Organic & Biomolecular Chemistry,
Journal Year:
2023,
Volume and Issue:
21(24), P. 4967 - 4971
Published: Jan. 1, 2023
A
green
and
efficient
method
for
the
synthesis
of
β-sulfonyl
aliphatic
sulfonyl
fluorides
was
developed.
This
reaction
works
in
aqueous
media
under
mild
environmentally
benign
conditions
without
any
ligand
or
additive.
The
efficiency
this
is
demonstrated
by
isolating
desired
products
obtained
through
simple
filtration.
European Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
27(23)
Published: May 25, 2024
Abstract
Sulfonyl
fluorides
have
widespread
applications
in
many
fields,
including
organic
synthesis,
chemical
biology,
drug
discovery
and
materials
science.
In
particular,
the
past
decade,
a
number
of
aliphatic
sulfonyl
been
identified
showing
various
biological
activities.
These
appealing
features
brought
about
significant
advancement
developing
synthetic
methods
to
access
fluorides.
this
review,
we
will
discuss
recent
developments
radical
approaches
for
synthesis
Advanced Synthesis & Catalysis,
Journal Year:
2024,
Volume and Issue:
366(12), P. 2758 - 2763
Published: April 24, 2024
Abstract
Herein,
we
present
a
(NH
4
)
2
S
O
8
mediated
difunctionalization
reaction
of
aryl
alkenes
with
quinoxalinones
and
P(O)SH
compounds.
This
method
enables
the
synthesis
various
phosphorothioate‐containing
quinoxalin‐2(1
H
)‐one
derivatives
(46
examples)
in
37–79%
yields.
The
is
compatible
range
functional
groups
easily
adaptable
to
large‐scale
synthesis.
Preliminary
studies
suggest
involvement
phosphorothioate
radicals
these
transformations.
Organic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
11(1), P. 217 - 235
Published: Nov. 14, 2023
This
review
summarizes
the
latest
achievements
in
photochemical
and
electrochemical
strategies
for
synthesis
of
sulfonyl
fluorides
focuses
on
novel
features
proposed
mechanisms.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(17), P. 3109 - 3113
Published: April 21, 2023
An
electron
donor-acceptor
(EDA)
complex
photoactivation
strategy
for
radical
fluorosulfonylation
is
disclosed
the
first
time.
Simply
upon
blue
light
irradiation,
FSO2
can
be
generated
efficiently
under
catalyst-free,
base-free,
and
additive-free
conditions,
which
enables
facile
access
to
6-keto
alkenylsulfonyl
fluorides
from
readily
available
propargyl
alcohols
FSO2Cl.
The
fluoride
motif
has
been
showcased
as
a
versatile
SuFEx
hub
with
diverse
follow-up
derivatizations.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
26(7), P. 1410 - 1415
Published: Feb. 15, 2024
A
radical
hydro-fluorosulfonylation
of
propargyl
alcohols
with
FSO2Cl
is
presented
based
on
the
photoactivation
electron
donor–acceptor
(EDA)
complex.
The
reaction
avoids
requirement
for
photocatalysts,
bases,
hydrogen
donor
reagents,
any
other
additives,
and
harsh
conditions,
enabling
facile
synthesis
various
functionalized
γ-hydroxy
(E)-alkenylsulfonyl
fluorides.
These
multifunctional
sulfonyl
fluorides
can
be
further
diversified,
providing
access
to
privileged
molecules
biological
relevance.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(21), P. 3910 - 3915
Published: May 24, 2023
An
efficient
aminofluorosulfonylation
strategy
was
developed
for
the
synthesis
of
various
pyrazoline-functionalized
aliphatic
sulfonyl
fluorides
using
β,γ-unsaturated
hydrazones
with
sulfur
dioxide
and
NFSI
as
starting
materials
under
mild
conditions.
The
fluoride
products
could
be
successfully
transformed
into
corresponding
sulfonate
esters
amides
via
sulfur(VI)
exchange
(SuFEx)
click
reactions.
Preliminary
mechanistic
investigations
demonstrate
that
reaction
operates
through
a
radical
cyclization/SO2
insertion/fluorination
cascade
process.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(19)
Published: March 13, 2024
Abstract
Despite
the
simplicity
and
abundance
of
ethylene,
its
practical
application
presents
significant
hurdles
due
to
nature
as
a
highly
flammable
gas.
Herein,
strategic
use
easily
handled
vinyl
ether
is
reported
latent
ethylene
surrogate
achieved
via
spin‐center
shift
(SCS)
pathway,
enabling
successful
three‐component
reaction
that
bridges
heteroarenes
various
coupling
partners,
including
sulfinates,
thiols,
phosphine
oxides.
Through
photoredox
catalytic
process,
α
‐oxy
radicals
are
generated
by
combining
with
phenyl
ether,
which
subsequently
added
N‐heteroarenes.
Subsequently,
radical‐mediated
SCS
pathway
serves
driving
force
for
C─O
bond
cleavage,
effectively
engaging
phenoxy
group
leaving
group.
In
addition,
broadening
utility
method,
valuable
synthon
provided
efficient
C─H
vinylation
N‐heteroarenes
following
sulfonyl
elimination.
This
approach
not
only
enriches
toolbox
synthetic
methodology
but
also
provides
more
streamlined
alternative,
circumventing
challenges
associated
direct
gas
usage.
The
versatility
particularly
evident
in
late‐stage
functionalizations
medicinally
relevant
molecules
peptides,
underscores
capability
produce
invaluable
compounds
vinylated
N‐heteroarene
derivatives.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
This
study
reported
a
novel
and
unprecedented
photoredox-catalyzed
protocol
for
direct
allylic
C–H
fluorosulfonylation
of
alkenes
with
FABI.
mild
exhibited
excellent
compatibility
various
functional
groups,
broad
substrate
scope,
promising
scalability,
enabling
convenient
access
to
wide
range
allyl
sulfonyl
fluorides
exceptional
regioselectivity.
The
synthetic
robustness
this
strategy
was
further
demonstrated
by
the
late-stage
functionalization
natural
products
their
ligation
other
drugs
via
SuFEx
chemistry.