Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(50)
Published: Aug. 20, 2024
Abstract
The
dynamic
behaviour
of
metal‐ligand
bonding
cultivates
stimuli‐mediated
structural
transformations
in
self‐assembled
molecular
architectures.
propensity
synthetically
designed
systems
to
interchange
between
higher‐order
architectures
is
increased
multi‐fold
when
the
building
blocks
have
higher
conformational
degrees
freedom.
Herein,
we
report
a
new
ligand,
(2,7‐bis(di(pyridin‐4‐yl)amino)‐9
H
‐fluoren‐9‐one)
(
L
),
which,
upon
self‐assembly
with
cis
‐[(ethylene‐1,2‐diamine)Pd(NO
3
)
2
]
acceptor
M
resulted
formation
6
trifacial
barrel
C1
water.
Interestingly,
during
crystallization,
rare
12
triangular
orthobicupola
architecture
C2
was
generated
along
.
could
also
be
solution
via
application
several
stimuli.
aqueous
media
stabilize
one
trans
‐stilbene
tS
or
cS
molecule
its
cavity,
selectivity
for
former
from
their
mixture.
Moreover,
acted
as
an
effective
host
prevent
otherwise
facile
photoisomerization
inside
hydrophobic
cavity
under
UV
irradiation.
Conversely,
visible‐light‐induced
reverse
isomerization
encapsulated
achieved
readily
due
better
stabilization
within
and
transparency
visible
light.
A
multi‐functional
system
therefore
designed,
which
at
same
time
stimuli‐responsive,
shows
isomer
selectivity,
photo‐protects
‐stilbene.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(26), P. 3469 - 3483
Published: Jan. 1, 2024
In
this
highlight,
we
summarize
the
design
principle
and
representative
examples
of
MOCs
for
gas
adsorption
separation,
with
aim
providing
a
theoretical
basis
designing
more
that
can
adsorb
purify
gas.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(36), P. 24901 - 24910
Published: Aug. 28, 2024
The
effect
of
host–guest
interactions
on
the
chemistry
encapsulated
molecules
is
a
fascinating
field
research
that
has
gained
momentum
in
recent
years.
Much
work
this
been
focused
such
catalysis
and
photoluminescence
dyes.
However,
related
photoinduced
processes,
as
photoregulated
oxidase-mimicking
activity,
not
explored
much.
Herein,
we
report
unique
example
enhancement
oxidase-like
activity
benzothiadiazole
dye
(G1)
water
through
encapsulation
within
M8L4
molecular
barrel
(1).
Favorable
helped
guest
G1
to
have
better
electron
transfer
oxygen
leading
increased
production
superoxide
radical
anions
activity.
Furthermore,
inside
1
also
caused
change
redox
potentials
which
after
produced
oxidizing
agent
than
free
G1.
These
phenomena
combined
enhance
upon
cage
1.
present
demonstrates
processes.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 11, 2025
Supramolecular
metal–organic
cages
(MOCs)
have
gained
attention
as
versatile
catalytic
platforms
due
to
their
self-assembled
architectures
and
well-defined
cavities,
which
mimic
enzyme
active
sites
enable
spatial
confinement.
This
confinement
modulates
the
reaction
pathways
enhances
performance.
Recent
studies
highlight
potential
in
various
organic
transformations,
but
factors
governing
MOC-catalyzed
reactions
remain
incompletely
understood.
work
builds
on
prior
computational
of
Diels–Alder
catalyzed
by
palladium-based
MOCs,
showing
that
common
view
transition-state
stabilization
via
π–π
interactions
is
not
valid.
Instead,
we
find
between
substrate
ligands
destabilize
transition
state.
Additionally,
theoretical
regioselectivity,
validated
experimentally,
suggest
encapsulation
efficiency
key
determining
selectivity.
These
findings
provide
new
insights
into
mechanisms
reactions.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
Coordination
cages
with
specific
properties
and
functionalities
are
utilized
as
reaction
vessels
for
the
desired
chemical
transformation
of
substrates.
The
symmetry
inherent
cavity
coordination
can
influence
host–guest
interactions
outcome
in
their
confined
space.
However,
impact
cage
shape
on
different
transformations
remains
unclear.
In
this
chapter,
we
report
chemo-selective
anthracene
derivative
using
three
geometrically
distinct
Pd6
(CC2,
CC3,
CC4).
Photoirradiation
9-bromoanthracene
(G3)
distorted
double-square
(CC2)
yields
anthracene-9,10-dione,
while
known
(CC3)
forms
a
[4
+
4]
cycloaddition
product.
same
bowl-shaped
(CC4)
resulted
oxidized
Through
combination
experimental
computational
studies,
demonstrate
that
size
significantly
pathways
encapsulated
derivative,
leading
to
chemo-selectivity.
Furthermore,
observe
encapsulation
cavities
(CC2
CC4)
leads
significant
enhancement
rate
photooxidation
G3.
This
work
underscores
versatility
water-soluble
synthetic
chemistry,
offering
interesting
avenues
transformation.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(43), P. 5573 - 5585
Published: Jan. 1, 2024
Metal-organic
self-assembly
with
flexible
moieties
is
a
budding
field
of
research
due
to
the
possibility
formation
unique
architectures.
Tetrazole,
characterised
by
four
nitrogen
atoms
in
five-member
ring,
exhibits
immense
potential
as
component.
Tetrazole
offers
coordination
sites
for
binding
metal
centre
nine
distinct
modes,
leading
various
assemblies.
This
review
highlights
different
polymeric
and
discrete
tetrazole-based
assemblies
their
functions.
The
meticulous
manipulation
stoichiometry,
ligands,
ions
required
constructing
has
also
been
discussed.
applications
these
architectures
separation,
catalysis
detection
have
accentuated.
latter
section
consolidates
cage
composites,
highlighting
cell
imaging
photocatalytic
applications.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(32), P. 14924 - 14932
Published: June 19, 2024
Research
on
the
synthesis
of
catenated
cages
has
been
a
growing
field
interest
in
past
few
years.
While
multiple
types
with
different
structures
have
synthesized,
application
such
systems
much
less
explored.
Specifically,
use
separation
industrially
relevant
molecules
that
are
present
coal
tar
not
explored
before.
Herein,
we
demonstrate
newly
synthesized
interlocked
cage
1
[C184H240N76O48Pd6]
(M6L4),
formed
through
self-assembly
ligand
L.HNO3
(tris(4-(1H-imidazole-1-yl)benzylidene)hydrazine-1-carbohydrazonhydrazide)
acceptor
cis-[(tmchda)Pd(NO3)2]
[tmchda
=
±N,N,N′,N′-tetramethylcyclohexane-1,2-diamine]
(M).
The
was
able
to
separate
isomers
(anthracene
and
phenanthrene)
using
simple
solvent
extraction
technique.
Using
same
technique,
more
difficult
structurally
physiochemically
similar
compounds
acenaphthene
acenaphthylene
performed
for
first
time
as
host.
Other
noninterlocked
hexanuclear
Pd6
having
wider
cavity
proved
inefficient
separation,
demonstrating
uniqueness
challenging
separation.
APL Materials,
Journal Year:
2024,
Volume and Issue:
12(7)
Published: July 1, 2024
Metal–organic
cycles/cages
(MOCs)
are
a
class
of
nanoscale
molecular
entities
that
possess
distinct
shapes
and
sizes
designed
synthesized
through
the
predictable
integration
organic
inorganic
ligands.
The
diverse
functionalities
MOCs
render
them
valuable
in
fields
biology,
chemistry,
materials.
First,
cavity
renders
suitable
for
host–guest
interactions,
which
subsequently
employed
to
induce
conformational
changes,
this
approach
is
particularly
advantageous
catalysis,
sensing,
controlled
loading
release.
Furthermore,
MOC-
polymer-based
aggregates
can
be
applied
biomedical
research
cascaded
light-harvesting
systems.
Benefiting
from
high
specific
surface
area,
initial
exploration
MOC-based
hierarchical
assemblies
indicates
their
potential
applications
biomedicine
catalysis.
microsheets
centimeter
films
used
dual-mode
catalysis
novel
wound
dressing
nonhealing
wounds.
In
addition,
design
synthesis
with
different
various
strategies
discussed.
We
summarized
latest
progress
past
5
years
Review.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(50)
Published: Aug. 20, 2024
Abstract
The
dynamic
behaviour
of
metal‐ligand
bonding
cultivates
stimuli‐mediated
structural
transformations
in
self‐assembled
molecular
architectures.
propensity
synthetically
designed
systems
to
interchange
between
higher‐order
architectures
is
increased
multi‐fold
when
the
building
blocks
have
higher
conformational
degrees
freedom.
Herein,
we
report
a
new
ligand,
(2,7‐bis(di(pyridin‐4‐yl)amino)‐9
H
‐fluoren‐9‐one)
(
L
),
which,
upon
self‐assembly
with
cis
‐[(ethylene‐1,2‐diamine)Pd(NO
3
)
2
]
acceptor
M
resulted
formation
6
trifacial
barrel
C1
water.
Interestingly,
during
crystallization,
rare
12
triangular
orthobicupola
architecture
C2
was
generated
along
.
could
also
be
solution
via
application
several
stimuli.
aqueous
media
stabilize
one
trans
‐stilbene
tS
or
cS
molecule
its
cavity,
selectivity
for
former
from
their
mixture.
Moreover,
acted
as
an
effective
host
prevent
otherwise
facile
photoisomerization
inside
hydrophobic
cavity
under
UV
irradiation.
Conversely,
visible‐light‐induced
reverse
isomerization
encapsulated
achieved
readily
due
better
stabilization
within
and
transparency
visible
light.
A
multi‐functional
system
therefore
designed,
which
at
same
time
stimuli‐responsive,
shows
isomer
selectivity,
photo‐protects
‐stilbene.
