Inorganic Chemistry,
Год журнала:
2024,
Номер
64(1), С. 646 - 661
Опубликована: Дек. 26, 2024
This
paper
provides
extensive
studies
of
[IrCl(Ph-py)(morph-C6H4-terpy-κ3N)]PF6
(1A),
[Ir(Ph-py)2(morph-C6H4-terpy-κ2N)]PF6
(2A),
[IrCl(Ph-py)(Ph-terpy-κ3N)]PF6
(1B),
and
[Ir(Ph-py)2(Ph-terpy-κ2N)]PF6
(2B)
designed
to
demonstrate
the
possibility
controlling
photophysical
properties
mono-
bis-cyclometalated
complexes
[IrCl(Ph-py)(R-C6H4-terpy-κ3N)]PF6
[Ir(Ph-py)2(R-C6H4-terpy-κ2N)]PF6
through
a
remote
electron-donating
substituent
introduced
into
4′-position
2,2′:6′,2″-terpyridine
(terpy)
via
phenyl
linker.
The
attachment
morpholinyl
(morph)
group
was
evidenced
induce
dramatic
changes
in
emission
characteristics
monocyclometalated
Ir(III)
systems
with
meridionally
coordinated
R-C6H4-terpy
ligand
(κ3N).
In
solution,
obtained
complex
found
be
rare
example
dual-emissive
systems.
Within
series
bearing
bound
central
ion
bidentate
coordination
mode,
appended
induced
minor
effect
on
maximum,
but
it
an
effective
tool
for
extending
excited-state
lifetime,
further
prolonging
increase
solvent
polarity.
results
this
work
are
high
significance
better
understanding
push–pull
dual-emission
phenomena
Ir-based
luminophores,
as
well
developing
chromophores
prolonged
lifetimes.
RSC Advances,
Год журнала:
2024,
Номер
14(30), С. 21464 - 21537
Опубликована: Янв. 1, 2024
Terpyridine-based
metal
complexes
have
emerged
as
versatile
and
indispensable
building
blocks
in
the
realm
of
modern
chemistry,
offering
a
plethora
applications
spanning
from
materials
science
to
catalysis
beyond.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(47)
Опубликована: Авг. 2, 2024
Abstract
The
Kröhnke
Pyridine
Synthesis
has
been
discovered
about
six
decades
ago
(1961),
by
Fritz
and
Wilfried
Zecher
at
the
University
of
Giessen.
original
method
involved
reaction
α‐pyridinium
methyl
ketone
salts
with
α,β‐unsaturated
carbonyl
compounds
in
presence
a
nitrogen
source,
frequently
ammonium
acetate.
Since
its
discovery,
methodology
demonstrated
to
be
suitable
for
preparation
mono‐,
di‐,
tri‐
tetra‐pyridines,
important
applications
several
research
fields.
Over
years,
number
modifications
approach
have
developed
reported,
enabling
broad
applicability
these
methods
even
modern
days,
also
synthesis
non‐pyridine
compounds.
In
this
critical
tutorial
review,
we
will
thoroughly
explore
discuss
potential
method,
refinements
that
made
over
as
well
some
arising
from
each
type
pyridine
and/or
produced
Kröhnke's
approach.
Zeitschrift für Naturforschung B,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
Abstract
In
this
study,
we
present
the
synthesis
and
characterization
of
three
transition
metal
1,5-naphthalenedisulfonates:
[Ni(PTP)₂]·(1,5-NDS)·2H₂O
(
1
),
[Mn(PTP)(1,5-NDS)]
2
[Zn(PTP)(1,5-NDS)(H₂O)]
·2.5H₂O
3
).
Herein,
PTP
refers
to
4′-phenyl-2,2′:6′,2″-terpyridine
while
1,5-NDS
denotes
naphthalene-1,5-disulfonate
dianion.
Compound
exhibits
a
structure
in
which
sulfonate
groups
1,5-naphthalenedisulfonate
anions
are
not
engaged
coordination.
compound
,
Mn(II)
ions
interconnected
through
form
chains
along
c
axis.
features
chain
via
coordination
interactions
between
cations
anions;
adjacent
linked
by
hydrogen
bonds
create
double-chain
arrangement.
Solid
diffuse
reflection
spectra
reveal
that
these
compounds
exhibit
maximum
absorption
around
290
nm.
The
third-order
nonlinear
optical
(NLO)
properties
complexes
was
investigated
using
single-beam
Z-scan
techniques
under
laser
irradiation
at
wavelength
532
All
demonstrate
significant
effects
with
coefficients
1.85
×
10
−5
m
W
−1
for
1.12
1.73
.
corresponding
calculated
values
NLO
susceptibility
χ
³
3.00
10⁻
7
esu,
1.81
esu
2.80
respectively.
Dalton Transactions,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Complexes
of
non-radioactive
indium(III)
with
2,2';6',2''-terpyridine
(tpy)
ligands
have
been
rarely
explored
despite
the
popularity
tpy
as
a
strong
chelating
ligand
backbone.
Herein,
three
mononuclear
complexes
(In-1,
In-2
and
In-3)
its
4'-Cl
4'-pyridyl
derivatives
synthesized
structurally
characterized.
While
crystal
structure
In-1
has
previously
studied,
In-3
were
isolated
characterized
for
first
time.
Two
different
polymorphs
observed
by
simply
varying
concentration
reactants.
Molecules
determined
X-ray
crystallography
found
to
adopt
same
coordination
mode
that
in
In-2,
while
remaining
ring
was
uncoordinated.
Bioactivity
studies
revealed
In-1,
fungicidal
against
human
fungal
pathogen,
Candida
albicans,
several
other
non-albicans
species.
Moreover,
cytotoxicity
showed
these
compounds
remarkably
antiproliferative
breast
cancer
cells
(MCF-7
MDA-MB
468).
RSC Advances,
Год журнала:
2025,
Номер
15(14), С. 10825 - 10850
Опубликована: Янв. 1, 2025
This
manuscript
provides
a
comprehensive
overview
of
the
synthesis,
characterization,
and
photophysical
electrochemical
properties
terpyridine-based
metal
complexes
(C1–C20).
RSC Advances,
Год журнала:
2025,
Номер
15(16), С. 12057 - 12066
Опубликована: Янв. 1, 2025
The
fluorescent-stain
photos
of
the
treated
HCT-116
cells
with
Pd(
ii
)
complex
2′,6′-di(thiazol-2-yl)-2,4′-bipyridine
showed
increased
apoptotic
bodies,
indicating
both
early
(18%)
and
late
apoptosis
(32%)
as
well
a
necrosis
ratio
about
10%.
