Russian Chemical Reviews,
Год журнала:
2024,
Номер
93(11), С. RCR5140 - RCR5140
Опубликована: Окт. 30, 2024
The
urgency
of
improving
the
efficiency
known
methods
and
developing
new
ones
for
synthesis
unsaturated
silanes
is
caused
by
need
to
obtain
useful
compounds,
including
biologically
active
ones,
on
their
basis.
This
review
considers
preparation
silanes,
transformations
prospects
use
as
precursors
in
organic
organoelement
synthesis.
A
large
number
substituted
organosilicon
products
are
given,
those
capable
further
functionalization
formation
heterocycles,
silaheterocycles.<br>
bibliography
includes
205
references.
Organic Letters,
Год журнала:
2024,
Номер
26(5), С. 1011 - 1016
Опубликована: Янв. 30, 2024
A
novel
strategy
was
developed
to
generate
silyl
radicals
from
silylboronic
pinacol
esters
(SPEs)
through
nucleohomolytic
substitution
of
boron
with
aminyl
radicals.
We
successfully
applied
this
obtain
diverse
organosilicon
compounds
using
SPEs
and
N-nitrosamines
under
photoirradiation
without
any
catalyst.
The
ability
access
offers
a
new
perspective
for
chemists
rapidly
construct
Si–X
bonds.
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(12), С. 3485 - 3490
Опубликована: Янв. 1, 2024
Herein,
we
report
electrochemically
mediated
trifluoromethylallene
synthesis
via
the
rearrangement
of
trifluoromethyl-containing
1,3-enynes
under
action
silicon
or
boron
radicals,
with
good
selectivity
and
without
external
oxidants.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Май 17, 2025
Allenyl
silanes
and
boronates
are
pivotal
building
blocks
in
organic
synthesis.
Nevertheless,
their
synthesis
requires
the
manipulation
of
transition
metal
or
highly
reactive
species.
Hence,
development
more
sustainable
protocol
is
sought
after.
Here
we
show
electrochemical
allenyl
boronic
esters.
This
catalyst-free
method
proceeds
under
mild
reaction
conditions.
The
for
shows
an
excellent
efficiency
a
good
functional
group
tolerance.
isolated
yields
(28
examples,
45-95%
yields)
without
use
catalyst
A
similar
developed
boronates,
which
obtained
low
to
moderate
(13
5-55%
yields).
Finally,
mechanism
based
on
oxidative
generation
silyl
boryl
radicals
suggested
access
these
classes
allenes.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(66)
Опубликована: Окт. 16, 2024
Abstract
Carboxylic
acids
are
attractive
synthetic
feedstocks
with
stable,
non‐toxic,
and
inexpensive
properties
that
can
be
easily
obtained
from
natural
sources
or
through
synthesis.
have
long
been
considered
environmentally
friendly
coupling
agents
in
various
organic
transformations.
In
recent
years,
electrochemically
mediated
decarboxylation
reactions
of
decarboxylic
their
derivatives
(NHPI)
emerged
as
effective
new
methods
for
constructing
carbon‐carbon
carbon‐heterocarbon
chemical
bonds.
Compared
transition
metal
photochemistry‐mediated
catalytic
reactions,
which
do
not
require
the
addition
oxidants
strong
bases,
electrochemically‐mediated
decarboxylative
transformations
a
sustainable
strategy.
addition,
functional
groups
tolerate
electrochemical
conversion
strategy
well.
Here,
we
summarize
to
better
elucidate
advantages
reactions.
Advanced Synthesis & Catalysis,
Год журнала:
2024,
Номер
366(11), С. 2602 - 2606
Опубликована: Апрель 13, 2024
Abstract
This
study
reports
the
copper‐catalyzed
α‐indolmethylation
of
2‐pyridylacetates
with
3‐indoleacetic
acids.
reaction
offers
an
approach
to
generating
alkylideneindolenine
electrophiles
via
oxidative
decarboxylation
The
developed
system
demonstrates
good
versatility,
extending
beyond
indolmethylation
include
activated
esters
and
nitroalkanes.
Moreover,
a
biological
evaluation
revealed
that
several
products
exhibited
antiproliferative
activity
against
different
cancer
cell
lines.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Ноя. 25, 2024
α-Functionalized
Si-,
Ge-,
B-,
Se-,
and
S-amide
moieties
are
present
in
many
medicinally
active
molecules,
but
their
synthesis
remains
challenging.
Here,
we
demonstrate
a
high-throughput
using
amide-sulfoxonium
ylides
as
carbene
precursors
Si-H,
Ge-H,
B-H,
Se-H,
S-H
insertion
reactions
to
target
wide
range
of
α-silyl,
α-geryl,
α-boryl,
α-selenyl,
α-sulfur
(hetero)amides.
The
process
is
featured
simple
operation,
mild
conditions,
broad
substrate
scope,
high
functional
group
compatibility,
excellent
chemoselectivity.
Both
experimental
computational
studies
conducted
explore
the
mechanisms
underlying
formation
C-Si/Ge/B/Se/S
bond.
This
research
highlights
use
highly
selective
X-H
with
ylide-derived
carbenes,
paving
way
for
preparation
diverse
organosilane,
organogermane,
organoboron,
organoselenium,
organosulfur
compounds
from
accessible
bench-stable
precursors.
ACS Catalysis,
Год журнала:
2024,
Номер
unknown, С. 18542 - 18549
Опубликована: Дек. 5, 2024
We
herein
develop
an
innovative
approach
for
the
decarbonylative
silylation
using
a
molecular
[Ru(dcbpy)(bpy)2]2+
(dcbpy
=
2,2′-bipyridyl-5,5′-dicarboxylic
acid;
bpy
2,2′-bipyridine)
incorporated
UiO-67
metal–organic
framework
(MOFs)
(denoted
as
UiO-67-Ru)
powerful
heterogeneous
catalyst,
which
is
then
applied
in
reaction
of
abundantly
available
cinnamaldehydes
with
silanes
under
photothermal
condition.
Mechanistic
studies
reveal
that
silane
can
be
absorbed
and
activated
within
cavities
framework,
leading
to
generation
silyl
radical.
The
radical
plays
key
role
process
further
goes
through
oxidative
generate
corresponding
alkenyl
silanes.
This
work
not
only
develops
strategy
preparation
from
highly
abundant
cinnamaldehyde
but
also
affords
useful
inspiration
on
rational
design
MOFs
materials
silylation.
