Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 31, 2024
Abstract
Large
amounts
of
small
molecule
dyes
leak
into
the
ecosystems
annually
in
harmful
and
unsustainable
ways.
Polymer
have
attracted
much
attention
because
their
high
migration
resistance,
excellent
stability,
minimized
leakage.
However,
complex
synthesis
process,
cost,
poor
degradability
hinder
widespread
application.
Herein,
green
sustainable
polymer
are
prepared
using
natural
dye
quercetin
(Qc)
CO
2
through
a
one‐step
process.
The
‐sourced
show
strong
can
be
degraded
on
demand.
Additionally,
showed
unique
responses
to
Zn
2+
,
leading
significantly
enhanced
fluorescence,
highlighting
potential
for
information
encryption/decryption.
solve
environmental
hazards
caused
by
leakage
promote
carbon
cycle
Meanwhile,
process
is
expected
achieve
utilization
dyes.
ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(29), P. 33285 - 33296
Published: July 15, 2022
The
sunlight-driven
fixation
of
CO2
into
valuable
chemicals
constitutes
a
promising
approach
toward
environmental
remediation
and
energy
sustainability
over
traditional
thermal-driven
fixation.
Consequently,
in
this
article,
we
report
strategic
design
utilization
Mg-centered
porphyrin-based
metal–organic
framework
(MOFs)
having
relevance
to
chlorophyll
green
plants
as
visible
light-promoted
highly
recyclable
catalyst
for
the
effective
value-added
cyclic
carbonates
under
ambient
conditions.
Indeed,
porphyrin
MOF
showed
good
capture
ability
with
high
heat
adsorption
(44.5
kJ/mol)
superior
catalytic
activity
light
irradiation
comparison
excellent
Mg–porphyrin
has
been
attributed
facile
ligand-to-metal
charge
transfer
transition
from
photoexcited
unit
(SBU)
Zr6
cluster
which
turn
activates
CO2,
thereby
lowering
activation
barrier
its
cycloaddition
epoxides.
in-depth
theoretical
studies
further
unveiled
detailed
mechanistic
path
conversion
high-value
carbonates.
This
study
represents
rare
demonstration
sunlight-promoted
sustainable
greenhouse
gas
chemicals.
Inorganic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
10(7), P. 2088 - 2099
Published: Jan. 1, 2023
This
study
presents
a
novel
use
of
carbon
dioxide
(CO
2
)
in
the
synthesis
cyclic
carbonates
from
olefins
under
halogen-free
conditions.
green
strategy
offers
twin
advantages
environment
friendliness
and
value-added
chemical
production.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(8), P. 4613 - 4625
Published: Feb. 20, 2023
Since
C(sp3)–O
bonds
are
a
ubiquitous
chemical
motif
in
both
natural
and
artificial
organic
molecules,
the
universal
transformation
of
will
be
key
technology
for
achieving
carbon
neutrality.
We
report
herein
that
gold
nanoparticles
supported
on
amphoteric
metal
oxides,
namely,
ZrO2,
efficiently
generated
alkyl
radicals
via
homolysis
unactivated
bonds,
which
consequently
promoted
C(sp3)–Si
bond
formation
to
give
diverse
organosilicon
compounds.
A
wide
array
esters
ethers,
either
commercially
available
or
easily
synthesized
from
alcohols
participated
heterogeneous
gold-catalyzed
silylation
by
disilanes
alkyl-,
allyl-,
benzyl-,
allenyl
silanes
high
yields.
In
addition,
this
novel
reaction
could
applied
upcycling
polyesters,
i.e.,
degradation
polyesters
synthesis
organosilanes
were
realized
concurrently
unique
catalysis
nanoparticles.
Mechanistic
studies
corroborated
notion
generation
is
involved
coupling
cooperation
an
acid–base
pair
ZrO2
responsible
stable
bonds.
The
reusability
air
tolerance
catalysts
as
well
simple,
scalable,
green
system
enabled
practical
Polymer Chemistry,
Journal Year:
2023,
Volume and Issue:
14(11), P. 1164 - 1183
Published: Jan. 1, 2023
Here
we
describe
the
main
synthetic
approaches
for
production
of
CO
2
-based
polycarbonates
and
their
emerging
end-of-life
scenarios
by
chemical
re-/up-cycling.
Carbon Neutrality,
Journal Year:
2024,
Volume and Issue:
3(1)
Published: June 3, 2024
Abstract
Catalytic
hydrogenolysis
systems
of
C-O
bonds
in
furan
ring,
tetrahydrofuran
ring
and
tetrahydropyran
biomass-derived
cyclic
compounds
are
reviewed.
Furfural
or
its
hydrogenation
products
(furfuryl
alcohol
tetrahydrofurfuryl
alcohol)
have
been
frequently
used
as
substrates
for
this
type
reactions.
Ring-opening
furfuryl
over
metal
catalysts
combined
with
basic
components
gives
a
mixture
1,2-pentanediol,
1,5-pentanediol
other
by-products.
The
selectivity
much
depends
on
reaction
conditions,
good
1,2-pentanediol
can
be
obtained.
For
synthesis,
more
selective
approaches
reported
such
Cu-zeolite
flow
reactor
M-M’O
x
-type
(M:
noble
metal;
M’:
transition
metal)
supported
Ni-LnO
(Ln:
rare
earth
element)
hydrogenolysis.
applied
to
ring-opening
furan-
tetrahydrofuran-based
compounds,
respectively.
Among
the
seems
most
important
because
potential
use
monomer.
recent
progress
properties
polymers
using
monomer
also
summarized.
Asian Journal of Organic Chemistry,
Journal Year:
2022,
Volume and Issue:
11(11)
Published: Sept. 19, 2022
Abstract
Reduction
of
CO
2
emission
is
an
important
issue
all
over
the
world,
and
development
effective
transformation
methods
into
valuable
chemicals
highly
desirable.
Among
various
potential
products
derived
from
,
polymers
are
one
promising
target
in
terms
production
amount
fixation
to
solid
materials.
Therefore,
direct
synthesis
polycarbonates
has
recently
attracted
much
attention
because
including
polycarbonate
diols
useful
engineering
plastics
intermediates
for
polyurethanes.
There
many
reports
on
cyclic
ethers
such
as
epoxides
oxetanes,
however,
limited.
In
this
review,
we
summarize
recent
progress
explain
issues
industrialization
based
characteristics
reaction
systems.
