Gold-Catalyzed 1,2-Carboxyarylation of Alkenes
Tanmayee Nanda,
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Avishek Das,
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Prafulla Bera
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et al.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 24, 2025
Herein,
we
disclose
an
unprecedented
gold-catalyzed
1,2-carboxyarylation
of
alkenes
through
ligand-enabled
Au(I)/Au(III)
catalysis.
Unlike
other
approaches
for
the
arylative
functionalization
C-C
multiple
bonds,
attempts
to
utilize
weak
nucleophiles
such
as
carboxylate
anions
were
unsuccessful.
The
key
achieving
this
transformation
is
use
a
1,3-diketone-appended
alkene,
which
undergoes
oxyarylation
followed
by
retro-aldol
reaction
afford
product.
Detailed
mechanistic
investigations
conducted
support
proposed
mechanism.
Language: Английский
Synthesis of α-ketoamides via oxidative amidation of Diazo Compounds with O-benzoyl hydroxylamines as Nitrogen Source and Oxidant
Organic & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
22(33), P. 6708 - 6712
Published: Jan. 1, 2024
An
efficient
method
for
the
construction
of
an
array
α-ketoamides
has
been
described
from
readily
available
O
-benzoyl
hydroxylamines
and
diazo
compounds
as
starting
materials
by
combined
use
CuI
a
catalyst
H
2
oxygen
source.
Language: Английский