Photocatalyzed Annulation‐Biselenylation of Enynone with Diarylselenides toward Biselenium‐Substituted 1‐Indanones under Metal‐ and Photosensitizer‐Free Conditions
Hang‐Dong Zuo,
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Huafeng Yan,
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Yuting Wang
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et al.
Chinese Journal of Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
Comprehensive
Summary
A
practical
photocatalytic
annulation‐biselenylation
strategy
has
been
developed
for
the
efficient
synthesis
of
biselenium‐substituted
1‐indanones
(38
examples
in
total)
with
generally
good
yields
(up
to
95%)
and
excellent
stereoselectivity
(>19
:
1
Z
/
E
ratio)
by
employing
enynones
diaryl
selenides
as
starting
materials
under
photosensitizer‐free
conditions.
The
reaction
mechanism
involves
a
cascade
process
comprising
homolytic
cleavage,
radical
addition,
5‐
exo
‐
dig
cyclization,
capture,
enabling
sequential
formation
multiple
bonds,
such
C(sp
3
)‐Se,
)‐C(sp
2
),
)‐Se
rapidly
construct
molecular
complexity.
Notably,
this
approach
demonstrates
wide
substrate
compatibility
tolerability
towards
various
functional
groups.
It
is
further
characterized
its
remarkable
efficiency
creating
chemical
bonds
achieving
high
atomic
utilization
100%.
Language: Английский
Visible light-induced photocatalytic deoxyfluorination of benzyl alcohol using SF6 as a fluorinating reagent
Yifan Zhang,
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Shan Zhu,
No information about this author
Ya-Wen Zuo
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et al.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Synthesis
of
benzyl
fluorides
via
visible-light-induced
fluorination
using
SF
6
has
been
established,
exhibiting
a
broad
substrate
scope
and
high
efficiency.
Language: Английский
31P Nuclear Magnetic Resonance Spectroscopy for Monitoring Organic Reactions and Organic Compounds
The Chemical Record,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
31
P
NMR
spectroscopy
is
a
consolidated
tool
for
the
characterization
of
organophosphorus
compounds
and,
more
recently,
reaction
monitoring.
The
evolution
organic
synthesis,
mainly
due
to
combination
elaborated
building
blocks
with
enabling
technologies,
generated
great
challenges
understand
and
optimize
synthetic
methodologies.
In
this
sense,
experiments
also
became
routine
technique
monitoring,
accessing
products
side
yields,
chiral
recognition,
kinetic
data,
intermediates,
as
well
basic
parameters,
such
acid‐base
hydrogen‐bonding.
This
review
deals
these
aspects
demonstrating
essential
role
spectroscopy.
recent
publications
(the
last
ten
years)
will
be
explored,
discussing
strategies
accomplished
detect
and/or
quantify
distinct
molecules,
approaching
mechanism,
stability,
stereochemistry,
utility
probe.
Language: Английский
Visible-Light-Induced Synthesis of Azlactone Monomers and Dimers utilizing SF6 as both Condensation Agent and Oxidant
Organic Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
The
visible-light-mediated
continuous
dehydration
condensation
and
oxidative
radical
dimerization,
featuring
sulfur
hexafluoride
(SF
Language: Английский