-CeO2/C,
which
utilized
in
the
Sonogashira
cross-coupling
reaction.
defects
oxygen
vacancies
were
characterized
by
X-ray
photoelectron
spectroscopy
Raman
spectroscopy,
while
nature
Cu
H2-TPR
analysis.
defect-induced
MOF-derived
heterojunction
created
more
(OV)
CeO2,
revealing
high
activity.
(Cu2O-CeO2/C)
formed
Cu(I)-phenylacetylide
active
complex
exhibited
higher
catalytic
activity
visible
light-induced
25%Cu2O-CeO2/C
offered
93.8%
phenylacetylene
conversion
with
94.2%
product
selectivity
using
household
light-emitting
diodes.
No
discernible
loss
observed
from
recycling
catalyst.
Based
on
activity,
control
reactions,
physicochemical
optoelectronic
characterization,
structure-activity
relationship
established
reaction
mechanism
proposed.
Replacement
costly
Pd
cheap
Cu2O-CeO2-based
synthesis
commercially
important
compounds
sustainable
process
will
be
highly
attractive
chemists
industrialists.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(8), P. 4237 - 4352
Published: Jan. 24, 2023
The
emergence
of
modern
photocatalysis,
characterized
by
mildness
and
selectivity,
has
significantly
spurred
innovative
late-stage
C–H
functionalization
approaches
that
make
use
low
energy
photons
as
a
controllable
source.
Compared
to
traditional
strategies,
photocatalysis
paves
the
way
toward
complementary
and/or
previously
unattainable
regio-
chemoselectivities.
Merging
compelling
benefits
with
workflow
offers
potentially
unmatched
arsenal
tackle
drug
development
campaigns
beyond.
This
Review
highlights
photocatalytic
strategies
small-molecule
drugs,
agrochemicals,
natural
products,
classified
according
targeted
bond
newly
formed
one.
Emphasis
is
devoted
identifying,
describing,
comparing
main
mechanistic
scenarios.
draws
critical
comparison
between
established
ionic
chemistry
photocatalyzed
radical-based
manifolds.
aims
establish
current
state-of-the-art
illustrate
key
unsolved
challenges
be
addressed
in
future.
authors
aim
introduce
general
readership
functionalization,
specialist
practitioners
evaluation
methodologies,
potential
for
improvement,
future
uncharted
directions.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
121(10), P. 5741 - 5829
Published: April 9, 2021
Aryl
diazonium
salts
are
versatile
building
blocks
in
organic
synthesis.
In
light
of
the
ever-increasing
importance
aryl
spanning
most
disciplines
chemical
sciences,
we
review
recent
development
chemistry
over
past
seven
years
(2013-2020).
Special
emphasis
is
put
on
various
new
transformations
involving
generation
radical
intermediates
via
thermal,
photochemical,
and
electrochemical
means.
Recent
advances
transition
metal-catalyzed
reactions
using
also
reviewed.
Together,
these
newly
developed
significantly
expand
synthetic
chemist's
repertoire
aromatic
carbon-carbon
carbon-heteroatom
bond
forming
methods
precursors,
providing
powerful
tools
for
synthesis
modification
complex
molecular
scaffolds.
Israel Journal of Chemistry,
Journal Year:
2020,
Volume and Issue:
60(3-4), P. 281 - 293
Published: Feb. 18, 2020
Abstract
Radical/Polar
Crossover
(RPC)
chemistry
is
a
rapidly
growing
subset
of
photoredox
catalysis
that
characterized
by
transformations
featuring
both
radical
and
ionic
modes
reactivity.
Net‐neutral
RPC
particularly
interesting
in
the
single‐electron
oxidation
reduction
steps
occur
through
interaction
with
photocatalyst,
thus
precluding
need
for
exogenous
oxidants
or
reductants.
As
such,
these
facilitate
rapid
incorporation
molecular
complexity
while
maintaining
mild
reaction
conditions.
This
review
covers
recent
advances
photoredox‐mediated
net‐neutral
synthetic
methods,
particular
emphasis
on
C–C
bond‐forming
reactions.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(8), P. 4803 - 4810
Published: Jan. 1, 2024
Z-scheme
CuInS
2
/K-C
3
N
4
heterojunction
has
been
designed
and
confirmed
as
efficient
heterogeneous
photocatalyst
for
arylation
of
heteroarenes
with
aryl
diazonium
salts
in
water
under
visible
light
irradiation
to
give
arylated
high
yields.
Chemistry - A European Journal,
Journal Year:
2020,
Volume and Issue:
26(71), P. 16952 - 16974
Published: May 19, 2020
Abstract
Photochemical
transformations
of
molecular
building
blocks
have
become
an
important
and
widely
recognized
research
field
in
the
past
decade.
Detailed
deep
understanding
novel
photochemical
catalysts
reaction
concepts
with
visible
light
as
energy
source
has
enabled
a
broad
application
portfolio
for
synthetic
organic
chemistry.
In
parallel,
continuous‐flow
chemistry
microreaction
technology
basis
thinking
doing
fashion
clear
focus
on
improved
process
control
higher
conversion
selectivity.
As
can
be
seen
by
large
number
scientific
publications
flow
photochemistry
recent
past,
both
topics
found
each
other
exceptionally
well‐suited
counterparts
high
synergy
combining
technology.
This
review
will
give
overview
selected
classes,
which
represent
chemistry,
benefit
from
mild
defined
conditions
transfer
batch
to
mode.
Chemical Science,
Journal Year:
2020,
Volume and Issue:
11(47), P. 12822 - 12828
Published: Jan. 1, 2020
Aminoalkyl
radicals
can
be
used
as
both
initiators
and
chain-carriers
for
the
conversion
of
aryl
halides
into
corresponding
radicals.
This
approach
by-passes
requirement
strongly
reducing
photocatalysts.
ACS Catalysis,
Journal Year:
2020,
Volume and Issue:
10(21), P. 12738 - 12759
Published: Oct. 19, 2020
The
activation
of
σ-bonds
by
transition
metals
underpins
a
wide
range
methods
for
the
synthesis
complex
molecules.
Within
this
context,
C–N
bond
has
emerged
recently
as
powerful
strategy
preparation
or
utilization
nitrogen-containing
compounds,
due
to
prevalence
bonds
in
organic
compounds.
A
key
challenge
area
is
that
most
are
relatively
inert,
and
makes
their
difficult
task.
Since
turn
millennium
number
published
articles
regarding
grown
exponentially,
providing
important
improvements
methodologies
such
transformations.
Indeed,
several
distinct
strategies
have
been
developed
achieve
activation.
common
exploited
either
strain
release
quaternization
nitrogen
center,
while
other
state-of-the-art
strategies,
oxidative
addition
neutral
use
directing
groups,
also
appeared.
Despite
considerable
progress,
deeper
insight
into
mechanisms
atom
economy
still
required
field
advance.
In
Perspective
we
give
an
overview
advances
catalytic
where
achieved
metals.
Organic & Biomolecular Chemistry,
Journal Year:
2020,
Volume and Issue:
19(2), P. 313 - 321
Published: Nov. 19, 2020
1,3-Dicyano-2,4,5,6-tetrakis(diphenylamino)-benzene
has
emerged
as
a
powerful
and
attractive
metal-free
organophotocatalyst
for
organic
transformation
is
expected
to
contribute
great
extent
toward
the
advancement
development
of
synthetic
methodologies.
