Photoreactions of Semi-Stiff-Diarylethenes Based on the Cyclohexenol Motif
Ekaterina S. Sergeeva,
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Anastasia A. Svistova,
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Igor Ushakov
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et al.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
26(37), P. 7841 - 7846
Published: Sept. 5, 2024
Nonsymmetric
diarylethenes
with
an
additional
"stiff"
cyclohexenol
ring
undergo
various
types
of
tandem
transformations
launched
by
light-induced
6π-photocyclization.
Among
these,
there
are
two
novel
reactions
(formal
[1,3]-H
migration
and
complete
aromatization
to
anthracene
derivative)
as
well
photorearrangement
formal
methane
elimination.
This
diverse
reactivity
demonstrates
the
great
potential
Language: Английский
Visible-light induced Mallory reaction of tertiary benzanilides via iminium intermediates
Xiaoqiang Ma,
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Si Wang,
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Zhanyong Tang
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et al.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
The
Mallory
reaction,
which
involves
the
photocyclization
of
stilbenes/diarylethenes
and
their
analogues
into
polycyclic
aromatics,
is
significant
synthetic
importance.
However,
its
application
to
tertiary
benzanilides
has
not
been
explored
date.
Besides,
most
reported
reactions
require
ultraviolet
irradiation.
In
this
study,
we
show
first
reaction
promoted
by
visible
light
Language: Английский