The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(6), P. 4145 - 4155
Published: Feb. 28, 2024
The
environmental
benefits
of
molecular
oxygen
as
the
oxidizing
agent
in
oxidation
reactions
that
synthesize
fine
chemicals
cannot
be
overstated.
Increased
interest
developing
robust
photocatalysts
is
stimulated
by
fact
current
photocatalytic
transformation
boom
has
made
previously
inaccessible
synthetic
approaches
possible.
Motivated
enzymatic
catalysis,
employing
a
reusable
phenalenyl-based
photocatalyst,
we
have
successfully
developed
oxidative
dehydrogenation
utilizing
greener
oxidant.
Under
photoinduced
conditions,
different
types
saturated
N-heterocycles
and
alcohols
were
dehydrogenated.
versatility
this
bioinspired
protocol
demonstrated
wide
variety
N-heteroaromatics,
such
quinoline,
carbazole,
quinoxaline,
acridine,
indole
derivatives,
well
aldehydes
ketones,
synthesized.
Detailed
mechanistic
studies
validate
proposed
mechanism.
Fluorescence
lifetime
CV
experiments
revealed
crucial
role
water
on
efficiency
reaction.
present
also
provides
chemoselectivity
scalability,
leading
to
superior
results
allowing
for
functionalization
bioactive
molecules
at
late
stage
sustainable
manner.
Chemical Communications,
Journal Year:
2022,
Volume and Issue:
59(6), P. 688 - 699
Published: Dec. 21, 2022
This
feature
article
introduces
the
basic
principles
of
femtosecond
transient
absorption
spectroscopy
(fs-TAS)
and
recent
advances
in
application
fs-TAS
to
heterojunction
photocatalysts.
Coordination Chemistry Reviews,
Journal Year:
2024,
Volume and Issue:
514, P. 215900 - 215900
Published: May 8, 2024
Catalysis
stands
as
a
cornerstone
in
chemical
synthesis,
pivotal
advancing
sustainable
manufacturing
pathways.
The
evolution
from
energy-intensive
to
catalytic
processes
has
marked
transformative
shift,
notably
exemplified
by
low-energy
methods.
These
processes,
operating
under
milder
conditions
and
emphasizing
selectivity
recyclability,
represent
the
forefront
of
chemistry.
This
review
navigates
through
an
array
reactions,
highlighting
their
diverse
applications
culminating
exploration
recent
strides
within
processes.
For
example,
explores
uses
such
enzyme
mimicking,
biodiesel
production,
carbon
dioxide
capture,
organic
synthesis.
Additionally,
it
covers
enzymatic
catalysis
photocatalysis
for
transformations,
energy
applications,
water
treatment.
Notably,
emphasizes
capabilities
single-atom
(SAC)
diatomic
catalysts
(DACs),
recognizing
exceptional
performance
catalyzing
reactions
at
minimal
activation
energies
while
maintaining
high
efficiency
mild
conditions.
By
elucidating
modulation
electronic
structure
offering
microelectronic
perspective,
aims
elucidate
mechanisms
underlying
activity
SAC
DACs.
Emphasizing
interplay
between
coordination
chemistry
principles
efficacy,
elucidates
indispensable
role
complexes
fortifying
sustainability
these
spotlighting
fusion
with
catalysis,
this
underscore
collective
influence
shaping
landscape
production.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(33), P. 23338 - 23347
Published: Aug. 6, 2024
A
single-atom
iron
catalyst
was
found
to
exhibit
exceptional
reactivity
in
acceptorless
dehydrogenative
coupling
for
quinoline
synthesis,
outperforming
known
homogeneous
and
nanocatalyst
systems.
Detailed
characterizations,
including
aberration-corrected
HAADF-STEM,
XANES,
EXAFS,
jointly
confirmed
the
presence
of
atomically
dispersed
centers.
Various
functionalized
quinolines
were
efficiently
synthesized
from
different
amino
alcohols
a
range
ketones
or
alcohols.
The
achieved
turnover
number
(TON)
up
10
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(29), P. 5486 - 5491
Published: July 20, 2023
Controllable
oxidation
of
alcohols
to
carbonyls
is
one
the
fundamental
transformations
in
organic
chemistry.
Herein,
we
report
an
unprecedented
visible-light-mediated
metal-free
with
hydrogen
evolution.
By
synergistic
combination
organophotocatalyst
4CzIPN
and
a
thiol
atom
transfer
catalyst,
broad
range
alcohols,
including
primary
secondary
benzylic
as
well
aliphatic
were
readily
oxidized
moderate
excellent
yields.
A
site-selective
has
also
been
achieved
by
this
protocol.
Mechanistic
investigation
indicates
that
proceeds
through
oxidative
radical-polar
crossover
process
obtain
α-oxy
carbon
cation.
