Inorganic Chemistry,
Journal Year:
2020,
Volume and Issue:
59(23), P. 17340 - 17346
Published: Nov. 24, 2020
A
palladium
catalyzed
selective
B(3)-H
activation/oxidative
dehydrogenative
coupling
for
the
synthesis
of
bis(o-carborane)s
connected
with
B(3)-B(3')
and
B(3)-B(6')
bonds
has
been
developed
first
time.
plausible
mechanism
involving
stepwise
activation
B(3'/6')-H
by
PdII
PdIV
was
proposed.
This
work
is
example
most
efficient
protocol
bonds,
which
important
reference
design,
synthesis,
application
in
related
fields.
Chemical Reviews,
Journal Year:
2019,
Volume and Issue:
119(14), P. 8262 - 8290
Published: Feb. 1, 2019
Classically
closo-carborane
anions,
particularly
[HCB11H11]-
and
[HCB9H9]-,
their
derivatives
have
primarily
been
used
as
weakly
coordinating
anions
to
isolate
reactive
intermediates,
platforms
for
stoichiometric
catalytic
functionalization,
counteranions
simple
Lewis
acid
catalysis,
components
of
materials
like
liquid
crystals.
The
aim
this
article
is
educate
the
reader
on
contemporary
nonclassical
applications
these
anions.
Specifically,
review
will
cover
new
directions
in
main
group
catalysis
utilized
achieve
some
most
challenging
reactions
such
C-F,
C-H,
C-C
functionalizations
that
are
difficult
or
impossible
realize
with
transition
metals.
In
addition,
utilization
clusters
dianionic
C
σ-bound
ligands
coordination
chemistry,
ligand
substituents
chemistry
advanced
catalyst
design,
covalently
bound
spectator
stabilize
radicals.
Furthermore,
solution-based
solid-state
electrolytes
Li,
Na,
Mg
batteries
be
discussed.
Journal of the American Chemical Society,
Journal Year:
2018,
Volume and Issue:
140(42), P. 13798 - 13807
Published: Sept. 19, 2018
A
series
of
cage
penta-arylated
carboranes
have
been
synthesized
by
palladium-catalyzed
intermolecular
coupling
the
C-carboxylic
acid
monocarba-
closo-dodecaborate
anion
[CB11H12]-
with
iodoarenes
direct
B-H
bond
functionalization.
These
transformations
set
a
record
in
terms
one-pot
directing
group-mediated
activation
inert
bonds
single
molecule.
The
methodology
is
characterized
high
yields,
good
functional
group
tolerance,
and
complete
regioselectivity.
COOH
can
be
easily
removed
during
or
after
reaction.
mechanistic
pathways
were
probed
using
density
theory
calculations.
Pd(II)-Pd(IV)-Pd(II)
catalytic
cycle
proposed,
which
initial
followed
preferred
adjacent
boron
vertex,
continuation
this
selectivity
results
continuous
walking
process
palladium
center.
opens
new
avenue
toward
building
blocks
5-fold
symmetry.
Chemical Communications,
Journal Year:
2019,
Volume and Issue:
55(12), P. 1684 - 1701
Published: Jan. 1, 2019
In
this
feature
article
we
cover
new
directions
in
the
fundamental
and
applied
chemistry
of
closo-carborane
anions
[HCB11H11]−1
[HCB9H9]−1,
including
energy
storage
applications,
ionic
liquids,
anionic
carborane
fused
heterocycles/radicals,
ligand
substituents,
ligands
for
catalysis
coordination
chemistry.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(51)
Published: Oct. 27, 2022
Realization
of
practical
sodium
metal
batteries
(SMBs)
is
hindered
due
to
lack
compatible
electrolyte
components,
dendrite
propagation,
and
poor
understanding
anodic
interphasial
chemistries.
Chemically
robust
liquid
electrolytes
that
facilitate
both
favorable
deposition
a
stable
solid-electrolyte
interphase
(SEI)
are
ideal
enable
anode-free
cells.
Herein
we
present
advanced
characterization
novel
fluorine-free
utilizing
the
[HCB11
H11
]1-
anion.
Symmetrical
Na
cells
operated
with
this
exhibit
remarkably
low
overpotential
0.032
V
at
current
density
2.0
mA
cm-2
high
coulombic
efficiency
99.5
%
in
half-cell
configurations.
Surface
electrodes
post-operation
reveals
absence
dendritic
nucleation
surprisingly
SEI.
Furthermore,
weak
ion-pairing
identified
as
key
towards
successful
development
electrolytes.
Chemistry - A European Journal,
Journal Year:
2018,
Volume and Issue:
24(41), P. 10364 - 10371
Published: May 8, 2018
Abstract
The
synthesis
and
application
of
icosahedral
boron
cluster
compounds
has
been
studied
extensively
since
their
discovery
several
decades
ago;
however,
two
aspects
chemistry
have
received
little
attention:
possibility
to
form
inorganic/organic
fused
boraheterocycles
potential
act
as
antimicrobial
agents.
This
work
comprises
the
preparation
a
class
3D
diborabenzoxazole
analogues
with
closo
‐dodecaborate
in
place
benzene
moiety.
presented
synthetic
procedures
provide
access
wide
range
diboraheterocycles
under
mild
conditions.
These
heterocycles
exhibit
strong
selective
activity
against
Neisseria
gonorrhoeae
,
widespread
bacterial
pathogen
that
shown
increasing
incidences
multidrug
resistance
for
which
development
new
is
urgently
needed.
ACS Catalysis,
Journal Year:
2019,
Volume and Issue:
9(11), P. 10418 - 10425
Published: Sept. 27, 2019
A
rhodium-catalyzed
direct
and
regioselective
amidation
of
the
cage
B(4)–H
bond
in
a
wide
range
o-carboranes
with
alkyl-,
aryl-,
heteroaryl-substituted
dioxazolones
is
demonstrated
by
carboxylic
acid-assisted
activation
carborane
clusters,
providing
number
amidated
high
yields
release
carbon
dioxide.
Moreover,
selective
2-fold
decarboxylative
reaction
o-carborane
was
accessed.
Organic Letters,
Journal Year:
2019,
Volume and Issue:
21(22), P. 9276 - 9279
Published: Nov. 5, 2019
An
efficient
in
situ
Pd-NHC
catalytic
system
for
regioselective
arylation
of
B(3,6)-H
bonds
o-carborane
has
been
developed
the
first
time.
A
series
symmetric
and
unsymmetric
3,6-diaryl-o-carboranes
anchored
with
active
groups
have
synthesized
moderate
to
good
yields
under
mild
conditions.
This
work
offers
an
protocol
selective
activation
important
value
design
coupling
reactions
functionalization
o-carboranes.
