Chemistry - A European Journal,
Год журнала:
2023,
Номер
30(11)
Опубликована: Дек. 20, 2023
Abstract
When
bismuth
atoms
are
incorporated
into
cyclic
organic
systems,
this
commonly
goes
along
with
strained
or
distorted
molecular
geometries,
which
can
be
exploited
to
modulate
the
physical
and
chemical
properties
of
these
compounds.
In
six‐membered
heterocycles,
often
accompanied
by
oxygen,
sulfur
nitrogen
as
a
second
hetero‐element.
work,
we
present
first
examples
rings,
in
two
CH
units
replaced
BiX
moieties
(X=Cl,
Br,
I),
resulting
dihydro‐anthracene
analogs.
Their
behavior
chemically
reversible
reduction
reactions
is
explored,
aiming
at
generation
dibisma‐anthracene
(bismanthrene).
Heterometallic
compounds
(Bi/Fe,
Bi/Mn)
introduced
potential
bismanthrene
surrogates,
supported
bismanthrene‐transfer
selenium.
Analytical
techniques
used
investigate
reported
include
NMR
spectroscopy,
high‐resolution
mass
spectrometry,
single‐crystal
X‐ray
diffraction
analyses,
DFT
calculations.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(8)
Опубликована: Ноя. 22, 2023
Abstract
Whereas
indications
of
radical
reactivity
in
bismuth
compounds
can
be
traced
back
to
the
19
th
century,
preparation
and
characterization
both
transient
persistent
bismuth‐radical
species
has
only
been
established
recent
decades.
These
advancements
led
emergence
field
chemistry,
mirroring
progress
seen
for
other
main‐group
elements.
The
seminal
fundamental
studies
this
area
have
ultimately
paved
way
development
catalytic
methodologies
involving
intermediates,
a
promising
approach
that
remains
largely
untapped
broad
landscape
synthetic
organic
chemistry.
In
review,
we
delve
into
milestones
eventually
present
state‐of‐the‐art
Our
focus
aims
at
outlining
intrinsic
discoveries
inorganic/organometallic
chemistry
contextualizing
their
practical
applications
synthesis
catalysis.
Chemical Communications,
Год журнала:
2023,
Номер
59(52), С. 8043 - 8058
Опубликована: Янв. 1, 2023
Recent
advances
in
the
activation
of
small
molecules
with
well-defined
molecular
compounds
heavy
p-block
elements
(with
a
principle
quantum
number
n
>
4)
are
summarized,
highlighting
key
strategies,
challenges,
and
opportunities.
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(12), С. 5523 - 5529
Опубликована: Янв. 1, 2024
New
hypercoordinated
organopnictogen(
iii
)
bis(aryloxides),
ArPn(SC
6
H
3
R
2
-2,6)
(Pn
=
Sb,
Bi;
Ar
NCN-pincer
ligand;
i
Pr,
OMe),
have
been
prepared
and
their
solution
solid
state
structures
investigated.
Abstract
Recent
advances
in
the
isolation
of
tamed
bismuth
radicals
and
selective
situ
generation
highly
reactive
have
set
stage
for
application
these
compounds
organic
organometallic
synthesis
catalysis.
Here,
we
provide
a
summary
methodological
approaches
field.
Important
strategies
accessing
radical
species
are
presented
key
examples
their
applications
outlined,
highlighting
how
this
class
has
emerged
as
new
valuable
tools
synthetic
practitioners.
1
Introduction
2
Generation
Bismuth
Radical
Species
by
Homolysis
2.1
Temperature-Induced
2.2
Light-Induced
2.3
Light-/Temperature-Induced
Bi–C
Polar
Oxidative
Addition
Complexes
3
Applications
Bismuth-Centered
Organic
Synthesis
3.1
Bismuth-Catalyzed
Cycloisomerization
Iodo
Olefins
3.2
Controlled
Polymerization
Reactions
3.3
Bismuth-Promoted
Pn–Pn
C–S
Coupling
3.4
Dehydrocoupling
Silanes
with
TEMPO
3.5
C–N
Redox-Active
Electrophiles
3.6
Giese-Type
3.7
Aryl
to
Photoactive
Bismuthinidenes
4
Conclusions
Dalton Transactions,
Год журнала:
2024,
Номер
53(26), С. 10814 - 10818
Опубликована: Янв. 1, 2024
In
this
work,
the
insertion
of
CS
2
into
Ge–Si
bond
PhC(N
t
Bu)
Ge–Si(SiMe
3
)
(1)
has
been
investigated,
resulting
in
formation
Ge–C(S)–S–Si(SiMe
(2).
Angewandte Chemie,
Год журнала:
2023,
Номер
136(8)
Опубликована: Ноя. 22, 2023
Abstract
Whereas
indications
of
radical
reactivity
in
bismuth
compounds
can
be
traced
back
to
the
19
th
century,
preparation
and
characterization
both
transient
persistent
bismuth‐radical
species
has
only
been
established
recent
decades.
These
advancements
led
emergence
field
chemistry,
mirroring
progress
seen
for
other
main‐group
elements.
The
seminal
fundamental
studies
this
area
have
ultimately
paved
way
development
catalytic
methodologies
involving
intermediates,
a
promising
approach
that
remains
largely
untapped
broad
landscape
synthetic
organic
chemistry.
In
review,
we
delve
into
milestones
eventually
present
state‐of‐the‐art
Our
focus
aims
at
outlining
intrinsic
discoveries
inorganic/organometallic
chemistry
contextualizing
their
practical
applications
synthesis
catalysis.
Organometallics,
Год журнала:
2023,
Номер
42(10), С. 885 - 895
Опубликована: Май 8, 2023
The
reactivity
of
a
literature-known,
ring-strained
cationic
bismuth
amide
toward
the
unsaturated
substrates
RN═C═NR,
CS2,
and
acrylonitrile
is
reported
(R
=
iPr,
Cy,
pTol).
Subtle
changes
in
polarity
reaction
medium
(THF
vs
pyridine)
can
be
exploited
to
selectively
address
two
different
pathways.
Either
dinuclear
nature
starting
material
preserved,
only
one
substrate
molecule
per
atoms
incorporated
into
product,
an
aryl
migration
possible
or
well-defined
mononuclear
compounds
with
Bi/substrate
ration
1:1
are
observed.
These
findings
correlate
unexpected
increase
species,
when
solvent
increased
from
THF
pyridine,
likely
connected
nuclearity
material.
Nachrichten aus der Chemie,
Год журнала:
2024,
Номер
72(2), С. 46 - 57
Опубликована: Янв. 31, 2024
Abstract
Hauptgruppen‐
und
Molekülchemie:
Die
leichteste
Metall‐Metall‐Bindung
im
Bisberyllocen;
ein
doppeltes
Highlight
in
der
Carbenchemie:
C
zweifach
oxidiert
mit
formal
vier
Valenzelektronen
Bor‐Flanken
für
extreme
Lewis‐Azidität;
außergewöhnliche
Liganden
ermöglichen,
ungewöhnlich
reaktive
Spezies
zu
isolieren:
kristallines
Triplett‐Bismutiniden.
Nebengruppen,
Bioanorganik
Koordinationschemie:
Rhodiumnitren,
koordiniertes
Ytterbium
lumineszierendes
Chrom
sowie
quadratisch‐planares
Cu
4
S.
