Angewandte Chemie International Edition,
Journal Year:
2021,
Volume and Issue:
60(33), P. 18223 - 18230
Published: June 11, 2021
Abstract
Similarities
in
sizes,
shapes,
and
physical
properties
between
carbon
dioxide
(CO
2
)
acetylene
(C
H
make
it
a
great
challenge
to
separate
the
major
impurity
CO
from
products
C
production.
The
use
of
porous
materials
is
an
appealing
path
replace
current
very
costly
energy‐consuming
technologies,
such
as
solvent
extraction
cryogenic
distillation;
however,
high
/C
uptake
ratio
with
minor
adsorption
at
standard
pressure
was
only
unexpectedly
observed
scarce
examples
recent
years
although
related
research
started
early
1950s,
general
design
strategies
realize
this
aim
are
still
absent.
This
work
has
successfully
developed
efficient
PIET
strategy
obtained
second
highest
for
proof‐of‐concept
MOF
photochromism‐active
bipyridinium
zwitterion.
An
unprecedented
photocontrollable
gate
effect,
owing
change
interannular
dihedral
after
photoinduced
generation
radical
species,
also
first
time.
These
findings
will
inspire
synthesis
gas
separation.
Molecules,
Journal Year:
2019,
Volume and Issue:
25(1), P. 1 - 1
Published: Dec. 18, 2019
Mono-
and
di-quaternized
4,4′-bipyridine
derivatives
constitute
a
family
of
heterocyclic
compounds,
which
in
recent
years
have
been
employed
numerous
applications.
These
applications
correspond
to
various
disciplines
research
technology.
In
their
majority,
two
key
features
these
4,4′-bipyridine-based
are
exploited:
redox
activity
electrochromic
aptitude.
Contemporary
materials
compounds
encompassing
skeletons
as
building
blocks
often
characterized
multifunctional,
presence
gives
rise
interesting
phenomena,
e.g.,
types
chromism.
This
trend
is
acknowledged,
and,
this
review
article,
examples
multifunctional
chromic
materials/compounds
class
presented.
Emphasis
placed
on
solvent-/medium-
environment-responsive
derivatives.
Two
important
classes
products
with
solvatochromic
and/or
character
reviewed:
viologens
(i.e.,
N,N′-disubstituted
derivatives)
monoquats
monosubstituted
derivatives).
The
nature
analyzed
structure–property
relations
discussed
connection
the
role
novel
ACS Central Science,
Journal Year:
2020,
Volume and Issue:
6(3), P. 347 - 358
Published: March 3, 2020
Artificial
molecular
machines
have
captured
the
imagination
of
scientists
and
nonscientists
alike
for
decades
now,
given
their
clear
potential
to
transform
enhance
all
aspects
human
life.
In
this
Outlook,
I
use
a
bicycle
as
an
analogy
explain
what
machine
is,
in
my
opinion,
work
through
representative
selection
case
studies
specify
significant
accomplishments
made
date,
obstacles
that
currently
stand
between
these
field's
fulfillment
its
great
potential.
The
hope
intentionally
sober
account
is
sketch
path
toward
rich
exciting
research
trajectory
might
challenge
current
practitioners
attract
junior
into
fold.
Considering
progress
we
witnessed
past
decade,
am
positive
future
field
rosy
one.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(22), P. 12377 - 12449
Published: Jan. 1, 2021
Molecular
photoswitches
are
inherently
lipophilic
and
do
not
spontaneously
dissolve
in
water.
We
describe
the
effect
of
water
on
photochemical
properties
strategies
to
solubilize
organic
apply
them
aqueous
media.
Angewandte Chemie International Edition,
Journal Year:
2021,
Volume and Issue:
60(37), P. 20120 - 20143
Published: March 11, 2021
Life
is
a
non-equilibrium
state
of
matter
maintained
at
the
expense
energy.
Nature
uses
predominantly
chemical
energy
stored
in
thermodynamically
activated,
but
kinetically
stable,
molecules.
These
high-energy
molecules
are
exploited
for
synthesis
other
biomolecules,
activation
biological
machinery
such
as
pumps
and
motors,
maintenance
structural
order.
Knowledge
how
transferred
to
biochemical
processes
essential
development
artificial
systems
with
life-like
processes.
Here,
we
discuss
can
be
used
control
organization
organic
Four
different
strategies
have
been
identified
according
distinguishable
physical-organic
basis.
For
each
class,
one
example
from
biology
chemistry
discussed
detail
illustrate
practical
implementation
concept
distinct
opportunities
they
offer.
Specific
attention
paid
discussion
chemically
fueled
self-assembly.
We
meaning
self-assembly,
its
kinetic
origin,
develop
synthetic
systems.
Journal of the American Chemical Society,
Journal Year:
2021,
Volume and Issue:
143(15), P. 5569 - 5591
Published: April 8, 2021
Pumps
and
motors
are
essential
components
of
the
world
as
we
know
it.
From
complex
proteins
that
sustain
our
cells,
to
mechanical
marvels
power
industries,
much
take
for
granted
is
only
possible
because
pumps
motors.
Although
molecular
have
supported
life
eons,
it
recently
chemists
made
progress
toward
designing
building
artificial
forms
microscopic
machinery
present
in
nature.
The
advent
machines
has
scientists
an
unprecedented
level
control
over
relative
motion
molecules
through
development
kinetically
controlled,
away-from-thermodynamic
equilibrium
chemistry.
We
outline
history
motors,
focusing
specifically
on
innovations
enable
design
synthesis
central
this
Perspective.
A
key
insight
connecting
biomolecular
physical
motions
by
which
these
carry
out
their
function
unambiguously
at
every
instant.
operation
can
be
described
trajectory
thermodynamics,
a
theory
based
work
Onsager,
grounded
firm
foundation
principle
reversibility.
Free
energy
derived
from
thermodynamically
non-equilibrium
reactions
favors
some
reaction
pathways
others.
By
with
kinetic
asymmetry,
one
engineer
potential
landscapes
harness
external
drive
formation
maintenance
geometries
component
parts
away-from-equilibrium,
would
impossible
achieve
standard
synthetic
approaches.
Advanced Functional Materials,
Journal Year:
2020,
Volume and Issue:
31(7)
Published: Nov. 3, 2020
Abstract
Fluorescent
photochromic
molecules
that
exhibit
distinct
light‐triggered
changes
in
their
emission
colors
are
highly
desirable
for
the
fabrication
of
smart
soft
materials
and
advanced
photonic
devices.
α‐Cyanodiarylethenes,
is,
α‐cyano‐functionalized
diarylethenes,
as
alternative
“non‐azo”
Z/E
molecular
switches,
popular
choices
due
to
unique
characteristics
such
aggregation‐induced
or
aggregation‐induced‐enhanced
behavior
self‐assembled
states,
visible
fluorescence
during
photoisomerization.
In
recent
years,
development
fluorescent
α‐cyanodiarylethene‐based
compounds
including
α‐cyanostilbenes,
dicyanodistyrylbenzenes,
diaryldicyanoethenes,
has
mainly
focused
on
design,
photochemical
photophysical
solution,
matter
technologies.
this
review,
significant
achievements
light‐responsive
systems
based
photoisomerization
α‐cyanodiarylethene
switches
span
range
from
liquid
crystals
gels
finally
nanostructures,
highlighted.
The
constructed
find
use
a
plethora
areas,
display,
sensing,
encrypting,
actuating,
biomedical
imaging
applications,
among
others.
review
concludes
with
brief
perspective
some
major
challenges
opportunities
future
materials.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
122(1), P. 1416 - 1481
Published: Nov. 29, 2021
Flavylium
compounds
are
a
well-known
family
of
pigments
because
they
prevalent
in
the
plant
kingdom,
contributing
to
colors
over
wide
range
from
shades
yellow-red
blue
fruits,
flowers,
leaves,
and
other
parts.
include
large
variety
natural
compound
classes,
namely,
anthocyanins,
3-deoxyanthocyanidins,
auronidins,
their
respective
aglycones
as
well
anthocyanin-derived
(e.g.,
pyranoanthocyanins,
anthocyanin-flavan-3-ol
dimers).
During
past
few
decades,
there
has
been
increasing
interest
among
chemists
synthesizing
different
flavylium
that
mimic
structures
but
with
substitution
patterns
present
spectroscopic
characteristics
view
applications
industrial
fields.
This
Review
provides
an
overview
chemistry
flavylium-based
compounds,
particular,
synthetic
enzymatic
approaches
mechanisms
reported
literature
for
obtaining
classes
pigments,
physical-chemical
properties
relation
pH-dependent
equilibria
network,
chemical
degradation.
The
development
systems
is
also
described
throughout
this
emergent
explore
some
multistate
species
generated
by
these
compounds.
Chemical Science,
Journal Year:
2021,
Volume and Issue:
12(45), P. 14964 - 14986
Published: Jan. 1, 2021
Various
families
of
light-driven
rotary
molecular
motors
and
the
key
aspects
motor
design
are
discussed.
Comparisons
made
between
strengths
weaknesses
each
motor.
Challenges,
applications,
future
prospects
explored.
