Dalton Transactions,
Год журнала:
2023,
Номер
52(21), С. 7071 - 7078
Опубликована: Янв. 1, 2023
The
self-assembly
of
giant
hollow
macrocyclic
structures
has
been
achieved
through
two
novel
tetratopic
ligands.
bi-directional
geometric
mutual
constraints
were
found
to
be
the
key
factors
controlling
architectures.
Journal of the American Chemical Society,
Год журнала:
2022,
Номер
144(35), С. 16191 - 16198
Опубликована: Авг. 16, 2022
The
selective
separation
of
structurally
similar
aliphatic/aromatic
hydrocarbons
is
an
essential
goal
in
industrial
processes.
In
this
study,
we
report
the
synthesis
a
water-soluble
(Tr2M3)4L4
(Tr
=
cycloheptatrienyl
ring;
M
metal;
L
organosulfur
ligand)
molecular
cage
(1)
via
self-assembly
acceptor
tripalladium
sandwich
species
[(Tr2Pd3)(CH3CN)][NO3]2
and
attachment
onto
solubilizing
methoxyethoxy
appendants
to
be
utilized
energy-friendly
alternative
approach
molecules
under
ambient
conditions.
Cage
1,
comprising
hydrophobic
inner
cavity,
exhibited
good
solubility
stability
aqueous
media.
It
also
demonstrated
excellent
performance
sequential
alkanes
(C6–C9),
xylene,
other
disubstituted
benzene
isomers
cis/trans-decalin.
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.
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(5), С. 3131 - 3145
Опубликована: Янв. 25, 2023
In
biological
systems,
many
biomacromolecules
(e.g.,
heme
proteins)
are
capable
of
switching
their
states
reversibly
in
response
to
external
stimuli,
endowing
these
natural
architectures
with
a
high
level
diversity
and
functionality.
Although
tremendous
efforts
have
been
made
advance
the
complexity
artificial
supramolecules,
it
remains
challenge
construct
metallo-supramolecular
systems
that
can
carry
out
reversible
interconversion
among
multiple
states.
Here,
pH-responsive
tridentate
ligand,
2,6-di(1H-imidazole-2-yl)pyridine
(H2DAP),
is
incorporated
into
multitopic
building
block
for
precise
construction
giant
hexagonal
wreaths
three
metal
ions,
i.e.,
Fe(II),
Co(II),
Ni(II),
through
coordination-driven
self-assembly.
particular,
Co-linked
wreath
enables
situ
four
pH
oxidant/reductant
highly
efficient
conversion
without
losing
structural
integrity.
During
state
cycles,
physical
properties
assembled
constructs
finely
tuned,
including
charge
backbone,
valency
paramagnetic/diamagnetic
features
complexes.
Such
discrete
structures
charge-switchable
backbone
further
facilitate
layer-by-layer
assembly
metallo-supramolecules
on
substrate.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
62(1)
Опубликована: Ноя. 3, 2022
Fractal
structures
with
self-similarity
are
of
fundamental
importance
in
the
fields
aesthetic,
chemistry
and
mathematics.
Here,
by
taking
advantage
constructs
rational
geometry-directed
precursor
design,
we
report
construction
two
fascinating
Platonic
solids,
Sierpiński
tetrahedron
ST-T
octahedron
ST-O,
which
each
possesses
a
fractal
triangle
on
their
independent
faces.
These
discrete
complexes
formed
near-quantitative
yield
from
multi-component
self-assembly
truncated
triangular
kernel
L1
tribenzotriquinacene-based
hexatopic
anthracene-based
tetratopic
terpyridine
ligands
(L3
L4
)
presence
metal
ions,
respectively.
The
enhanced
stabilities
3D
were
investigated
gradient
tandem
mass
spectrometry
(gMS2
).
This
work
provides
new
for
imitation
complex
virus
assemblies
molecular
encapsulation
giant
guest
molecules.
Inorganic Chemistry,
Год журнала:
2023,
Номер
62(17), С. 6537 - 6543
Опубликована: Апрель 19, 2023
In
the
past
decades,
many
supramolecular
cages
with
different
sizes
and
shapes
have
been
achieved
through
coordination-driven
self-assembly.
However,
strategy
of
topology
adjustment
by
using
a
steric
hindrance
effect
has
not
fully
developed.
this
Article,
we
report
synthesis
ligand
LA
rotatable
arms,
LB
restricted
their
precisely
controlled
self-assembly
to
tetramer
cage
T1
dimer
D1,
respectively,
under
same
conditions.
By
utilizing
ligands,
metallosupramolecular
successfully
adjusted.
The
metallocages
were
characterized
NMR
spectroscopy
(1H,
13C,
COSY,
NOESY,
DOSY),
mass
spectrometry
(ESI-MS,
TWIM-MS),
transmission
electron
microscopy,
atomic
force
microscopy.
This
synthetic
method
would
potential
be
general
for
design
diverse
tunable
shape,
size,
applicable
properties.
Inorganic Chemistry Frontiers,
Год журнала:
2023,
Номер
11(2), С. 342 - 399
Опубликована: Дек. 4, 2023
The
manifold
chemistry
of
terpyridine
(tpy)
ligands
with
main-group
elements
is
reviewed
not
only
to
provide
an
overview
on
this
topic
but
also
inspire
intensified
research
in
often
disregarded
field.