The Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 20, 2025
Aerobic
oxidative
cross-dehydrogenative
couplings
of
1,2,3,4-tetrahydroisoquinolines
were
developed
using
a
Mn(acac)3
and
ethyl
2-(4-nitrophenyl)hydrazine-1-carboxylate
cocatalytic
system.
Nucleophiles,
including
nitroalkanes,
dialkyl
malonates,
acetophenones,
indoles,
phosphonates,
phosphine
oxides,
successfully
employed
to
produce
α-functionalized
1,2,3,4-tetrahydroisoquinolines.
Control
experiments
revealed
that
radical
species
are
not
involved
in
the
mechanism.
Additionally,
1H
NMR
HRMS
analyses
stoichiometric
reaction
identified
an
aminal
structure
as
crucial
intermediate.
Computational
studies
further
support
plausibility
hydride
transfer
process
oxidation
instead
triazane
pathway,
which
was
predominantly
proposed
DEAD-mediated
reaction.
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(11), P. 4446 - 4452
Published: Jan. 1, 2023
A
Cu-doped
carbon
nitride-based
heterogeneous
metallaphotocatalytic
α-alkynylation
of
tertiary
amines
has
been
developed,
allowing
for
green
and
sustainable
synthesis
diverse
valuable
propargylamines
with
high
efficiency.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(2), P. 2825 - 2831
Published: Jan. 4, 2023
Oxidative
formation
of
high
value
compounds
involving
active
oxygen
species
using
heterogeneous
polymeric
photocatalysts
has
become
a
useful
tool
in
catalysis.
Controlling
the
interaction
between
sites
on
polymer
and
molecules
is
still
challenging
due
to
rather
large
backbone
structure.
Here,
we
design
triazine-containing
donor
acceptor-type
conjugated
microporous
(CMP)
containing
dual
major
at
F
N
atoms
for
molecular
activation.
Introducing
fluorine
CMP
led
combined
effect
enhanced
adsorption
electron
transfer
oxygen.
Time-resolved
photoluminescence,
electronic
paramagnetic
resonance
spectra,
DFT
calculation
revealed
favorable
absorption
energy
kinetics
molecules,
thus
efficiently
generating
superoxide
radicals
(O2•-)
singlet
(1O2)
as
main
species.
The
photocatalytic
activity,
selectivity,
reusability
was
demonstrated
by
variety
benzothiazoles.
ACS Materials Au,
Journal Year:
2024,
Volume and Issue:
4(3), P. 258 - 273
Published: Jan. 12, 2024
Electroactive
materials
are
central
to
myriad
applications,
including
energy
storage,
sensing,
and
catalysis.
Compared
traditional
inorganic
electrode
materials,
redox-active
organic
such
as
porous
polymers
(POPs)
covalent
frameworks
(COFs)
emerging
promising
alternatives
due
their
structural
tunability,
flexibility,
sustainability,
compatibility
with
a
range
of
electrolytes.
Herein,
we
discuss
the
challenges
opportunities
available
for
use
in
organoelectrochemistry,
an
area
fine
chemical
synthesis.
In
particular,
highlight
utility
photoredox
catalysis,
electrochemical
electrocatalysis
point
new
directions
needed
unlock
potential
This
Perspective
aims
bring
together
organic,
electrochemistry,
polymer
communities
design
heterogeneous
electrocatalysts
sustainable
synthesis
complex
molecules.
Hybrid Advances,
Journal Year:
2024,
Volume and Issue:
6, P. 100268 - 100268
Published: Aug. 1, 2024
Control
of
redox
processes
at
the
molecular
level
is
central
to
synthesis,
and
electrochemistry
provides
a
unique
means
directing
electron
flow
for
chemical
transformations.
Although
chemistry
community
has
long
recognized
its
power,
potential
electrochemical
methods
in
organic
synthesis
not
been
nearly
as
exploited
academically
or
industrially.
In
this
respect,
review
related
applying
nano-photocatalysts
fine
producing
compounds
presented.
The
existing
laboratory
industrial
are
too
resource-intensive,
mostly
based
on
non-renewable
energy
sources,
often
require
extreme
conditions
regarding
temperature
pressure.
review,
we
emphasize
forward
transformations
realizable
with
help
such
nanomaterials
under
UV/visible
light
exposure.
Nanophotocatalysts
thus
offer
huge
green
high-value-added
organics.
This
outlines
organics
nanophotocatalysts,
graphene
semiconductors,
titanium
oxide,
quantum
dots,
carbon-based
catalysts.
aims
present
current
research
field
provide
an
impetus
helpers
further
build
area
social
impact.
For
first
time,
all-inclusive
approach
helps
bridge
gaps
between
these
different
areas
view
challenges
electro-organic
photocatalysis.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2022,
Volume and Issue:
10(30), P. 9665 - 9678
Published: July 21, 2022
Photocatalysis
has
captured
the
imagination
of
synthetic
chemists
and
is
poised
to
become
a
staple
fine
chemical
industry.
Over
past
decade,
subfield
energy-transfer
(EnT)
catalysis
expanded
dramatically,
harnessing
excited
states
photosensitizer
unlock
variety
redox-neutral,
radical-based
reactivities
in
mild
selective
fashion.
However,
many
developments
this
discipline
rely
on
precious
rare
earth
metals
such
as
iridium.
This
perspective
will
highlight
rise
thermally
activated
delayed
fluorescence
(TADF)
materials
metal-free
alternatives
EnT
photocatalysis
for
organic
transformations.
Emphasis
be
placed
recent
progress
cycloadditions,
E/Z
isomerization
olefins,
other
radical-initiated
processes;
all
mediated
by
mechanism
Dexter
energy
transfer.
The
tunable
excited-state
energetics
dynamics
TADF
allow
them
effectively
compete
with
iridium-based
sensitizers,
indicating
their
promise
green
organocatalysis.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(66), P. 8645 - 8657
Published: Jan. 1, 2024
Recent
advances
in
visible-light-promoted
construction
of
tetrahydroquinolines
from
dimethylanilines
and
maleimides
are
documented.
Homogeneous
heterogeneous
photocatalytic
systems,
as
well
the
reaction
mechanism,
emphasized.
The
mechanism
this
annulation
is
quite
clear,
The Journal of Organic Chemistry,
Journal Year:
2022,
Volume and Issue:
87(21), P. 14433 - 14442
Published: Oct. 18, 2022
A
visible-light-induced
persulfate-promoted
cascade
phosphorylation/cyclization
reaction
to
access
various
phosphorylated
pyrrolo[1,2-a]indolediones
under
mild
conditions
was
developed.
Notably,
the
transformation
carried
out
with
diethyl
carbonate/H2O
as
a
green
medium
at
room
temperature.
More
impressively,
traditional
metal
catalysts
and
photocatalysts
could
be
effectively
avoided.
The
reactions
are
simple
operate,
easy
scale
up,
have
good
functional
group
tolerance.
Green Chemistry,
Journal Year:
2022,
Volume and Issue:
24(22), P. 8725 - 8732
Published: Jan. 1, 2022
A
series
of
hyper-crosslinked
POPs
were
constructed
by
Friedel–Crafts
alkylation
reaction
4CzIPN
with
FDA,
which
contains
a
certain
quantity
hydrophilic
ether
residues
to
facilitate
visible-light-promoted
aqueous
organic
transformations.
