The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(11), С. 7591 - 7597
Опубликована: Май 9, 2024
In
this
study,
we
present
an
efficient
approach
for
the
synthesis
of
3-sulfenyl
indoles
through
electron
donor–acceptor
(EDA)
complex-promoted
photoreaction.
This
sulfenylation
reaction
leverages
sulfonyl
chlorides
as
sulfur
source
and
employs
PPh3
reductant
without
need
any
transition-metal
catalyst
or
photocatalyst.
At
same
time,
relaxation
process
excited
EDA
complex
was
theoretically
investigated
at
method
multiconfiguration
second-order
perturbation//complete
active
space
self-consistent
field/PCM
level
theory,
which
involves
π
bond
injecting
to
antibonding
orbital
S–Cl
in
arylsulfonyl
chlorides.
European Journal of Organic Chemistry,
Год журнала:
2023,
Номер
26(30)
Опубликована: Июнь 21, 2023
Abstract
A
metal‐free
and
N
‐Bromosuccinimide
(NBS)‐mediated
direct
thiol‐disulfide
exchange
reaction
at
room
temperature
is
developed.
variety
of
unsymmetrical
disulfides
have
been
prepared
with
good
to
excellent
yields.
Efficient
late‐stage
modification
amino
acids
drugs
demonstrates
the
utility
this
strategy.
In
addition,
easy
operate,
broad
substrate
scope
functional
group
tolerance
further
demonstrate
that
provides
an
essential
complementary
route
access
disulfides.
Chemical Communications,
Год журнала:
2024,
Номер
60(18), С. 2501 - 2504
Опубликована: Янв. 1, 2024
An
efficient,
metal-free
electrocatalytic
desulfurative
strategy
for
the
construction
of
C–N
bonds
by
selectively
activating
inert
C(sp
3
)–S
alkyl
thioethers.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(20), С. 9119 - 9128
Опубликована: Май 6, 2024
The
cleavage
of
C–S
bonds
represents
a
crucial
step
in
fossil
fuel
refinement
to
remove
organosulfur
impurities.
Efforts
are
required
identify
alternatives
that
can
replace
the
energy-intensive
hydrodesulfurization
process
currently
use.
In
this
context,
we
have
developed
series
bis-thiolato-ligated
CrIII
complexes
supported
by
L2–
ligand
(L2–
=
2,2′-bipyridine-6,6′-diyl(bis(1,1-diphenylethanethiolate),
one
them
displaying
desulfurization
thiolate
under
reducing
and
acidic
conditions
at
ambient
temperature
atmospheric
pressure.
While
only
5-coordinated
were
previously
isolated
reaction
with
3d
metal
MIII
ions,
both
5-
6-coordinated
mononuclear
been
obtained
case
CrIII,
viz.,
[CrIIILCl],
[CrIIILCl2]−,
[CrIIILCl(CH3CN)].
investigation
reactivity
[CrIIILCl(CH3CN)]
led
dinuclear
[CrIII2L2(μ-Cl)(μ-OH)]
compound
and,
presence
protons,
complex
[CrIII(LN2S)2]+,
where
LN2S–
is
partially
desulfurized
form
L2–.
A
mechanism
has
proposed
involving
release
H2S,
as
evidenced
experimentally.
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(11), С. 7591 - 7597
Опубликована: Май 9, 2024
In
this
study,
we
present
an
efficient
approach
for
the
synthesis
of
3-sulfenyl
indoles
through
electron
donor–acceptor
(EDA)
complex-promoted
photoreaction.
This
sulfenylation
reaction
leverages
sulfonyl
chlorides
as
sulfur
source
and
employs
PPh3
reductant
without
need
any
transition-metal
catalyst
or
photocatalyst.
At
same
time,
relaxation
process
excited
EDA
complex
was
theoretically
investigated
at
method
multiconfiguration
second-order
perturbation//complete
active
space
self-consistent
field/PCM
level
theory,
which
involves
π
bond
injecting
to
antibonding
orbital
S–Cl
in
arylsulfonyl
chlorides.
