The Journal of Organic Chemistry,
Год журнала:
2023,
Номер
88(11), С. 7245 - 7255
Опубликована: Май 23, 2023
A
cascade
selenylation/cyclization
of
dienes
with
diselenides
has
been
realized
under
visible-light
irradiation
or
electrolysis
conditions.
Employing
O2
electricity
as
a
"green"
oxidant,
this
protocol
provides
green
and
efficient
method
for
an
array
biologically
important
seleno-benzo[b]azepine
derivatives
in
moderate
to
good
yields.
The
direct
sunlight
gram-scale
reaction
render
the
approach
practical
attractive.
Chemical Reviews,
Год журнала:
2019,
Номер
119(14), С. 8701 - 8780
Опубликована: Июнь 25, 2019
Organosulfur
compounds
have
long
played
a
vital
role
in
organic
chemistry
and
the
development
of
novel
chemical
structures
architectures.
Prominent
among
these
organosulfur
are
those
involving
sulfur(IV)
center,
which
been
subject
countless
investigations
over
more
than
hundred
years.
In
addition
to
list
textbook
sulfur-based
reactions,
there
has
sustained
interest
organosulfur(IV)
recent
Of
particular
within
is
ease
with
synthetic
chemist
can
effect
wide
range
transformations
through
either
bond
formation
or
cleavage
at
sulfur.
This
review
aims
cover
developments
past
decade
molecules
provide
insight
into
both
reactions
critically
rely
on
this
versatile
element
diverse
scaffolds
that
thereby
be
synthesized.
Organic Chemistry Frontiers,
Год журнала:
2021,
Номер
8(6), С. 1345 - 1363
Опубликована: Янв. 1, 2021
This
review
is
devoted
to
highlighting
main
achievements
in
the
development
of
cascade
radical
cyclization
acceptors
for
synthesis
carbo-
and
heterocycles.
Chemistry - An Asian Journal,
Год журнала:
2018,
Номер
13(20), С. 2958 - 2977
Опубликована: Авг. 15, 2018
Over
the
past
few
years,
development
of
new
radical
reactions
has
gained
considerable
momentum.
Most
such
transformations
heavily
depend
on
in
situ
generation
reactive
species,
initiated
by
oxidants,
metal
salts,
visible-light
photocatalysis,
or
electrocatalysis.
In
this
context,
numerous
radical-enabled
bicyclization
and
annulation/1,n-bifunctionalization
have
been
developed,
thereby
providing
efficient
synthetic
strategies
for
assembly
functionalized
cyclic
rings
that
contain
both
heterocyclic
isocyclic
skeletons.
Focus
Review,
we
highlight
recent
progress
rapidly
growing
area
presenting
a
series
catalytic
oxidative
reactions,
along
with
their
reaction
mechanisms
applications.
Green Chemistry,
Год журнала:
2019,
Номер
21(10), С. 2670 - 2676
Опубликована: Янв. 1, 2019
Here,
a
unique
visible-light-induced
method
for
the
organochalcogenation
of
sp2
C–H
bonds
indoles
and
aniline
has
been
presented
using
diaryl
dichalcogenides
(S,
Se,
Te)
oxygen
as
an
oxidant
avoiding
photocatalyst,
base,
catalyst,
reagent
in
acetone.
Advanced Synthesis & Catalysis,
Год журнала:
2018,
Номер
360(20), С. 3969 - 3977
Опубликована: Авг. 3, 2018
Abstract
Disclosed
herein
is
a
direct
C−H
trifluoromethylation
of
quinoxalin‐2(1
H
)‐ones
with
sodium
trifluoromethanesulfinate.
This
protocol
affords
series
3‐trifluoromethylquinoxalin‐2(1
)‐one
derivatives
in
moderate
to
excellent
yields
under
transition‐metal‐free
conditions.
The
present
methodology
features
utilization
the
inexpensive
trifluoromethyl
source
without
transition‐metal‐catalysts,
mild
reaction
conditions
and
high
functional
group
tolerance,
which
promises
convenient
efficient
access
pharmaceutically
interesting
quinoxalinones.
magnified
image
Beilstein Journal of Organic Chemistry,
Год журнала:
2018,
Номер
14, С. 2035 - 2064
Опубликована: Авг. 3, 2018
The
focus
of
this
review
is
to
provide
an
overview
the
field
organocatalysed
photoredox
chemistry
relevant
synthetic
medicinal
chemistry.
Photoredox
transformations
have
been
shown
enable
key
that
are
important
pharmaceutical
industry.
This
type
has
also
demonstrated
a
high
degree
sustainability,
especially
when
organic
dyes
can
be
employed
in
place
often
toxic
and
environmentally
damaging
transition
metals.
sections
arranged
according
general
class
presented
reactions
value
these
methods
considered.
An
characteristics
photocatalysts
as
well
some
electrochemical
data
presented.
In
addition,
reaction
mechanisms
for
discussed
individual
mechanistic
considerations
highlighted
text
appropriate.
Green Chemistry,
Год журнала:
2018,
Номер
20(6), С. 1233 - 1237
Опубликована: Янв. 1, 2018
A
new
photocatalyst
attached
to
the
designer
surfactant
PQS
has
been
developed
that
self-aggregates
into
micelles,
thereby
enabling
photoredox
catalysis
conducted
in
water
at
room
temperature
without
any
additives
or
co-solvents.
Organic Chemistry Frontiers,
Год журнала:
2018,
Номер
5(17), С. 2573 - 2577
Опубликована: Янв. 1, 2018
An
electro-generated
trifluoromethyl
radical
mediated
by
a
bromide
ion
is
efficiently
applied
to
the
trifluoromethylarylation/cyclization
of
N-arylacrylamides.
