The Chemical Record,
Год журнала:
2024,
Номер
24(7)
Опубликована: Июль 1, 2024
Abstract
Diorganyl
diselenides
have
emerged
as
privileged
structures
because
they
are
easy
to
prepare,
distinct
reactivity,
and
broad
biological
activity.
They
also
been
used
in
the
synthesis
of
natural
products
an
electrophile
organoselenylation
aromatic
systems
peptides,
reductions
alkenes,
nucleophilic
substitution.
This
review
summarizes
advancements
methods
for
transformations
promoted
by
diorganyl
main
functions
organic
chemistry.
Parallel,
it
will
describe
findings
on
pharmacology
toxicology
diselenides,
emphasizing
anti‐inflammatory,
hypoglycemic,
chemotherapeutic,
antimicrobial
activities.
Therefore,
examination
detailing
reactivity
characteristics
provides
valuable
insights
academic
researchers
industrial
professionals.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(10), С. 4926 - 4975
Опубликована: Янв. 1, 2024
In
search
for
the
perfect
wave(length).
This
review
is
dedicated
to
recent
efforts
in
development
of
visible
light
driven
photochemical
strategies
occurring
coloured
organic
compounds.
Organic Letters,
Год журнала:
2022,
Номер
24(18), С. 3307 - 3312
Опубликована: Апрель 29, 2022
A
powerful
and
environmentally
friendly
electrochemical
manganese-promoted
free
radical
selenylation
reaction
between
boronic
acids
diselenide
reagents
was
established.
This
protocol
provides
a
practically
applicable
way
to
series
of
valuable
organoselenium
compounds
with
the
use
easy
available
materials.
Mechanistic
experiments
implied
that
seleno-radical
formed
via
direct
or
indirect
oxidation
may
be
involved
as
key
species
in
this
transformation.
ACS Organic & Inorganic Au,
Год журнала:
2022,
Номер
2(6), С. 455 - 463
Опубликована: Авг. 19, 2022
Selenium-containing
organic
molecules
have
recently
found
a
plethora
of
applications,
ranging
from
synthesis
to
pharmacology
and
material
sciences.
In
view
these
concepts,
the
development
mild,
efficient,
general
protocols
for
formation
C–Se
bonds
is
desirable,
light
induced
approaches
are
appealing
ways.
The
aim
this
Review
provide
reader
with
most
recent
examples
promoted
selenylation
processes.
Advanced Synthesis & Catalysis,
Год журнала:
2023,
Номер
365(20), С. 3413 - 3431
Опубликована: Сен. 12, 2023
Abstract
Due
their
multifaced
applications,
the
access
to
organosulfur
derivatives
in
an
efficient
and
economical
way
is
a
challenge
organic
synthesis.
In
this
context
photochemistry
photocatalysis
play
crucial
role
development
of
innovative
(and
selective)
Carbon‐Sulphur
bond
formation
processes.
The
present
review
aims
collect
most
recent
strategies
achieve
target
under
visible
light
driven
conditions.
Advanced Synthesis & Catalysis,
Год журнала:
2023,
Номер
366(2), С. 168 - 182
Опубликована: Дек. 16, 2023
Abstract
Photoinduced
chemical
transformations
have
become
a
promising
aspect
of
organic
synthesis.
This
review
focuses
on
the
recent
advancements
in
harnessing
photoinduced
processes
for
formation
carbon‐chalcogen
(C−O,
C−S,
C−Se,
and
C−Te)
bonds
under
catalyst‐free
conditions.
These
pathways
typically
involve
either
radical
mechanism
or
creation
electron‐donor‐acceptor
(EDA)
complexes.
The
explores
intricacies
underlying
mechanisms,
discusses
limitations,
evaluates
applicability
various
methodologies
this
field.
Notably,
photocatalyst
transition
metal‐free
photochemical
reactions
offer
effective
alternatives
to
enhance
sustainability
research
area.
Advanced Synthesis & Catalysis,
Год журнала:
2021,
Номер
364(2), С. 420 - 425
Опубликована: Окт. 16, 2021
A
methodology
is
reported
for
visible-light-promoted
synthesis
of
unsymmetrical
chalcogenides
enabled
by
dimsyl
anion
in
the
absence
transition-metals
or
photoredox
catalysts.
The
cross-coupling
reaction
between
aryl
halides
and
diaryl
dichalcogenides
proceeds
with
electron-rich,
electron-poor,
heteroaromatic
moieties.
Mechanistic
investigations
using
UV-Vis
spectroscopy,
time-dependent
density
functional
theory
(TD-DFT)
calculations,
control
reactions
suggest
that
forms
an
electron-donor-acceptor
(EDA)
complex
capable
absorbing
blue
light,
leading
to
a
charge
transfer
responsible
generation
radicals
from
halides.
This
previously
unreported
mechanistic
pathway
may
be
applied
other
light-induced
transformations
performed
DMSO
presence
bases
Chinese Journal of Organic Chemistry,
Год журнала:
2021,
Номер
41(12), С. 4588 - 4588
Опубликована: Янв. 1, 2021
Selenium-containing
heterocycles
are
a
kind
of
important
organic
molecules,
which
widely
used
in
medicine,
agrochemicals,
materials
and
other
fields.Therefore,
the
introduction
selenium
atom
into
molecules
is
great
significance
synthetic
chemistry.Visible
light
electrochemical
technology
one
green
sustainable
synthesis
methods,
has
opened
up
broad
application
prospects
fields
bifunctionalization
cyclization
unsaturated
bonds
direct
functionalization
C-H
bonds.In
recent
years,
development
novel
reaction
using
photoelectric
to
drive
selenization
attracted
much
attention.Therefore,
this
paper
describes
electrochemical-driven
visible-light-induced
reactions
selenium-containing
heterocycles,
discusses
applicable
scope
mechanism
some
reactions.
Chemistry - A European Journal,
Год журнала:
2022,
Номер
28(26)
Опубликована: Март 23, 2022
We
present
an
environmentally
benign
methodology
for
the
covalent
functionalization
(arylation)
of
reduced
graphene
oxide
(rGO)
nanosheets
with
arylazo
sulfones.
A
variety
tagged
aryl
units
were
conveniently
accommodated
at
rGO
surface
via
visible-light
irradiation
suspensions
carbon
nanostructured
materials
in
aqueous
media.
Mild
reaction
conditions,
absence
photosensitizers,
functional
group
tolerance
and
high
atomic
fractions
(XPS
analysis)
represent
some
salient
features
characterizing
methodology.
Control
experiments
mechanistic
elucidation
(Raman
chemical
nanomanipulation
surfaces
are
also
reported.
An
electrochemical
method
for
selenylating
tetrahydroquinolines
with
diselenides
is
presented.
By
tuning
reaction
conditions,
C-3
selenylated
quinolines
and
C-6
can
be
selectively
synthesized
excellent
outcomes.