Catalyst- and Solvent-Free Hydrosulfonylation of Alkenes with Sulfinates Enabling Green Synthesis of β-Sulfonyl Amides
Tetrahedron,
Год журнала:
2025,
Номер
unknown, С. 134632 - 134632
Опубликована: Март 1, 2025
Язык: Английский
Direct Photoactivation of Sulfinic Acids to Access Hydrosulfonylation and Arylsulfonylation of Alkenes
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 2, 2025
Simple
and
atom-economical
hydrosulfonylation
arylsulfonylation
of
alkenes
have
been
developed
using
sulfinic
acid
as
both
the
sulfonyl
group
source
hydrogen
atom
donor
under
light
irradiation.
These
reactions
feature
catalyst-,
oxidant-,
additive-free
conditions,
offering
a
highly
practical
approach
for
synthesis
diversely
functionalized
sulfones.
Preliminary
mechanistic
studies
indicate
that
these
proceed
via
photoactivation
to
generate
radical,
followed
by
radical
chain
process.
Язык: Английский
Visible‐Light‐Initiated Uranyl‐Catalyzed Hydrosilylation and Hydrosulfonylation of Alkenes and Alkynes
Advanced Synthesis & Catalysis,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 27, 2024
Abstract
This
study
investigates
the
visible‐light‐initiated
uranyl(VI)‐catalyzed
activation
of
Si−H
bonds
through
direct
hydrogen
atom
transfer,
which
facilitates
formation
silyl
radicals
from
silanes.
The
radical
can
abstract
a
chlorine
sulfonyl
chloride,
leading
to
generation
radicals.
These
and
could
react
with
alkenes
alkynes,
achieving
first
example
uranyl‐catalyzed
hydrosilylation
hydrosulfonylation
unsaturated
C−C
bonds.
method
features
mild
reaction
conditions
broad
substrate
scope,
exhibits
exceptional
functional‐group
tolerance.
Consequently,
it
is
suitable
for
late‐stage
functionalization
drug
derivatives.
Язык: Английский