Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(28), С. 12413 - 12428
Опубликована: Июль 4, 2024
Carboxylation
of
amines
is
an
important
route
to
obtain
amino
acids.
Herein,
we
have
reported
the
synthesis
and
characterizations
a
new
COF/gC3N4
composite
which
acted
as
heterogeneous
photocatalyst
for
carboxylation
unprotected
indoles
N-Boc-benzyl
amines.
We
used
SnO2
nanoparticles
cocatalyst
CO2
carbon
source
under
visible
light
irradiation.
This
gave
range
carboxylated
products
both
with
N-Boc-benzylamines
high
yield.
Control
experiments
optimum
reaction
conditions
this
photocatalytic
carboxylation.
Light
dependency
was
confirmed
by
altering
intensity
light.
Here,
synthesized
two
different
catalysts,
TpBpy
Tz
COF,
gC3N4
heterojunction
showed
excellent
activity.
The
photocatalysts,
COF/gC3N4,
are
recyclable
reusable
several
cycles
without
significant
loss
in
performance.
drug
compound
Clopidogrel
formation
unit
Tirofiban
demonstrated
these
protocols.
Inorganic Chemistry,
Год журнала:
2023,
Номер
62(41), С. 16954 - 16964
Опубликована: Окт. 3, 2023
It
has
been
a
challenging
issue
to
profoundly
actuate
the
transfer
and
separation
of
photoinduced
charge
carriers
by
controlling
interface
structure
inside
heterojunction,
owing
molecular/subnanometric
level
region.
Herein,
unique
one-dimensional/two-dimensional
(1D/2D)
CoTe/PCN
Z-scheme
heterojunction
is
fabricated
through
self-assembly
CoTe
nanorods
on
surface
polymeric
carbon
nitride
(PCN)
nanosheets.
Significantly,
in
situ
N-doping
oxidized
layer
achieved,
effectively
adjusting
its
chemical
element
states.
Moreover,
this
N-doped
can
serve
as
recombination
region
photogenerated
electrons
from
PCN
holes
increase
overall
carrier
efficiency
actuated
built-in
electric
field.
As
result,
photocatalytic
CO2
reduction
(CO2R)
performance
enhanced
dramatically,
which
yield
CO
generated
over
optimal
1D/2D
reaches
up
triple
than
that
PCN.
This
contribution
provides
an
emblematic
paradigm
for
interfacial
profound
insight
into
mechanism
improve
reaction.
Arabian Journal of Chemistry,
Год журнала:
2023,
Номер
16(9), С. 105036 - 105036
Опубликована: Июнь 3, 2023
Endoplasmic
reticulum,
the
largest
cellular
organelle
where
protein
synthesis,
folding,
transportation,
and
maintenance
of
Ca2+
homeostasis
occurred,
is
sensitive
to
imbalance
its
inner
environment.
Particularly,
overproduction
reactive
oxygen
species
in
endoplasmic
reticulum
region
can
initiate
stress
tightly
related
many
metabolic
diseases.
In
this
respect,
retain
normal
function
it
highly
important
synthesize
antioxidants
with
reticulum-targeting
capability
for
precisely
clearing
excessively
generated
reticulum.
Herein,
we
demonstrate
preparation
Se-doped
carbon
nanodots
assays
HeLa
cells
as
well
vivo
tests
mice
have
shown
that
prepared
significantly
eliminate
both
•OH
O2•−.
Experimental
results
declared
fabricated
powerful
scavenging
capabilities
toward
O2•-,
low
cytotoxicity
targetability
be
utilized
protect
against
raised
levels
What's
more,
effectively
alleviated
phorbol
12-myristate
13-acetate
induced
ear
inflammation
live
mice.
The
interaction
between
active
sites
and
the
support
plays
a
crucial
aspect
in
methanol
steam
reforming
(MSR)
reaction,
which
often
influences
dispersion
states
concentration
of
surface
oxygen
vacancies
(Ov).
Here
we
report
fabrication
copper-ceria
catalysts
that
contain
different
structures
by
adjusting
metal
loading
content.
Ce0.9Cu0.1O
x
catalyst
shows
H2
production
rate
as
high
53.2
mLH2
·gcat
-1·min-1
at
250
°C,
benefiting
from
highly
dispersed
Cu
species.
When
Ce/Cu
molar
ratio
is
reduced
further,
continues
to
decrease
due
agglomeration
Cu.
However,
Ov
another
catalytic
performance.
Ce0.1Cu0.9O
demonstrates
an
unexpected
rise
for
its
abundant
Ov.
Both
species
are
significant.
Among
them,
optimal
1/9
CO-free
MSR,
potentially
beneficial
clean
area.
