Visible-light-mediated selenocyclization of o-vinylanilides with diselenides
Organic & Biomolecular Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
A
visible-light-induced
selenocyclization
of
o
-vinylanilides
with
diselenides
using
molecular
oxygen
as
a
terminal
oxidant
has
been
developed.
Язык: Английский
Electrochemically promoted selenocyclization for the synthesis of organoselenyl isoxazoles
Green Chemistry,
Год журнала:
2024,
Номер
26(19), С. 10240 - 10246
Опубликована: Янв. 1, 2024
Herein,
we
report
a
general
and
sustainable
electrochemically
promoted
oxidative
selenocyclization
protocol
for
the
synthesis
of
organoselenyl
isoxazoles
from
2-alkyn-1-one
O
-methyloximes
diorganyl
diselenides.
Язык: Английский
Electrochemical 1,5-chlorosulfonylation and 1,5-hydrosulfonylation of vinylcyclopropanes
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(19), С. 5564 - 5572
Опубликована: Янв. 1, 2024
This
study
reports
the
electrochemical
reaction
of
vinylcyclopropanes
with
sulfonyl
chlorides,
resulting
in
1,5-hydrosulfonylation
and
1,5-chlorosulfonylation.
Язык: Английский
Organophotocatalytic Regioselective Silylation/Germylation and Cascade Cyclization of N-Alkenyl α-CF3 Acrylamides: Access to Densely Functionalized 4-Pyrrolin-2-ones
Organic Letters,
Год журнала:
2024,
Номер
26(43), С. 9269 - 9275
Опубликована: Окт. 21, 2024
We
report
an
organophotoredox-catalyzed
silylation/germylation
cascade
cyclization
of
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
Electrophotocatalytic Thiocyanation and Sulfonylation Cyclization of Unactivated Alkenes
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 18, 2024
We
report
an
electrophotocatalytic
process
that
enables
the
thiocyanation
and
sulfonylation/cyclization
of
alkenes.
It
is
applicable
to
a
wide
range
unactivated
alkenes,
using
inexpensive
photocatalyst
2,4,6-triphenylpyrylium
tetrafluoroborate
(TPPT)
produce
diverse
array
heterocycles
containing
sulfonyl
thiocyano
groups
with
good
functional
group
tolerance.
The
protocol
operates
under
mild,
chemical
oxidant-
transition-metal-free,
broad
scope
substrates.
Preliminary
mechanistic
studies
suggest
reaction
involves
combination
electrolysis
reductive
quenching
photocatalytic
cycle
TPPT.
Язык: Английский