Synthesis,
Год журнала:
2023,
Номер
55(18), С. 2833 - 2842
Опубликована: Янв. 26, 2023
Abstract
Selective
functionalization
via
cleavage
of
the
C–N
bond
amines
has
proven
to
be
challenging
partly
because
its
relatively
high
dissociation
energy,
even
though
are
abundant
and
readily
available.
To
meet
this
challenge,
many
new
transformations
based
on
pre-activation
before
have
been
developed.
Among
them,
conversion
into
quaternary
ammonium
salts
certain
advantages,
such
as
easy
preparation
from
primary,
secondary,
or
tertiary
amines,
well
stable
storage
usage.
Although
transition
metal
catalysis
frequently
applied
for
developing
oxidative
addition
salts,
recent
studies
shown
a
dimension
by
using
green
electro-
photochemical
tools.
In
short
review,
advances
in
electro-,
photo-,
photoelectrochemical
driven
synthetic
applications
summarized
discussed.
1
Introduction
2
Electrochemical
Driven
Transformations
3
Photochemical
4
Photoelectrochemical
5
Conclusion
Outlook
Advanced Synthesis & Catalysis,
Год журнала:
2023,
Номер
365(5), С. 687 - 692
Опубликована: Фев. 8, 2023
Abstract
An
iron(II)‐catalyzed
three‐component
reaction
was
developed
for
the
construction
of
trichloromethylated
3‐benzylquinoxalin‐2(1
H
)‐ones.
This
conducted
through
trichloromethylation
alkenes
with
quinoxalin‐2(1
)‐ones
using
commercially
available
chloroform
as
trichloromethyl
radical
source,
which
provided
a
convenient
approach
toward
magnified
image
Organic Chemistry Frontiers,
Год журнала:
2023,
Номер
11(1), С. 135 - 141
Опубликована: Ноя. 21, 2023
A
visible-light-induced
one-pot
three-component
reaction
of
cycloketone
oxime
esters,
NH-sulfoximines,
and
alkenes
was
developed
for
the
difunctionalization
alkenes.
The Journal of Organic Chemistry,
Год журнала:
2023,
Номер
88(13), С. 8360 - 8368
Опубликована: Июнь 1, 2023
A
1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene
(4-CzIPN)-photocatalyzed
cascade
arylation/cyclization
reaction
of
2-isocyanobiaryls
and
iodonium
ylides
was
established
for
the
synthesis
6-arylated
phenanthridines.
This
is
first
example
employing
as
aryl
radical
sources
in
a
visible-light-induced
cyclization
reaction.
Green Chemistry,
Год журнала:
2023,
Номер
25(15), С. 6009 - 6013
Опубликована: Янв. 1, 2023
A
visible-light-induced
trifluoromethylalkynylation
of
1,6-dialkenes
was
developed
under
transition-metal-free
and
photocatalyst-free
conditions,
enabling
the
construction
three
C–C
bonds
in
a
single
preparation
step.
Organic Letters,
Год журнала:
2023,
Номер
25(45), С. 8067 - 8071
Опубликована: Ноя. 8, 2023
A
visible-light-induced
β-acyl
difunctionalization
of
alkenes
with
acyl
oxime
esters
and
various
nucleophiles
was
developed
to
achieve
molecular
complexity
from
readily
available
raw
materials
via
oxidative
radical-polar
crossover.
variety
nucleophiles,
including
NH-sulfoximines,
indoles,
indazole,
trimethoxybenzene,
were
all
effectively
applicable
the
sustainable
reaction
system.
The
novel
synthetic
strategy
features
mild
conditions,
a
broad
substrate
scope
(39
examples),
easy
scale-up,
excellent
regioselectivity.
Organic Letters,
Год журнала:
2023,
Номер
25(20), С. 3800 - 3805
Опубликована: Май 17, 2023
A
visible-light
induced
direct
C(sp3)-H
functionalization
of
alkylarenes
with
trifluoromethyl
ketones
has
been
reported
to
access
valuable
benzyl-substituted
alcohols
in
a
stoichiometric
manner.
Readily
available
petroleum-derived
are
employed
as
latent
benzylation
reagents.
With
bromine
radical
the
hydrogen
atom
transfer
reagent,
primary,
secondary,
and
tertiary
benzyl
C–H
bonds
suitable
coupling
partners.
Additionally,
late-stage
modification
bioactive
molecules
highlights
potential
application
this
approach.