Chemistry - A European Journal,
Journal Year:
2023,
Volume and Issue:
29(63)
Published: Sept. 4, 2023
A
mechanochemistry-driven
practical
and
efficient
synthetic
protocol
for
accessing
diverse
series
of
biologically
relevant
poly-functionalized
5-(arylselanyl)-1H-1,2,3-triazoles
through
copper(I)-catalyzed
click
reaction
between
aryl/heteroaryl
acetylenes,
diaryl
diselenides,
benzyl
bromides,
sodium
azide
has
been
accomplished
under
high-speed
ball-milling.
Advantages
this
method
include
operational
simplicity,
avoidance
using
solvent
external
heating,
one-pot
synthesis,
short
time
in
minutes,
good
to
excellent
yields,
broad
substrate
scope,
gram-scale
applications.
Furthermore,
synthesized
organoselenium
compounds
were
synthetically
diversified
promising
selenones.
Organic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
11(2), P. 597 - 630
Published: Nov. 23, 2023
This
review
highlights
the
recent
progress
in
electrochemical
difunctionalization
of
alkenes
and
alkynes
involving
C–S/Se
bond
formation
to
access
organochalcogen
frameworks.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(6), P. 4074 - 4084
Published: Feb. 23, 2024
Herein,
an
oxidant-
and
metal-free
electrochemical
selenylation
reaction
of
chalcones
with
diselenides
for
the
synthesis
3-selenylazaflavanones
3-selenylflavanones
at
room
temperature
was
reported.
The
method
proceeded
under
mild
conditions,
exhibited
a
broad
substrate
scope,
provided
selenylated
products
in
moderate
to
excellent
yields
high
regio-
stereoselectivity.
could
also
be
readily
scaled
up
efficiency.
Detailed
mechanistic
studies
through
control
experiments
disclosed
that
selenium-based
radical
might
participate
this
transformation.
Chinese Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
42(15), P. 1691 - 1698
Published: March 19, 2024
Comprehensive
Summary
A
novel
electrochemical
multicomponent
cascade
reaction
of
indole‐tethered
alkenes
with
CF
3
SO
2
Na
and
n
‐Bu
4
NI
has
been
developed,
which
enables
the
rapid
assembly
spiropyrrolidinyl‐oxindoles
in
good
yields.
The
experimental
results
DFT
calculations
suggest
that
this
proceeds
through
oxidation
Na,
radical
coupling
alkene,
spirocyclization,
sulfinate,
iodide
substitution,
water
coupling.
This
strategy
features
mild
conditions,
easy‐to‐handle
reactants,
chemical
finding
not
only
enriches
research
contents
but
also
provides
a
green
for
construction
compared
existing
methodologies.
The Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
88(2), P. 1049 - 1060
Published: Jan. 4, 2023
A
straightforward
and
efficient
electrochemical
method
for
regioselective
C(sp2)-H
selenylation
sulfenylation
of
substituted
2-amino-1,4-naphthoquinones
has
been
unearthed.
This
oxidative
cross-coupling
reaction
avoids
using
transition
metal
catalysts,
oxidants,
high
temperatures.
The
other
notable
advantages
this
protocol
are
the
tolerance
diverse
functional
groups,
mild
conditions
at
ambient
temperature,
energy
efficiency,
good
to
excellent
yields,
short
times
(in
minutes),
gram-scale
applicability,
eco-friendliness.
Organic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
10(14), P. 3479 - 3484
Published: Jan. 1, 2023
A
visible-light
induced
radical
cyclization
of
olefinic
amides
with
easily
available
N
-sulfonylaminopyridinium
salts
towards
iminoisobenzofurans
and
benzoxazines
has
been
developed.
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
30(36)
Published: April 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.
