RSC Advances,
Journal Year:
2021,
Volume and Issue:
12(2), P. 692 - 697
Published: Dec. 23, 2021
A
novel
copper-catalyzed
thioetherification
reaction
has
been
developed
to
afford
benzyl
thioethers
in
moderate
excellent
yields.
Under
the
mild
and
easy-to-operate
conditions,
a
variety
of
are
efficiently
prepared
from
readily
available
alcohols
(primary,
secondary,
tertiary)
thiols
presence
Cu(OTf)2
as
Lewis
acid
catalysis.
This
C-S
bond
formation
protocol
furnishes
exceptional
chemoselectivity,
preliminary
mechanism
studies
show
that
should
proceed
through
Lewis-acid-mediated
SN1-type
nucleophilic
attack
carbocations
formed
situ.
Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(11), P. 3131 - 3136
Published: Jan. 1, 2024
A
rapid
and
green
one-pot
access
to
S
-substituted
quaternary
carbon
centers
from
commercially
available
feedstock
chemicals
has
been
established,
providing
complex
molecules
with
high
chemoselectivity
by
the
use
of
air
as
terminal
oxidant.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(21), P. 16214 - 16223
Published: Oct. 18, 2024
The
dissociation
and
spillover
process
of
hydrogen
is
one
the
key
processes
in
hydrogenation
reactions,
but
this
very
challenging
or
even
impossible
presence
a
S
atom,
as
atoms
can
severely
poison
surface
supported
metal
catalysts.
Herein,
we
report
that
efficient
transfer
be
achieved
poisoning
over
synergetic
units
together
with
H2
5-nitrobenzothiazole
catalyzed
by
Pt/MoO3.
Pt/MoO3
showcases
99%
conversion
∼99%
selectivity
under
mild
reaction
conditions
most
active
catalysts
reported
so
far
for
sulfur
atom-containing
compounds.
Mechanism
studies,
situ
characterization,
density
functional
theory
calculations
collectively
demonstrate
MoO3
support,
H1.68MoO3
an
intermediate,
acts
bridge
transferring
H
species
between
Pt
sites
nitrobenzothiazole.
unique
proton
storage
release
properties
formed
not
only
accelerate
breaking
N–O
bond
also
prevent
poisoning.
This
work
provides
promising
strategy
to
tackle
current
challenges
catalytic
RSC Advances,
Journal Year:
2021,
Volume and Issue:
12(2), P. 692 - 697
Published: Dec. 23, 2021
A
novel
copper-catalyzed
thioetherification
reaction
has
been
developed
to
afford
benzyl
thioethers
in
moderate
excellent
yields.
Under
the
mild
and
easy-to-operate
conditions,
a
variety
of
are
efficiently
prepared
from
readily
available
alcohols
(primary,
secondary,
tertiary)
thiols
presence
Cu(OTf)2
as
Lewis
acid
catalysis.
This
C-S
bond
formation
protocol
furnishes
exceptional
chemoselectivity,
preliminary
mechanism
studies
show
that
should
proceed
through
Lewis-acid-mediated
SN1-type
nucleophilic
attack
carbocations
formed
situ.