Asian Journal of Organic Chemistry,
Journal Year:
2020,
Volume and Issue:
9(10), P. 1631 - 1637
Published: July 13, 2020
Abstract
Herein,
we
describe
an
efficient
and
selective
Cu‐catalyzed
C−H
bond
chalcogenation
of
the
indolizine
core,
in
presence
DMSO
applying
ultrasound
irradiation
as
alternative
energy
source.
Under
optimal
conditions,
3‐sulfanylindolizines
(16
examples)
were
prepared
moderate
to
good
yields
starting
from
diorganyl
disulfides
2‐arylindolizines.
When
diphenyl
diselenide
was
used,
1,3‐bis(selanyl)
indolizines
(4
exclusively
obtained
very
yields.
The
use
makes
reaction
faster
more
when
compared
conventional
heating.
Organic & Biomolecular Chemistry,
Journal Year:
2023,
Volume and Issue:
21(37), P. 7643 - 7653
Published: Jan. 1, 2023
Herein,
we
disclosed
a
sustainable
electrochemical
approach
for
site-selective
C-H
mono
and
bis-chalcogenation
(sulfenylation
or
selenylation)
of
indolizine
frameworks.
Diversely
functionalized
disulfides
diselenides
possessing
EDGs
EWGs
were
successfully
reacted
with
variety
indolizines
to
directly
access
sulfenylated/selenylated
in
40-96%
yields.
A
mechanistic
radical
pathway
was
also
validated
control
experiments
cyclic
voltammogram
data.
ChemistrySelect,
Journal Year:
2019,
Volume and Issue:
4(26), P. 7686 - 7690
Published: July 10, 2019
Abstract
Herein,
we
report
a
straightforward
and
environmentally
benign
methodology
for
the
preparation
of
symmetrical
diorganyl
disulfides
via
oxidation
thiols,
under
open
atmosphere.
Water
Extract
Banana
peel
ash
(WEB)
was
conveniently
employed
as
selective
eco‐friendly
system
oxidative
dimerization
affording
corresponding
in
very
good
yields.
The Journal of Organic Chemistry,
Journal Year:
2020,
Volume and Issue:
85(8), P. 5438 - 5448
Published: March 20, 2020
Sequential
one-pot
2-iodoxybenzoic
acid
(IBX)
oxidation
of
Morita–Baylis–Hillman
(MBH)
adducts
followed
by
catalyst-free
indolizine
conjugate
addition
was
developed.
The
wide
scopes
MBH
and
indolizines
were
investigated,
densely
functionalized
obtained
in
yields
up
to
94%.
step
occurred
less
than
a
minute
at
room
temperature
with
total
regioselectivity
toward
C3
carbon.
Less
nucleophilic
C1
carbon
also
alkylated
when
C3-substituted
employed
as
the
substrate.
Advanced Synthesis & Catalysis,
Journal Year:
2020,
Volume and Issue:
362(24), P. 5708 - 5715
Published: Oct. 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 & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
22(20), P. 4031 - 4035
Published: Jan. 1, 2024
A
Me
3
SiBr
promoted
cascade
electrophilic
thiocyanation/cyclization
of
ortho
-alkynylanilines
with
the
N
-thiocyanatosuccinimide
to
afford
3-thiocyanatoindoles
has
been
developed.
Organic & Biomolecular Chemistry,
Journal Year:
2019,
Volume and Issue:
17(47), P. 10073 - 10087
Published: Jan. 1, 2019
We
developed
a
general
and
sustainable
approach
for
the
regioselective
deoxygenative
chalcogenation
of
7-azindole
N-oxides;
combination
internal
oxidant
green
solvent
has
been
used
synthesis
mono-
dichalcogenyl
azaindoles.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
10(2)
Published: Nov. 17, 2022
Engineering
active
sites
of
metal
nanoparticle-based
heterogeneous
catalysts
is
one
the
most
prerequisite
approaches
for
efficient
production
chemicals,
but
limited
and
undesired
oxidation
on
nanoparticles
still
remain
as
key
challenges.
Here,
it
reported
that
negatively
charged
surface
copper
2D
[Ca
