Monomeric M(II) (M = Fe, Co, Ni) complexes supported by bulky aryloxide ligands tethered to an arene functionality; synthesis, electrochemistry and study of the M(II)-arene interaction.
Dalton Transactions,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Strength
of
M–arene
interaction
(2-Ni)
≫
(2-Co)
>
(2-Fe),
IR
spectroscopy
to
probe
interaction,
THF
coordination
completely
disturbs
interaction.
Язык: Английский
Synthesis and Electrochemical Properties of Molybdenum Nitrido Complexes Supported by Redox-Active NHC and MIC Ligands
Dalton Transactions,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
We
report
the
synthesis
of
a
series
molybdenum
nitrido
complexes
supported
by
bis-phenolate
N-heterocyclic
and
mesoionic
carbenes,
to
investigate
their
(electro-)chemical
properties
in
absence
presence
protons
for
ammonia
production.
Язык: Английский
Nickel(II) Complex with the Bis(phenolate) Pincer N-Heterocyclic Carbene Ligand: Synthesis, Structure, and Properties
Russian Journal of Coordination Chemistry,
Год журнала:
2024,
Номер
50(10), С. 769 - 777
Опубликована: Окт. 1, 2024
Язык: Английский
Probing the Influence of Imidazolylidene- and Triazolylidene-Based Carbenes on the Catalytic Potential of Dioxomolybdenum and Dioxotungsten Complexes in Dexoxygenation Catalysis
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 24, 2024
We
report
the
synthesis
of
dianionic
OCO-supported
NHC
and
MIC
complexes
molybdenum
tungsten
with
general
formula
(OCO)MO2
(OCO
=
bis-phenolate
benzimidazolylidene
M
Mo
(1-Mo),
triazolylidene
(2-Mo),
W
(2-W)
imidazolylidene,
(3-Mo),
(3-W)).
These
are
tested
in
catalytic
deoxygenation
nitroarenes
using
pinacol
as
a
sacrificial
oxygen
atom
acceptor/reducing
agent
to
examine
influence
carbene
metal
centre
this
transformation.
The
results
show
that
molybdenum-based
complex
2-Mo
is
by
far
most
active
catalyst,
TOFs
up
270
h-1
observed,
while
analogues
basically
inactive.
Mechanistic
studies
suggest
superiority
triazolylidene-based
result
highly
stable
bond,
strongly
exceeding
stability
other
1-Mo
3-Mo.
This
proven
structural
isolation
pinacolate
(5-Mo)
can
be
thermally
converted
μ-oxodimolybdenum(V)
7-Mo.
latter
very
oxophilic
stoichiometrically
deoxygenates
nitro-
nitrosoarenes
at
room
temperature.
In
contrast,
azoarenes
not
reductively
cleaved
7-Mo,
suggesting
direct
corresponding
anilines
intermediates.
summary,
work
showcases
superior
donors
on
properties
early
transition
complexes.
Язык: Английский