Asian Journal of Organic Chemistry,
Год журнала:
2022,
Номер
11(2)
Опубликована: Янв. 21, 2022
Abstract
An
efficient
iron‐catalyzed
allylation
of
cycloalkyl
hydroperoxides
with
allylic
sulfones
via
C−C
bond
cleavage
is
presented.
This
protocol
provides
an
approach
to
a
wide
range
distally
allylated
ketones
good
functional
group
tolerance
and
high
regioselectivity
under
redox‐neutral
conditions.
Preliminary
mechanistic
study
implies
radical
process
might
be
involved
in
this
reaction.
Chemical Reviews,
Год журнала:
2022,
Номер
122(21), С. 16110 - 16293
Опубликована: Сен. 16, 2022
In
the
present
review,
we
discuss
recent
progress
in
field
of
C–Z
bond
formation
reactions
(Z
=
S,
Se,
Te)
catalyzed
by
transition
metals.
Two
complementary
methodologies
are
considered─catalytic
cross-coupling
and
catalytic
addition
reactions.
The
development
advanced
systems
is
aimed
at
improved
catalyst
efficiency,
reduced
loading,
better
cost
environmental
concerns,
higher
selectivity
yields.
important
rise
research
efforts
sustainability
green
chemistry
areas
critically
assessed.
paramount
role
mechanistic
studies
a
new
generation
addressed,
key
achievements,
problems,
challenges
summarized
for
this
field.
Trends in Chemistry,
Год журнала:
2023,
Номер
5(3), С. 174 - 200
Опубликована: Фев. 14, 2023
Organic
peroxides
are
becoming
popular
intermediates
for
novel
chemical
transformations.
The
weak
O-O
bond
is
readily
reduced
by
transition
metals,
including
iron
and
copper,
to
initiate
a
radical
cascade
process
that
breaks
C-C
bonds.
Great
potential
exists
the
rapid
generation
of
complexity,
originating
from
ability
couple
resulting
free
radicals
with
wide
range
partners.
First,
this
review
article
discusses
history
synthesis
organic
peroxides,
providing
context
necessary
understand
methodology.
Then,
it
highlights
91
examples
recent
applications
functionalization
bonds
accessed
through
metal-mediated
reduction
peroxides.
Finally,
we
provide
some
comments
about
safety
when
working
Green Synthesis and Catalysis,
Год журнала:
2022,
Номер
4(3), С. 226 - 230
Опубликована: Апрель 12, 2022
Using
visible
light
as
energy
to
form
free
radicals
has
important
synthetic
value.
A
novel
and
efficient
visible-light-mediated
strategy
been
developed
for
the
generation
of
thiobenzene
through
cerium-catalyzed
activation
disulfides.
Through
this
photochemical
reaction,
various
3-sulfenylated
quinoxalin-2(1H)-ones
can
be
conveniently
obtained
in
good
yields
with
functional
group
tolerance.
Our
transformation
provides
an
alternative
that
allows
rapid
access
C3
sulfenylated
a
sustainable
practical
manner.
Chemical Communications,
Год журнала:
2023,
Номер
59(42), С. 6367 - 6370
Опубликована: Янв. 1, 2023
An
efficient
protocol
has
been
developed
herein
for
the
site-selective
alkylation
of
silyl
enol
ethers
with
arylsulfonium
salts
giving
access
to
valuable
aryl
alkyl
thioethers
under
visible
light
conditions.
Enabled
by
copper
(I)
photocatalysis,
C-S
bond
can
be
selectively
cleaved
deliver
C-centered
radicals
mild
This
method
provides
a
straightforward
approach
utilize
as
sulfur
sources
synthesis
thioethers.
Organic & Biomolecular Chemistry,
Год журнала:
2022,
Номер
20(31), С. 6072 - 6177
Опубликована: Янв. 1, 2022
Transition
metal
catalysed
C–S
bond
formation
from
unreactive
C–H
bonds
is
a
remarkable
tool
in
the
late-stage
functionalization
of
complex
molecules.
This
review
highlights
significant
advances
and
mechanistic
analyses
last
two
decades.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 16, 2025
This
is
the
first
report
for
C-Se
bond
formation
involving
reaction
of
aryl
halides
with
arylboronic
acid
and
selenium
powder
to
synthesis
unsymmetrical
diaryl
selenides
in
presence
CuI
as
a
homogeneous
catalyst.
A
wide
range
react
various
substituted
groups
under
optimal
conditions
provide
desired
good
high
yields.
Also,
same
reactions
were
investigated
M-MCF@Gua-Cu
reusable
magnetic
nanocatalyst
conditions.
The
catalyst
allows
simpler
(easy
work-up)
greener
methodology.
In
addition,
advantages
presented
method
include
use
acid/Se
safe
cost-effective
arylselenating
system,
simplicity
operation,
green
cheap
solvent.
Organic Letters,
Год журнала:
2023,
Номер
25(6), С. 928 - 932
Опубликована: Фев. 2, 2023
A
facile
and
efficient
nickel-catalyzed
C-C
bond
cleavage/phosphorylation
of
various
cycloalkyl
hydroperoxides
was
developed.
This
radical
ring-opening
strategy
provided
practical
access
to
structurally
diverse
distal
ketophosphine
oxides
in
one
pot
through
concurrent
C═O/C-P
formation
with
high
atom
economy
under
mild
room
temperature
base-free
conditions.
Abstract
Transition‐metal‐catalyzed
radical
relay
cross‐coupling
reactions
of
1,3‐dienes
have
recently
emerged
as
one
the
most
powerful
methods
for
construction
structurally
diverse
allylic
compound
in
a
single
chemical
step.
However,
there
still
has
been
limited
success
expanding
substrate
scope
precursors
and
coupling
partners,
well
exploring
catalytic
asymmetric
variants.
Herein,
we
report
copper‐catalyzed
enantioselective
three‐component
1,2‐alkylesterification
using
cycloalkyl
hydroperoxides
carbonyl‐containing
alkyl
sources
carboxylic
acids
O‐nucleophiles
under
mild
redox‐neutral
conditions.
This
protocol
features
broad
good
functional
group
tolerance
with
respect
to
each
component,
providing
practical
access
variety
distally
keto‐functionalized
esters
high
enantioselectivity.
Mechanistic
studies
suggest
involvement
sequential
C−O
this
reaction.
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(8), С. 5851 - 5856
Опубликована: Апрель 8, 2024
Herein,
an
iodine-promoted
reductive
sulfenylation
reaction
of
ketones
with
disulfides
has
been
developed.
This
method
provides
approach
for
synthesizing
unsymmetrical
alkyl–alkyl
and
alkyl–aryl
sulfides
in
a
single
step.
Investigation
the
mechanism
revealed
that
play
dual
role
this
process.
They
react
to
produce
vinyl
thioethers
act
as
effective
organic
hydride
donors,
reducing
number
are
formed
situ.
study
expands
range
applications
chemical
synthesis.
