ACS Applied Materials & Interfaces,
Год журнала:
2022,
Номер
14(6), С. 7980 - 7989
Опубликована: Фев. 4, 2022
Anthraquinone
(AQ)
as
an
effective
hydrogen
atom
transfer
catalyst
was
limited
in
photocatalysis
application
due
to
the
dimerization
of
reduced
AQ.
Sr-NDI@AQ,
encapsulating
AQ
into
channel
Sr-NDI,
paved
a
new
way
for
solving
problem
and
improving
catalytic
efficiency
owing
fast
electron
from
ligand
through
host-guest
interaction.
The
structure
Sr-NDI@AQ
determined
by
single-crystal
X-ray
diffraction,
value
distance
torsion
angle
between
calculated.
photochemical
electrochemical
properties
were
characterized
series
experiments.
coupling
reaction
aldehyde
phenyl
vinyl
sulfone
photoacetalization
carried
out,
displaying
compared
Sr-NDI
mechanisms
proposed
radical
capture
paramagnetic
resonance
Organic Letters,
Год журнала:
2023,
Номер
25(45), С. 8067 - 8071
Опубликована: Ноя. 8, 2023
A
visible-light-induced
β-acyl
difunctionalization
of
alkenes
with
acyl
oxime
esters
and
various
nucleophiles
was
developed
to
achieve
molecular
complexity
from
readily
available
raw
materials
via
oxidative
radical-polar
crossover.
variety
nucleophiles,
including
NH-sulfoximines,
indoles,
indazole,
trimethoxybenzene,
were
all
effectively
applicable
the
sustainable
reaction
system.
The
novel
synthetic
strategy
features
mild
conditions,
a
broad
substrate
scope
(39
examples),
easy
scale-up,
excellent
regioselectivity.
Chemical Communications,
Год журнала:
2024,
Номер
60(36), С. 4834 - 4837
Опубликована: Янв. 1, 2024
A
convenient
method
for
oxidant-promoted
radical
cascade
acylation
or
decarbonylative
alkylation
of
1,7-dienes
with
aldehydes
the
construction
tetracyclic
N-containing
skeletons
has
been
established.
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(11), С. 7531 - 7540
Опубликована: Май 18, 2024
An
organocatalyzed
photoelectrochemical
method
for
the
generation
of
acyl
and
phosphoryl
radicals
from
formamides,
aldehydes,
phosphine
oxides
has
been
developed.
This
protocol
utilizes
9,10-phenanthrenequinone
(PQ)
as
both
a
molecular
catalyst
hydrogen
atom-transfer
(HAT)
reagent,
eliminating
requirement
external
metal-based
reagents,
HAT
oxidants.
The
generated
can
be
applied
to
range
radical-mediated
transformation
reactions,
including
C–H
carbamoylation
heteroarenes,
intermolecular
tandem
radical
cyclization
CF3-substituted
N-arylacrylamides,
well
intramolecular
reactions.
use
in
these
transformations
offers
an
efficient
sustainable
approach
accessing
structurally
diverse
carbonyl
compounds.
The Journal of Organic Chemistry,
Год журнала:
2021,
Номер
86(21), С. 15263 - 15275
Опубликована: Окт. 13, 2021
The
multiple
C–H
bonds
of
biaryl
ynones
render
the
6-exo-trig
regioselective
activation
dearomatization
to
spiro[5.5]trienones
challenging
since
competing
reactions
on
Ar1
or
ortho-C–H
Ar3
may
result
in
5-exo-trig
cyclization
indenones
ortho-dearomatization,
respectively.
We
here
report
an
unprecendented
with
aldehydes
via
double
functionalization
where
a
regiospecific
remote
unactivated
para-C–H
efficiently
furnishes
acylated
spiro[5.5]trienones.
This
cascade
features
green
catalyst
and
solvent
high
atom-
step-economy.
ACS Applied Materials & Interfaces,
Год журнала:
2022,
Номер
14(6), С. 7980 - 7989
Опубликована: Фев. 4, 2022
Anthraquinone
(AQ)
as
an
effective
hydrogen
atom
transfer
catalyst
was
limited
in
photocatalysis
application
due
to
the
dimerization
of
reduced
AQ.
Sr-NDI@AQ,
encapsulating
AQ
into
channel
Sr-NDI,
paved
a
new
way
for
solving
problem
and
improving
catalytic
efficiency
owing
fast
electron
from
ligand
through
host-guest
interaction.
The
structure
Sr-NDI@AQ
determined
by
single-crystal
X-ray
diffraction,
value
distance
torsion
angle
between
calculated.
photochemical
electrochemical
properties
were
characterized
series
experiments.
coupling
reaction
aldehyde
phenyl
vinyl
sulfone
photoacetalization
carried
out,
displaying
compared
Sr-NDI
mechanisms
proposed
radical
capture
paramagnetic
resonance
