Chemical Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 12, 2024
Since
the
seminal
report
by
Adachi
and
co-workers
in
2012,
there
has
been
a
veritable
explosion
of
interest
design
thermally
activated
delayed
fluorescence
(TADF)
compounds,
particularly
as
emitters
for
organic
light-emitting
diodes
(OLEDs).
With
rapid
advancements
innovation
materials
design,
efficiencies
TADF
OLEDs
each
primary
color
points
well
white
devices
now
rival
those
state-of-the-art
phosphorescent
emitters.
Beyond
electroluminescent
devices,
compounds
have
also
found
increasing
utility
applications
numerous
related
fields,
from
photocatalysis,
to
sensing,
imaging
beyond.
Following
our
previous
review
2017
(
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(3), С. 1535 - 1541
Опубликована: Янв. 10, 2023
Photoinduced
hydrogen
atom
transfer
(HAT)
has
been
developed
as
a
powerful
tool
to
generate
synthetically
valuable
radical
species.
The
direct
photoexcitation
of
ketones
known
promote
HAT
or
acyl
radicals
through
Norrish-type
pathways,
but
these
modalities
remain
severely
limited
by
side
reactions.
We
report
herein
catalyst-
and
transition
metal-free
method
for
the
acylation
C-H
bonds
that
leverages
unique
properties
stable,
isolable
azolium
Specifically,
salts
are
shown
undergo
an
intermolecular
regioselective
upon
LED
irradiation
with
range
substrates
bearing
active
followed
C-C
bond
formation
afford
ketones.
Experimental
computational
studies
support
facile
intersystem
crossing
access
triplet
diradical
species
selective
radical-radical
cross-coupling.
Chemical Science,
Год журнала:
2023,
Номер
14(46), С. 13367 - 13383
Опубликована: Янв. 1, 2023
This
review
summarizes
recent
advances
in
combining
photo-
and
N-heterocyclic
carbene
catalysis,
as
well
provides
an
outlook
on
future
opportunities
challenges.
ACS Catalysis,
Год журнала:
2024,
Номер
14(11), С. 8270 - 8293
Опубликована: Май 13, 2024
As
one
of
the
most
important
key
intermediates,
NHC-bound
acylazolium-based
ionic
transformations
have
been
intensively
explored
in
past
two
decades.
With
expeditious
development
NHC-catalyzed
radical
recent
years,
acylazolium
chemistry
has
reached
another
level,
with
number
relevant
publications
increasing
significantly.
However,
a
summary
focused
on
acylations
NHC-derived
acyl
azoliums
classified
according
to
mechanistic
difference
not
reported.
Such
detailed
classification
and
deep
analysis
provide
opportunities
for
better
understanding
history
trend
this
field.
In
review,
reactions
N-heterocyclic
carbene
(NHC)-derived
are
systematically
introduced.
The
achievements
challenges
within
area
also
summarized
discussed
at
end.
Chemical Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 12, 2024
Since
the
seminal
report
by
Adachi
and
co-workers
in
2012,
there
has
been
a
veritable
explosion
of
interest
design
thermally
activated
delayed
fluorescence
(TADF)
compounds,
particularly
as
emitters
for
organic
light-emitting
diodes
(OLEDs).
With
rapid
advancements
innovation
materials
design,
efficiencies
TADF
OLEDs
each
primary
color
points
well
white
devices
now
rival
those
state-of-the-art
phosphorescent
emitters.
Beyond
electroluminescent
devices,
compounds
have
also
found
increasing
utility
applications
numerous
related
fields,
from
photocatalysis,
to
sensing,
imaging
beyond.
Following
our
previous
review
2017
(
