Electron-Donor-Mediated Divergent Transformation of Br–RF via EDA Complex for the Synthesis of Fluorine-Containing Oxindoles and Amides
Organic Letters,
Год журнала:
2024,
Номер
26(46), С. 9990 - 9995
Опубликована: Ноя. 11, 2024
We
have
developed
an
unprecedented
electron-donor-controlled
divergent
reaction
between
Язык: Английский
Photoinduced Single Electron Reduction of the 4‐O‐5 Linkage in Lignin Models for C‐P Coupling Catalyzed by Bifunctional N‐Heterocyclic Carbenes
Qiang Liu,
Ying‐Zheng Ren,
Bei‐Bei Zhang
и другие.
Advanced Science,
Год журнала:
2024,
Номер
11(38)
Опубликована: Авг. 5, 2024
Abstract
Catalytic
activation
of
C
aryl
‐O
bonds
is
considered
as
a
powerful
strategy
for
the
production
aromatics
from
lignin.
However,
due
to
high
reduction
potentials
diaryl
ether
4‐O‐5
linkage
models,
their
single
electron
remains
daunting
challenge.
This
study
presents
blue
light‐induced
bifunctional
N‐heterocyclic
carbene
(NHC)‐catalyzed
one‐electron
models
synthesis
trivalent
phosphines.
The
H‐bond
between
newly
devised
NHC
and
ethers
responsible
success
transfer.
Furthermore,
this
approach
demonstrates
selective
unsymmetric
ethers,
oligomeric
phenylene
oxide,
lignin
model.
Язык: Английский
Thianthrenation-Promoted Photoinduced Alkene Difunctionalization and Aryl Allylation with Morita-Baylis-Hillman Adducts
Chemical Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
An
organophotoredox-catalyzed
alkoxyallylation
of
feed-stock
olefins,
through
thianthrenation
using
a
Morita–Baylis–Hillman
adduct
as
an
allylating
agent,
is
described.
Язык: Английский
Photocatalytic Alkene-Migrative Chain Elongation of 2-Phosphinostyrenes with Aldehydes
Organic Letters,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 28, 2024
The
photocatalytic
alkene-migrative
chain
elongation
reaction
of
2-phosphinostyrenes
with
aldehydes
under
mild
conditions
in
response
to
blue
light
was
demonstrated.
A
broad
range
aldehydes,
both
aliphatic
and
aromatic,
participated
this
afford
alkene-phosphine
oxides
a
Z-selective
manner.
Mechanistic
experiments
suggested
the
formation
benzophospholene-based
ylide
intermediates
via
cyclization
phosphinostyrenes
followed
by
solvent-mediated
proton
transfer
base-free
conditions.
Язык: Английский