Advanced Synthesis & Catalysis,
Год журнала:
2023,
Номер
366(3), С. 457 - 464
Опубликована: Дек. 9, 2023
An
arylation
of
anions
active
methylene
compounds
with
aryl
halides
provides
an
access
to
synthetically
versatile
α-arylated
1,3-diketones,
β-keto
esters,
nitriles,
β-cyano
etc.
Previously,
these
C−C
cross-coupling
reactions
have
been
accomplished
only
using
transition
metal-based
catalysts.
Herein,
we
demonstrate
that
arylations
can
be
successfully
realized
under
catalyst-free
conditions
employing
the
electron
donor-acceptor
(EDA)
complex
photoactivation
strategy.
The
protocol
was
further
optimized
for
a
semi-one
pot
synthesis
indole
derivatives
via
intramolecular
coupling.
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(5), С. 1412 - 1419
Опубликована: Янв. 1, 2024
Herein,
we
developed
a
photo-induced
1,2-alkylarylation
and
cyclization
of
alkenes,
alkyl
halides
N
-alkylindoles
to
synthesize
indoles
derivatives
polysubstituted
tetrahydrofuran
under
mild
conditions
without
the
use
external
redox
reagents
photosensitizers.
Green Chemistry,
Год журнала:
2024,
Номер
26(8), С. 4518 - 4527
Опубликована: Янв. 1, 2024
The
selection
of
electronically-different
thiolate-based
photosensitizers
is
employed
to
achieve
a
precise
and
specific
C–F
bond
defluorination
broad
range
trifluoromethylarenes,
enabling
the
synthesis
88
α,α-difluoromethyl
compounds.
Organic Letters,
Год журнала:
2024,
Номер
26(36), С. 7751 - 7756
Опубликована: Сен. 5, 2024
Owing
to
their
remarkable
practicality
and
utility,
phosphonium
salts
have
attracted
substantial
interest
are
widely
applied
in
critical
areas,
such
as
medicine,
materials
science,
catalysis.
Herein,
we
developed
a
facile
photocatalyst/metal-free
synthetic
strategy
for
the
preparation
of
utilizing
aryl
halides/arylthianthrenium
radical
precursors.
This
approach
is
disclosed
undergo
an
efficient
light-induced
electron
donor-acceptor
pathway,
facilitating
synthesis
structurally
diverse
range
salts.
Chemical Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Synthesis
of
bibenzofuranones
from
benzils
via
a
radical
cyclization-dimerization
tandem
process,
efficiently
constructing
C–O/C–C
bonds
and
contiguous
quaternary
carbon
centers
in
single
step,
was
reported.
Organic Letters,
Год журнала:
2022,
Номер
24(32), С. 6099 - 6104
Опубликована: Авг. 8, 2022
A
highly
efficient
visible
light-induced
regioselective
and
stereoselective
oxysulfonylation
of
alkynes
with
arylsulfonate
phenol
esters
has
been
developed.
This
photocatalyst-
metal-free
method
proceeds
smoothly
under
very
mild
conditions
exhibits
a
broad
substrate
scope,
providing
(E)-β-phenoxy
vinylsulfones
in
moderate
to
excellent
yields.
Mechanistic
studies
indicated
the
involvement
an
electron
donor–acceptor
complex-mediated
radical
process.
The Journal of Organic Chemistry,
Год журнала:
2022,
Номер
88(1), С. 475 - 482
Опубликована: Дек. 15, 2022
A
facile
and
sustainable
protocol
for
the
thiolation
of
hydrazones
with
sodium
sulfinates
has
been
developed
in
presence
CuBr2
DBU
DMF
to
afford
diverse
benzylic
thioethers.
Control
experiments
reveal
a
radical
pathway
involving
thiyl
as
key
intermediate.
Organic Letters,
Год журнала:
2023,
Номер
25(43), С. 7884 - 7889
Опубликована: Окт. 25, 2023
A
visible-light-induced
metal-free
trifluoromethylselenolation
of
aryl
iodides
and
bromides
with
[Me4N][SeCF3]
is
described.
The
reaction
was
conducted
at
ambient
temperature
by
successfully
harnessing
the
light-sensitive
SeCF3
reagent.
Mechanistically,
EDA
complexes
between
halide
-SeCF3
anion
or
base
might
be
formed
excited
light,
which
subsequently
undergo
intracomplex
SET
processes
to
generate
•SeCF3
radicals
as
key
intermediates,
allowing
a
convenient
green
access
various
trifluoromethyl
selenoethers.
Organic Chemistry Frontiers,
Год журнала:
2023,
Номер
11(4), С. 1251 - 1275
Опубликована: Дек. 28, 2023
This
review
presents
significant
and
selected
examples
of
organic
synthesis
methods
that
use
visible-light-promoted
photoarylation
reactions
without
the
need
for
additional
photocatalysts.
Asian Journal of Organic Chemistry,
Год журнала:
2024,
Номер
13(4)
Опубликована: Фев. 26, 2024
Abstract
A
convenient
visible–light–promoted
phosphorylation
reaction
of
α‐diazoesters
with
H‐phosphine
oxides
for
the
preparation
(
Z
)‐phosphinic
hydrazones
has
been
explored.
This
could
be
performed
under
mild
conditions
to
afford
a
series
in
moderate
good
yields
through
photoisomerization
C=N
bond.
