Photoredox/NHC cooperative catalysis for alkylacylation of styrenes: An alternative method for the synthesis of γ-aminoketones
Ke-Yang Yu,
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Fu Cheng,
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Dong-Sen Duan
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et al.
Tetrahedron Letters,
Journal Year:
2025,
Volume and Issue:
156, P. 155450 - 155450
Published: Jan. 8, 2025
Language: Английский
Remote C(sp3)–H Carboxylation with CO2 via Visible-Light-Catalyzed 1,5-Hydrogen Atom Transfer
Haoran Huang,
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Xiaoyu Lin,
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Fanyuanhang Yang
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et al.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
The
direct
carboxylation
of
C(sp3)–H
bonds
with
CO2
represents
a
challenging
but
highly
attractive
strategy
in
organic
synthesis.
In
this
study,
we
presented
visible-light-catalyzed
for
carboxylating
remote
via
aryl
radical
induced
1,5-hydrogen
atom
transfer.
This
transformation
involves
generating
alkyl
radicals
transfer
from
radicals,
forming
carbanions
as
key
intermediates,
and
subsequent
nucleophilic
attack
CO2,
thereby
enabling
access
to
variety
tertiary
quaternary
carboxylic
acids
moderate
good
yields.
Language: Английский