Advances in the Synthesis of α-Trifluoromethyl Ketones and Their Application via Defluorinative Reactions
Chinese Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
45(1), P. 86 - 86
Published: Jan. 1, 2025
Language: Английский
Nickel-catalysed highly regioselective synthesis of β-acyl naphthalenes under reductive conditions
Yujuan Wu,
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Chen Ma,
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Jia-Fan Qiao
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et al.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(44), P. 5723 - 5726
Published: Jan. 1, 2024
A
nickel-catalysed
reductive
ring-opening
reaction
of
7-oxabenzonorbornadienes
with
acyl
chlorides
as
the
electrophilic
coupling
partner
was
developed,
generating
β-acyl
naphthalene
unique
product
without
any
α
iso.
Language: Английский
Transition-Metal-Free Hydrodefluoroamination of Trifluoromethyl Enones for the Synthesis of α-Fluoroenamides
Ya‐Fei Hu,
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M Kellis,
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Ming-Yao Tang
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et al.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(14), P. 10299 - 10310
Published: July 2, 2024
A
three-component
strategy
was
developed
to
enable
hydrodefluoroamination
of
β-trifluoromethyl
enones
by
selectively
activating
two
C(sp3)-F
bonds
in
the
trifluoromethyl
group.
The
method
involved
a
sequence
carbonyl
reduction,
hydrodefluorination,
and
defluoroamination
under
transition-metal-free
conditions.
Synthetically
useful
(E)-stereospecific
α-fluoroenamides
were
obtained
good
yields
with
diverse
functional
group
tolerance,
which
could
be
easily
transformed
into
valuable
organofluorides
heterocycles.
auxiliary
exerts
both
electronic
steric
impacts
on
CF3-alkenes,
allowing
for
controllable
selective
defluorination.
Language: Английский
Nickel-Catalyzed Reductive Cyanation of Aryl Halides and Epoxides with Cyanogen Bromide
Yujuan Wu,
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Chen Ma,
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Muhammad Bılal
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et al.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 6016 - 6016
Published: Dec. 20, 2024
Nitriles
are
valuable
compounds
because
they
have
widespread
applications
in
organic
chemistry.
This
report
details
the
nickel-catalyzed
reductive
cyanation
of
aryl
halides
and
epoxides
with
cyanogen
bromide
for
synthesis
nitriles.
robust
protocol
underscores
practicality
using
a
commercially
available
cost-effective
reagent.
A
variety
featuring
diverse
functional
groups,
such
as
-TMS,
-Bpin,
-OH,
-NH2,
-CN,
-CHO,
were
successfully
converted
into
nitriles
moderate-to-good
yields.
Moreover,
syntheses
at
gram-scale
application
late-stage
natural
products
drugs
reinforces
its
potentiality.
Language: Английский