Chemistry - A European Journal,
Год журнала:
2023,
Номер
29(63)
Опубликована: Сен. 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.
New Journal of Chemistry,
Год журнала:
2022,
Номер
46(28), С. 13483 - 13497
Опубликована: Янв. 1, 2022
The
essence
of
photo-
and
electrochemistry:
sulfenylation
selenylation
substituted
benzo[
a
]phenazin-5-ols
through
cross-dehydrogenative
C(sp
2
)–H
functionalization.
Organic Letters,
Год журнала:
2019,
Номер
21(16), С. 6310 - 6314
Опубликована: Авг. 5, 2019
An
efficient
ruthenium-catalyzed
direct
C-H
selenylation
of
aryl
acetic
amides
and
esters
has
been
achieved
via
distal
weakly
coordination.
Notable
features
this
protocol
including
broad
substrate
scope,
wide
functional
group
tolerance,
good
regioselectivity.
In
addition,
diaryl
disulfides
were
also
successfully
applied
to
reaction
under
slightly
modified
conditions.
European Journal of Organic Chemistry,
Год журнала:
2019,
Номер
2019(8), С. 1825 - 1829
Опубликована: Янв. 25, 2019
The
first
palladium(II)‐catalyzed
direct
ortho
‐C(sp
2
)–H
chalcogenations
of
N
‐arylsulfonamide
via
weak
coordination
have
been
achieved,
affording
the
corresponding
mono‐chalocgenated
products
in
good
to
excellent
yields.
This
strategy
features
ligand/additive‐free
conditions,
broad
substrate
scope
with
functional
group
tolerance
and
a
high
position
selectivity.
Advanced Synthesis & Catalysis,
Год журнала:
2020,
Номер
362(24), С. 5708 - 5715
Опубликована: Окт. 27, 2020
Abstract
A
convenient
and
effective
method
of
palladium‐catalyzed
C−H
selenylation
the
2‐aryl
acetamides
assisted
with
removable
8‐aminoquinoline
readily
available
diselenides
selenyl
chlorides
has
been
developed.
This
reaction
is
scalable
tolerates
a
wide
range
functional
groups,
providing
straightforward
way
preparing
unsymmetrical
diaryl
selenides
dibenzoselene‐pinone.
Preliminary
mechanistic
studies
indicated
that
single‐electron
transfer
type
mechanism
facile
metalation
are
operative.
magnified
image
Organic Letters,
Год журнала:
2019,
Номер
21(15), С. 5981 - 5985
Опубликована: Июль 16, 2019
Cu-mediated
C-H
thioetherification
of
arenes
with
ethylene
sulfide
has
been
developed
using
a
readily
removable
directing
group.
The
reaction
proceeded
at
room
temperature,
and
variety
sensitive
functional
groups
including
chloro,
bromo,
vinyl
were
well
tolerated.
thiolated
products
could
be
converted
to
the
seven-membered
benzoxathiepinones
derivatives
by
sequence
hydrolysis-lactonization
reactions.
Advanced Synthesis & Catalysis,
Год журнала:
2019,
Номер
361(21), С. 4998 - 5004
Опубликована: Июль 19, 2019
Abstract
An
efficient
PIDA
(phenyliodine(III)
diacetate)‐promoted
positional
selective
C−H
selenylations
of
indolines
with
diaryl
diselenides
has
been
developed.
This
transformation
conducted
under
mild
reaction
conditions
a
broad
functional
group
tolerance,
thus
providing
an
protocol
to
selenylated
indolines.
Preliminary
mechanistic
studies
indicated
SET
pathway
was
likely
involved
in
this
selenylation
reaction.
magnified
image
Chemical Communications,
Год журнала:
2022,
Номер
58(82), С. 11555 - 11558
Опубликована: Янв. 1, 2022
A
novel
and
versatile
method
for
peri-C-H
selenylation
of
aromatic
compounds
bearing
ketone
groups,
including
chromones,
xanthones,
acridinones,
quinolinones
naphthoquinones
with
diselenides
under
Ru(II)
catalysis
is
presented.
Various
chromones
are
applicable
this
transformation,
affording
5-selenyl
in
a
highly
regioselective
manner
good
to
excellent
yields.
This
transformation
easy
scale
up
the
desired
products
can
be
further
modified.
Most
importantly,
allows
late-stage
bioactive
compounds.
Mechanistic
studies
show
that
radicals
may
involved
transformation.
The Journal of Organic Chemistry,
Год журнала:
2023,
Номер
88(7), С. 4554 - 4568
Опубликована: Март 22, 2023
An
efficient
method
for
pharmaceutically
useful
selenoflavones
via
a
ruthenium-catalyzed
selenylation
reaction
is
demonstrated.
The
was
applied
to
synthesize
diverse
alkenyl
selenides
from
simple
unsaturated
acids/amides
and
diaryl
diselenides.
A
wide
range
of
differently
substituted
diselenides
can
be
in
this
protocol
with
good
functional
group
excellent
stereo-
regioselectivity.
