Chemistry - A European Journal,
Год журнала:
2023,
Номер
29(69)
Опубликована: Сен. 8, 2023
Homoleptic
[L-I-L]+
iodine(I)
complexes
(where
L
is
a
R3
R2
R1
N
tertiary
amine)
were
synthesized
via
the
[L-Ag-L]+
→
cation
exchange
reaction.
In
solution,
amines
form
[R3
N-Ag-NR1
]+
silver(I)
complexes,
which
crystallize
out
from
solution
as
meso-[L-Ag-L]+
characterized
by
X-ray
crystallography.
The
subsequent
analogues
extremely
reactive
and
could
not
be
isolated
in
solid
state.
Density
functional
theory
(DFT)
calculations
performed
to
study
Ag+
-N
I+
interaction
energies
with
former
ranging
-80
-100
kJ
mol-1
latter
-260
-279
.
crystal
structures
revealed
⋅⋅⋅Cπ
⋅⋅⋅H-C
short
contacts
between
flexible
N-alkyl/N-aryl
groups,
are
first
of
their
kind
such
precursor
complexes.
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Фев. 14, 2022
The
tremendous
success
of
stereogenic
carbon
compounds
has
never
ceased
to
inspire
researchers
explore
the
potentials
silicon
compounds.
Intermolecular
C-H
silylation
thus
represents
most
versatile
and
straightforward
strategy
construct
C-Si
bonds,
however,
its
enantioselective
variant
been
scarcely
reported
date.
Herein
we
report
a
protocol
that
allows
for
intermolecular
bond
silylation,
leading
construction
wide
array
acyclic
Si-H
under
simple
mild
reaction
conditions.
Key
is
(1)
substrate
design
prevents
self-reaction
prochiral
silane
(2)
employment
more
reactive
rhodium
hydride
([Rh]-H)
catalyst
as
opposed
commonly
used
chloride
([Rh]-Cl)
catalyst.
This
work
unveils
opportunities
in
converting
arenes
into
value-added
ACS Catalysis,
Год журнала:
2024,
Номер
14(7), С. 4856 - 4864
Опубликована: Март 18, 2024
Pyrroles
are
important
N-heterocycles
found
in
medicines
and
materials.
The
formation
of
pyrroles
from
widely
accessible
pyrrolidines
is
a
potentially
attractive
strategy
but
an
underdeveloped
approach
due
to
the
sensitivity
oxidative
conditions
required
achieve
such
transformation.
Herein,
we
report
catalytic
that
employs
commercially
available
B(C6F5)3
operationally
simple
procedure
allows
serve
as
direct
synthons
for
pyrroles.
Mechanistic
studies
have
revealed
insights
into
borane-catalyzed
dehydrogenative
processes.
Journal of the American Chemical Society,
Год журнала:
2021,
Номер
143(29), С. 11141 - 11151
Опубликована: Июль 19, 2021
Small-ring
silacycles
are
important
organosilane
species
in
main-group
chemistry
and
have
found
numerous
applications
organic
synthesis.
3-Silaazetidine,
a
unique
small
silacycle
bearing
silicon
nitrogen
atoms,
has
not
been
adequately
explored
due
to
the
lack
of
general
synthetic
scheme
its
sensitivity
air.
Here,
we
describe
that
3-silaazetidine
can
be
easily
prepared
situ
from
diverse
air-stable
precursors
(RSO2NHCH2SiR12CH2Cl).
3-Silaazetidine
shows
excellent
functional
group
tolerance
palladium-catalyzed
ring
expansion
reaction
with
terminal
alkynes,
giving
3-silatetrahydropyridines
silaazacycle
derivatives,
which
promising
frameworks
for
discovery
Si-containing
molecules.
Organic Chemistry Frontiers,
Год журнала:
2021,
Номер
8(21), С. 5941 - 5947
Опубликована: Янв. 1, 2021
Asymmetric
total
synthesis
of
(−)-sila-mesembranol,
the
silicon
analog
natural
alkaloid
(−)-mesembranol
has
been
achieved
in
3.3%
yield
over
11
steps.
The
synthetic
(−)-sila-mesembranol
mice
exhibits
better
antidepressant
effects
than
its
carbon
counterpart.
Abstract
Organosilanes
play
an
important
role
in
organic
synthesis
as
well
a
variety
of
further
areas,
ranging
from
life
science
to
transportation.
Especially,
the
electrochemical
access
has
become
increasingly
past
years
and
developed
into
essential
topic
due
new
conceptual
approaches
mediated
reaction
control.
With
commercial
availability
high‐quality
equipment,
technical
requirements
for
electro‐conversion
are
at
hand
wide
audience.
This
results
need
concise
survey
silane
transformation,
appropriate
novices
experts
alike.
review
provides
overview
most
relevant
work
this
field,
identifies
common
obstacles
working
with
chlorosilanes
hydrosilanes
bridges
gap
between
known
techniques
novel
methods
respect
their
conversion.
The
historical
development
is
outlined
reference
various
cathodic
anodic
conversions
should
encourage
expand
research
field
transformation.
Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(21), С. 4393 - 4397
Опубликована: Янв. 1, 2023
Herein,
we
describe
a
B(C
6
F
5
)
3
-catalyzed
redox-neutral
β-functionalization
of
tertiary
amines
with
cyclic-ketimines,
achieving
various
1,3-diamines
containing
the
indolin-3-one
moiety
via
borrowing
hydrogen
strategy.
