Self‐ or Acridinium‐Catalyzed Electrophotosynthesis of Thiocyanato Heterocycles from Activated Alkenes
Advanced Synthesis & Catalysis,
Год журнала:
2024,
Номер
366(10), С. 2352 - 2362
Опубликована: Апрель 5, 2024
Abstract
While
the
emergence
of
electrophotochemistry
provides
opportunities,
such
a
chemistry
at
this
stage
suffers
from
limited
reaction
types
and
high
photocatalyst
loadings.
A
self‐catalyzed
electrophotosynthesis
as
well
one
with
low
loading
is
presented.
These
external‐oxidant‐free
cyclizations
are
enabling
applicable
to
range
activated
alkenes,
affording
diverse
array
thiocyanato
heterocycles
including
4‐pyrrolin‐2‐ones,
isoquinoline‐1,3‐diones,
indolo[2,1‐
]isoquinolin‐6(5
H
)‐ones,
benzoimidazo[2,1‐
)‐ones
indolin‐2‐ones,
protocols
amenable
late‐stage
diversification
complex
molecular
architectures
gram‐scale
syntheses.
Sunlight
could
serve
light
source,
be
conducted
in
an
all‐solar‐driven
mode
using
commercially
available
photovoltaic
panel
produce
electricity.
Язык: Английский
Recent advances in dual photoredox/nickel catalyzed alkene carbofunctionalised reactions
Anilkumar Kommoju,
Kattamuri Snehita,
K. Sowjanya
и другие.
Chemical Communications,
Год журнала:
2024,
Номер
60(68), С. 8946 - 8977
Опубликована: Янв. 1, 2024
Alkene
carbofunctionalization
reactions
have
great
potential
for
synthesizing
complex
molecules
and
constructing
structures
in
natural
products
medicinal
chemistry.
Recently,
dual
photoredox/nickel
catalysis
has
emerged
as
a
novel
strategy
alkene
carbofunctionalization.
Nickel
offers
numerous
advantages
over
other
transition
metals,
such
cost-effectiveness,
abundance,
low
toxicity,
moreover,
it
many
oxidation
states.
catalysts
exhibit
excellent
catalytic
activity
photoredox/transition
metal
catalysis,
facilitating
the
formation
of
carbon-carbon
or
carbon-heteroatom
bonds
organic
transformations.
This
review
highlights
latest
advancements
photoredox/nickel-catalyzed
carbofunctionalizations
includes
literature
published
from
2020
to
2024.
Язык: Английский
Electrophotocatalysis Versus Indirect Electrolysis: Electrochemical Selenocyclization of 3‐Aza‐1,5‐dienes Facilitated by Energy Transfer, Direct Photolysis or N‐Hydroxyphthalimide
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(36)
Опубликована: Апрель 23, 2024
Three
hybrid
electrochemical
protocols,
which
involve
the
energy
transfer,
direct
photolysis
and
N-hydroxyphthalimide
catalyst,
respectively,
are
presented
for
selenylation/cyclization
of
fragile
substrates
3-aza-1,5-dienes
with
diorganyl
diselenides
to
afford
3-selenomethyl-4-pyrrolin-2-ones.
The
two
electrophotocatalytic
reactions
indirect
electrolysis
one
both
regioselective
external-oxidant-
transition-metal-free,
associated
a
broad
substrate
scope
high
Se-economy,
all
three
methods
amenable
gram-scale
syntheses,
late-stage
functionalizations,
sunlight-induced
experiments
all-solar-driven
syntheses.
Язык: Английский
Visible-light-driven synthesis of indoles via aerobic oxidative dehydrogenation at room temperature
Molecular Catalysis,
Год журнала:
2024,
Номер
564, С. 114334 - 114334
Опубликована: Июнь 27, 2024
Язык: Английский
Recent developments for the synthesis of the dihydroisoquinolin-1(2H)-ones via cyclization of N-allylbenzamides
Tetrahedron,
Год журнала:
2025,
Номер
unknown, С. 134497 - 134497
Опубликована: Янв. 1, 2025
Язык: Английский
DABCO‐Mediated Photoelectrochemical Three‐Component Sulfonocyclization of 3‐Aza‐1,5‐dienes
Lu-Cai Ding,
Gui-Hong Yang,
Li Luo
и другие.
Chinese Journal of Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 2, 2024
Comprehensive
Summary
Herein,
we
report
a
rare
example
of
three‐component
net‐oxidative
sulfonylation
SO
2
surrogate
with
an
oxidatively
activated
radical
precursor
under
mild
and
metal‐
external‐oxidant‐free
conditions.
The
mildness
sustainability
the
reaction
are
enabled
by
photoelectrocatalysis,
3‐aza‐1,5‐dienes,
organotrifluoroborates
1,4‐diazabicyclo[2.2.2]octane
bis(sulfur
dioxide)
adduct
(DABSO)
undergo
sulfonylative
cyclization
to
afford
sulfono
4‐pyrrolin‐2‐ones
in
atom‐economical
manner
broad
substrate
scope
good
functional‐group
tolerance.
protocol
is
amenable
late‐stage
diversification
complex
molecular
architectures
as
well
gram‐scale
synthesis.
Sunlight
could
be
used
light
source,
conducted
all‐solar
mode
using
commercially
available
photovoltaic
panel
generate
electricity
situ
.
Mechanistic
studies
reveal
that
generated
(DABCO),
which
was
generally
innocent
previous
reactions,
functions
electron
shuttle
between
photocatalytic
cycle
reactants.
Язык: Английский