Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
This
manuscript
explores
the
post-synthetic
modification
(PSM)
of
amine-functionalized
porous
coordination
cages,
specifically
focusing
on
formation
imine
bonds
through
reactions
with
aldehydes.
Targeting
various
cage
topologies,
including
zirconium-,
magnesium-,
and
molybdenum-based
structures,
we
demonstrate
tunability
solubility
porosity
selective
functionalization
where
proximity
amine
groups
parent
impacts
extent
modification.
The
work
highlights
reversible
nature
formation,
offering
potential
applications
in
switching
mixed-metal
solid
synthesis.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 462 - 462
Published: Jan. 21, 2025
Metal–organic
cages
(MOCs)
are
discrete
supramolecular
entities
consisting
of
metal
nodes
and
organic
connectors
or
linkers;
MOCs
noted
for
their
high
porosity
processability.
Chemically,
they
can
be
post-synthetically
modified
(PSM)
new
functional
groups
introduced,
presenting
attractive
qualities,
it
is
expected
that
properties
will
differ
from
those
the
original
compound.
This
why
highly
regarded
in
fields
biology
chemistry.
The
present
review
deals
with
current
PSM
strategies
used
MOCs,
including
covalent,
coordination,
noncovalent
methods
structural
benefits.
main
emphasis
this
to
show
what
extent
under
circumstances
a
MOC
designed
obtain
tailored
geometric
architecture.
Although
sometimes
unclear
when
examining
systems,
particularizing
design
systematic
approaches
development
characterization
families
provides
insights
into
structure–function
relationships,
which
guide
future
developments.
Crystal Growth & Design,
Journal Year:
2024,
Volume and Issue:
24(14), P. 6081 - 6094
Published: July 1, 2024
Due
to
their
unique
structural
characteristics,
molecular
cages
have
become
pivotal
components
in
supramolecular
chemistry
and
materials
science.
These
possess
the
remarkable
ability
encapsulate
guest
molecules
metal
nanoparticles
within
cavities,
fostering
intriguing
host–guest
interactions
demonstrating
significant
potential
across
various
domains,
including
recognition,
drug
delivery,
catalysis,
material
synthesis.
Integrating
these
with
highly
porous
crystalline
covalent
organic
frameworks
(COFs)
constitutes
a
strategic
avenue
for
enhancing
both
porosity
functional
sites.
This
transition
from
COF
involves
precise
orchestration
of
individual
into
extended,
covalently
bonded
structures
well-defined
porosity.
unlocks
novel
pathways
design
applications,
significantly
enriching
landscape
review
comprehensively
summarizes
synthetic
strategies
employed
fabricating
cage-based
COFs,
explores
diverse
provides
insights
future
prospects
growth
this
rapidly
evolving
field.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(30), P. 20963 - 20971
Published: July 20, 2024
In
the
realm
of
nanoscale
materials
design,
achieving
precise
control
over
dimensions
nanotubular
architectures
poses
a
substantial
challenge.
our
ongoing
pursuit,
we
have
successfully
engineered
novel
class
single-molecule
nanotubes─isoreticular
covalent
organic
pillars
(iCOPs)─by
stacking
formylated
macrocycles
through
multiple
dynamic
imine
bonds,
guided
by
principles
reticular
chemistry.
Our
strategic
selection
rigid
diamine
linkers
has
facilitated
synthesis
diverse
array
iCOPs,
each
retaining
homologous
structure
yet
offering
distinct
cavity
shapes
influenced
linker
choice.
Notably,
three
these
iCOP
variants
feature
continuous
one-dimensional
channels,
exhibiting
length-dependent
host-guest
interactions
with
α,ω-dibromoalkanes,
and
presenting
critical
guest
alkyl
chain
length
threshold
for
efficient
encapsulation.
This
newfound
capability
not
only
provides
platform
tailoring
structures
precision,
but
also
opens
new
avenues
innovative
applications
in
molecular
recognition
purification
complex
mixtures.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 20, 2024
Abstract
Metal‐organic
cages
(MOCs)
are
a
class
of
compounds
formed
through
the
coordination
metal
ions
with
organic
ligands
to
create
well‐defined
and
cage‐like
structure.
These
unique
structures
offer
versatile
environments
for
catalyzing
wide
range
chemical
reactions.
The
catalytic
capabilities
MOCs
significantly
influenced
by
nature
ions,
functional
ligands,
cage
Notably,
confined
spaces
within
can
lead
enhanced
reaction
efficiencies,
particularly
in
processes
such
as
light‐induced
hydrogen
generation
photocatalytic
reduction
CO₂.
Furthermore,
show
great
potential
photo‐organic
synthesis
due
structure,
which
provides
environment
allows
encapsulating
molecules,
making
them
useful
improving
selectivity
efficiency
process.
This
review
reports
development
photocatalysis,
focusing
on
structural
design
regulation
strategy
build
production,
CO
2
reduction,
transformation.
Insights
into
photocatalysis
discussed
including
challenges
further
research
direction
MOC‐based
photocatalysis.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(45), P. 30958 - 30965
Published: Nov. 4, 2024
A
key
feature
of
coordination
cages
is
the
dynamic
nature
their
coordinative
bonds,
which
facilitates
synthesis
complex
polyhedral
structures
and
post-assembly
modification.
However,
this
can
limit
cage
stability.
Increasing
robustness
important
for
real-world
use
cases.
Here
we
introduce
a
double-bridging
strategy
to
increase
stability,
where
designed
pairs
bifunctional
subcomponents
combine
generate
rectangular
tetratopic
ligands
within
pseudo-cubic
Zn8L6
cages.
These
withstand
transmetalation,
addition
competing
ligands,
nucleophilic
imines,
under
conditions
single-bridged
congeners
decompose.
Our
approach
not
only
increases
stability
while
maintaining
structure,
but
also
enables
incorporation
additional
functional
units
in
proximity
cavity.
The
larger
cages,
are
inaccessible
as
congeners.
