Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(9), P. 2502 - 2511
Published: Jan. 1, 2024
We
report
that
the
direct
oxidative
cross-coupling
of
carbonyl
compounds
with
simple
alkenes
is
realized
to
synthesize
α-allylated
by
identifying
bisphosphine
ligand
BINAP
enables
copper
catalyst
integrate
two
different
catalytic
cycles
in
a
one-pot
system.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(18), P. 6661 - 6678
Published: Jan. 1, 2024
Ligand-to-metal
charge
transfer
(LMCT)
excited
states
showcase
promise
in
enabling
photochemical
reactions.
This
article
details
design
principles
to
enable
low
energy
LMCT
and
notable
examples
that
drive
reactions
from
these
states.
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(8), P. 2746 - 2766
Published: Aug. 8, 2024
Photocatalysis
is
a
versatile
and
rapidly
developing
field
with
applications
spanning
artificial
photosynthesis,
photo-biocatalysis,
photoredox
catalysis
in
solution
or
supramolecular
structures,
utilization
of
abundant
metals
organocatalysts,
sustainable
synthesis,
plastic
degradation.
In
this
Perspective,
we
summarize
conclusions
from
an
interdisciplinary
workshop
young
principal
investigators
held
at
the
Lorentz
Center
Leiden
March
2023.
We
explore
how
diverse
fields
within
photocatalysis
can
benefit
one
another.
delve
into
intricate
interplay
between
these
subdisciplines,
by
highlighting
unique
challenges
opportunities
presented
each
multidisciplinary
approach
drive
innovation
lead
to
solutions
for
future.
Advanced
collaboration
knowledge
exchange
across
domains
further
enhance
potential
photocatalysis.
Artificial
photosynthesis
has
become
promising
technology
solar
fuel
generation,
instance,
via
water
splitting
CO
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(32), P. 17527 - 17550
Published: Aug. 2, 2023
The
C–O
bond
is
ubiquitous
in
biologically
active
molecules,
pharmaceutical
agents,
and
functional
materials,
thereby
making
it
an
important
group.
Consequently,
the
development
of
bond-forming
reactions
using
catalytic
strategies
has
become
increasingly
research
topic
organic
synthesis
because
more
conventional
methods
involving
strong
base
acid
have
many
limitations.
In
contrast
to
ionic-pathway-based
methods,
copper-promoted
radical-mediated
formation
experiencing
a
surge
interest
owing
renaissance
free-radical
chemistry
photoredox
catalysis.
This
Perspective
highlights
appraises
state-of-the-art
techniques
this
burgeoning
field.
contents
are
organized
according
different
reaction
types
working
models.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(16), P. 11974 - 11989
Published: July 26, 2024
Photoactive
copper
complexes
have
gained
significant
attention
due
to
their
photocatalytic
activities.
Different
homogeneous
Cu(I)
complexes,
Cu(II)
and
heterogeneous
copper-based
photocatalysts
been
investigated
utilized
in
a
broad
spectrum
of
organic
transformations.
These
applications
span
radical
additions,
C–C
bond
C–heteroatom
cross-couplings,
aerobic
oxidative
reactions,
kinetic
resolutions.
This
review
summarizes
the
advancements
this
dynamic
field
visible-light-induced,
excited-state
copper-catalyzed
reactions
over
recent
years.
It
is
organized
according
type
excited
species
involved
provides
perspective
on
current
future
developments.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(33), P. 23555 - 23565
Published: Aug. 8, 2024
Copper-catalyzed
coupling
reactions
of
alkyl
halides
are
believed
to
prominently
involve
copper(II)
species
and
radicals
as
pivotal
intermediates,
with
their
exact
interaction
mechanism
being
the
subject
considerable
debate.
In
this
study,
a
visible
light-responsive
fluoroalkylcopper(III)
complex,
[(terpy)Cu(CF3)2(CH2CO2tBu)]
Trans-1,
was
designed
explore
mechanism.
Upon
exposure
blue
LED
irradiation,
Trans-1
undergoes
copper–carbon
bond
homolysis,
generating
Cu(II)
carbon-centered
radicals,
where
radical
then
recombines
intermediate,
resulting
in
formation
Cis-1,
Cis
isomer
Trans-1.
Beyond
this,
well-defined
fluoroalkylcopper(II)
intermediate
ligated
sterically
hindered
ligand
isolated
underwent
full
characterization
electronic
structure
studies.
The
collective
experimental,
computational,
spectroscopic
findings
work
strongly
suggest
that
organocopper(II)
engages
via
an
"oxidative
substitution"
mechanism,
which
is
likely
operational
pathway
for
copper-catalyzed
C–H
trifluoromethylation
reactions.
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(12), P. 4899 - 4909
Published: Nov. 21, 2024
Nitroaromatics,
as
an
important
member
and
source
of
nitrogen-containing
aromatics,
is
bringing
enormous
economic
benefits
in
fields
pharmaceuticals,
dyes,
pesticides,
functional
materials,
fertilizers,
explosives.
Nonetheless,
the
notoriously
polluting
nitration
industry,
which
suffers
from
excessive
discharge
fumes
waste
acids,
poor
group
tolerance,
tremendous
purification
difficulty,
renders
mild,
efficient,
environmentally
friendly
a
formidable
challenge.
Herein,
we
develop
visible-light-driven
biocompatible
arene
C–H
strategy
with
good
efficiency
regioselectivity,
marvelous
substrate
applicability
wide
application
scale-up
synthesis,
total
late-stage
functionalization.
A
nitryl
radical
delivered
through
unusual
β-homolysis
photoexcited
ferric-nitrate
complex
proposed
to
be
key
nitrification
reagent
this
system.