Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 8, 2025
The
(hetero)aryl
sulfoximines
are
important
structures
for
developing
bioactive
molecules,
whose
synthesis
relies
on
oxidation
of
sulfilimines.
However,
asymmetric
approaches
assembling
sulfilimines
still
rare.
Here
we
show
that
combination
CuI
and
NOBIN-derived
amide
ligands
offers
an
effective
catalytic
system
enantioselective
coupling
iodides
with
sulfenamides.
A
large
number
functional
groups
heterocycles
tolerated
under
the
conditions,
providing
a
powerful
approach
diverse
enantioenriched
efficiency
reaction
is
highly
dependent
electronic
nature
Both
(hetero)aryl-
some
bulky
alkyl-substituted
sulfenamides
give
excellent
enantioselectivities,
while
smaller
alkyl
substituents
lead
to
formation
moderate
enantioselectivities.
Density
theory
(DFT)
calculations
reveal
proper
steric
repulsions
in
transition
states
intramolecular
SNAr
crucial
achieving
desirable
enantioselectivity.
(Hetero)aryl
useful
bioisosteres
sulfones
medicinal
chemistry
as
they
have
improved
aqueous
solubility
metabolic
stability.
Here,
authors
report
via
copper-catalysed
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Asymmetric
catalysis
involving
a
sulfoxide
electrophile
intermediate
presents
an
efficient
methodology
for
accessing
stereogenic-at-sulfur
compounds,
such
as
sulfinate
esters,
sulfinamides,
etc.,
which
have
garnered
increasing
attention
in
modern
pharmaceutical
sciences.
However,
the
aza-analog
of
electrophiles,
asymmetric
issues
about
electrophilic
sulfinimidoyl
species
remain
largely
unexplored
and
represent
significant
challenge
sulfur
stereochemistry.
Herein,
we
exhibit
anionic
stereogenic-at-cobalt(III)
complex-catalyzed
synthesis
chiral
sulfinamides
via
iodide
intermediates.
Mechanistic
investigations
reveal
that
catalytic
cycle
is
initiated
by
oxidative
iodination,
generating
iodides.
These
active
intermediates
subsequently
undergo
enantiospecific
nucleophilic
substitution
with
water,
affording
diverse
array
enantioenriched
sulfinamides.
Notably,
these
promising
antifungal
activities
against
Sclerotinia
sclerotiorum
serve
ideal
platform
molecules
facilitating
stereospecific
transformation
into
various
stereogenic
aza-sulfur
compounds.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(38), P. 20959 - 20967
Published: Sept. 1, 2023
New
methods
for
the
general
asymmetric
synthesis
of
sulfonimidamides
are
great
interest
due
to
their
applications
in
medicinal
chemistry,
agrochemical
discovery,
and
academic
research.
We
report
a
palladium-catalyzed
cross-coupling
method
enantioselective
aryl-carbonylation
sulfonimidamides.
Using
data
science
techniques,
virtual
library
calculated
bisphosphine
ligand
descriptors
was
used
guide
reaction
optimization
by
effectively
sampling
catalyst
chemical
space.
The
optimized
conditions
identified
using
this
approach
provided
desired
product
excellent
yield
enantioselectivity.
As
next
step,
science-driven
strategy
also
explore
diverse
set
aryl
heteroaryl
iodides,
providing
key
information
about
scope
limitations
method.
Furthermore,
we
tested
range
racemic
compatibility
coupling
partner.
developed
offers
efficient
accessing
enantioenriched
sulfonimidamides,
which
should
facilitate
application
industrial
settings.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(27), P. 5157 - 5161
Published: July 5, 2023
An
efficient
and
metal-free
approach
for
the
synthesis
of
sulfilimines
from
sulfenamides
with
aryne
cyclohexyne
precursors
has
been
developed.
The
reaction
proceeds
through
unusual
S–C
bond
formation,
which
offers
a
novel
practical
entry
to
access
wide
range
in
moderate
good
yields
excellent
chemoselectivity.
Moreover,
this
protocol
is
amenable
gram-scale
applicable
transformation
products
into
useful
sulfoximines.
The Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
88(13), P. 9352 - 9359
Published: June 16, 2023
A
novel
and
efficient
S-arylation
of
sulfenamides
with
diaryliodonium
salts
for
the
synthesis
sulfilimines
is
developed.
The
reaction
proceeds
smoothly
under
transition-metal-free
air
conditions,
giving
rapid
access
to
in
good
excellent
yields
via
selective
S-C
bond
formation.
This
protocol
scalable
exhibits
a
broad
substrate
scope,
functional
group
tolerance,
chemoselectivity.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(26), P. 17580 - 17586
Published: June 20, 2024
The
application
of
sulfinamides
has
been
witnessed
in
medicinal
and
agrochemistry
with
employment
asymmetric
transformations.
However,
methods
for
their
catalytic
synthesis
have
rarely
explored.
Herein,
the
enantioselective
addition
aryl
boroxines
to
sulfinylamines
via
Cu
catalyst
newly
developed
Xuphos
ligand
were
reported.
A
series
chiral
can
be
readily
accessed
one
step.
This
protocol
enables
stereospecific
transformation
sulfonimidoyl
fluorides,
sulfonimidamides,
sulfonimidate
esters.
DFT
calculations
revealed
reaction
pathway,
migratory
insertion
is
enantio-determining
noncovalent
interaction
between
oxygen
atom
C-H
bonds
crucial
enantioselectivity
control.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(13)
Published: Jan. 29, 2024
Organic
molecules
bearing
chiral
sulfur
stereocenters
exert
a
great
impact
on
asymmetric
catalysis
and
synthesis,
drugs,
materials.
Compared
with
acyclic
ones,
the
catalytic
synthesis
of
thio-heterocycles
has
largely
lagged
behind
due
to
lack
efficient
synthetic
strategies.
Here
we
establish
first
modular
platform
access
thio-oxazolidinones
via
Pd-catalyzed
[3+2]
annulations
vinylethylene
carbonates
sulfinylanilines.
This
protocol
is
featured
by
readily
available
starting
materials,
high
enantio-
diastereoselectivity.
In
particular,
an
unusual
effect
non-chiral
supporting
ligand
diastereoselectivity
was
observed.
Possible
reaction
mechanisms
stereocontrol
models
were
proposed.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(26), P. 17587 - 17594
Published: June 24, 2024
Sulfinamides
have
been
widely
used
in
organic
synthesis,
with
research
on
their
preparation
spanning
more
than
a
century.
Despite
advancements
catalytic
methodologies,
creating
sulfur
stereocenters
within
these
molecules
remains
significant
challenge.
In
this
study,
we
present
an
effective
and
versatile
method
for
synthesizing
diverse
range
of
S-chirogenic
sulfinamides
through
asymmetric
aryl
addition
to
sulfinylamines.
By
utilizing
nickel
complex
as
catalyst,
process
exhibits
impressive
enantioselectivity
can
incorporate
various
arylboronic
acids
at
the
position.
The
resulting
synthetic
are
stable
highly
adaptable,
allowing
conversion
variety
sulfur-containing
compounds.
Our
study
also
incorporates
detailed
experimental
computational
studies
elucidate
reaction
mechanism
factors
influencing
enantioselectivity.