The Journal of Organic Chemistry,
Journal Year:
2018,
Volume and Issue:
83(11), P. 6015 - 6024
Published: May 7, 2018
A
simple
and
efficient
method
for
hydrotrifluoromethylation
of
unactivated
alkenes
was
reported.
The
reaction
relied
on
the
single
electron
oxidation
a
commercially
available
sodium
trifluoromethanesulfinate
(CF3SO2Na,
Langlois'
reagent)
using
Mn(OAc)3·2H2O
as
oxidant
subsequent
addition
trifluoromethyl
radical
to
C═C
double
bonds.
proceeded
readily
under
mild
conditions
with
good
tolerance
variety
functional
groups
in
substrates.
preliminary
mechanism
studied
deuteration,
clock,
TEMPO
inhibition
experiments.
Chemical Communications,
Journal Year:
2018,
Volume and Issue:
54(44), P. 5582 - 5585
Published: Jan. 1, 2018
UV
light-induced
reduction
of
vinyl
and
aryl
halides
with
triethylamine
proceeded
smoothly
to
give
the
corresponding
reduced
products.
High
temperature
heating
also
caused
DABCO
served
as
a
good
reducing
reagent.
The Chemical Record,
Journal Year:
2020,
Volume and Issue:
21(1), P. 69 - 86
Published: Oct. 27, 2020
Abstract
The
incorporation
of
difluoromethylated
(CF
2
)
moiety
into
potentially
useful
parent
molecules
lead
to
significant
changes
in
metabolic
stability,
lipophilicity,
and
solubility
the
molecules.
Over
past
several
years,
with
advent
new
difluoromethylating
reagents,
great
progress
has
been
made
development
a
protocol
for
direct
CF
H
group
organic
Among
them,
difluroalkylation
induced
by
visible
light
emerged
as
an
efficient
strategy
over
few
years.
In
particular,
this
provides
more
sustainable
alternative
other
traditional
radical‐triggered
reactions
terms
environment,
energy,
step‐economy,
health,
safety.
present
review
mainly
focuses
on
photocatalytic
difluoroalkylation
olefinic
using
transition‐metal
complexes,
dyes
photocatalyst;
some
compounds
medium
photocatalysis.
Chemical Science,
Journal Year:
2022,
Volume and Issue:
13(32), P. 9249 - 9255
Published: Jan. 1, 2022
The
internal
cavity
formed
by
a
dimeric
subphthalocyanine
(SubPc)
capsule
(SubPc2Pd3,
2),
ensembled
coordination
of
pyridyl
substituents
in
the
monomeric
SubPc
1
to
Pd
centers,
has
proved
an
optimal
space
for
complexation
C60
fullerene.
Taking
advantage
intense
absorption
green
light
component
at
around
550
nm,
we
have
tested
different
green-light
induced
photoredox
addition
reactions
over
double
bonds
guest
C60.
Both
amine
radicals,
generated
reductive
quenching
excited
state
2
aromatic
trimethylsilylamines,
and
trifluoroethyl
obtained
from
oxidative
photosensitizer,
successfully
taken
place
with
good
yields
2:C60
host:guest
complex.
On
other
hand,
both
result
much
lower
when
pyridyl-SubPc
is
used
as
photocatalyst,
demonstrating
that
encapsulation
results
strong
acceleration
reaction.
Importantly,
this
first
example
use
confined
microenvironment
trigger
chemical
transformations
fullerenes.
Chemistry - An Asian Journal,
Journal Year:
2018,
Volume and Issue:
13(3), P. 271 - 274
Published: Jan. 10, 2018
A
facile
visible-light
photocatalytic
conjugate
addition
to
prepare
1,4-dicarbonyl
compounds
has
been
developed
by
employing
readily
available
aroyl
chlorides
as
aryl
radical
sources.
This
operationally
simple
method
shows
a
broad
scope
with
regard
both
and
Michael
acceptors.
As
result,
variety
of
1,4-diketones
were
efficiently
synthesized
in
moderate
good
yields.
The Journal of Organic Chemistry,
Journal Year:
2018,
Volume and Issue:
83(11), P. 6015 - 6024
Published: May 7, 2018
A
simple
and
efficient
method
for
hydrotrifluoromethylation
of
unactivated
alkenes
was
reported.
The
reaction
relied
on
the
single
electron
oxidation
a
commercially
available
sodium
trifluoromethanesulfinate
(CF3SO2Na,
Langlois'
reagent)
using
Mn(OAc)3·2H2O
as
oxidant
subsequent
addition
trifluoromethyl
radical
to
C═C
double
bonds.
proceeded
readily
under
mild
conditions
with
good
tolerance
variety
functional
groups
in
substrates.
preliminary
mechanism
studied
deuteration,
clock,
TEMPO
inhibition
experiments.