Overcoming High Reduction Potentials via Consecutive Mechanical-Force-Induced Electron Transfer Strategy
Abstract
Mechanical-force-induced
redox
catalysis
has
recently
advanced
rapidly,
emerging
as
a
green
and
innovative
tool
in
synthetic
chemistry.
The
foundation
of
this
strategy
lies
the
single
electron
transfer
(SET)
from
polarized
piezoelectric
materials
to
substrates,
which
is
initiated
by
potential
generated
through
mechanical
agitation.
magnitude
primarily
influenced
intrinsic
properties
material.
In
certain
circumstances,
however,
may
be
insufficient
trigger
SET
process,
akin
limitations
visible-light
excitation
photocatalytic
reactions.
This
challenge
motivated
us
explore
effective
solutions.
work,
we
establish
catalytic
system
that
utilizes
consecutive
mechanical-force-induced
(ConMET)
strategy.
novel
employs
mechanochemical
catalysts,
with
9-phenyl-dihydroacridine
(D1 )
serving
sacrificial
donors,
facilitating
produce
significantly
more
powerful
reductive
species
during
grinding.
Our
approach
effectively
promotes
reduction
aryl
iodides,
bromides
even
electron-rich
chlorides,
possess
potentials
high
−
2.8
V
(vs.
SCE),
leading
formation
radicals.
Ultimately,
enables
anti -Markovnikov
hydroarylation
alkenes
dehalogenative
deuteration
aromatic
halides
(Cl,
Br)
under
mild
conditions.

Research Square (Research Square), Год журнала: 2025, Номер unknown
Опубликована: Фев. 5, 2025
Язык: Английский