Highly regio- and stereo-controlled synthesis of (Z)-4-(trifluoromethyl)-3-(phenylthio)-1-substituted-but-3-en-1-ynes via hydroalkynylation of alkynyl thioethers
Akihiro Koga,
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Takeshi Hanamoto
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Organic & Biomolecular Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
We
carried
out
the
first
reaction
of
palladium-catalyzed
hydroalkynylation
alkynylthioethers
with
terminal
acetylenes.
Language: Английский
Sodium Poly(heptazine imide)-Enabled Oxytrifluoromethylation of Alkenes for the Synthesis of α-CF3 Ketones
Chen Bao,
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Xinyu Zhu,
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Mengying Xu
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et al.
The Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 29, 2025
This
paper
describes
a
NaPHI-catalyzed
oxytrifluoromethylation
of
olefins
under
photoirradiation.
The
reaction
is
applicable
for
the
synthesis
α-trifluoromethyl
ketones,
which
could
be
structurally
elaborated
into
an
array
useful
scaffolds.
Mechanistic
studies
suggested
that
photoexcited
NaPHI*
facilitate
formation
singlet
1O2
through
EnT
process,
thus
enabling
difunctionalization
with
trifluoromethyl
radical
and
oxygen
anion
species.
Language: Английский