Langmuir,
Год журнала:
2024,
Номер
40(43), С. 22773 - 22786
Опубликована: Окт. 18, 2024
In
the
present
work,
a
novel
Cu(II)
complex
containing
10-phenanthroline-5,6-dione
(phen-dione)
and
acetylacetone
(acac)
was
prepared
via
solid-phase
synthesis
on
silica-modified
hercynite
magnetic
nanoparticles
(MNPs).
The
resulting
structure
underwent
thorough
structural
analysis
using
diverse
instrumental
techniques.
catalytic
potential
of
synthesized
successfully
demonstrated
in
2-amino-3-cyano-4
Advanced Materials,
Год журнала:
2021,
Номер
33(16)
Опубликована: Март 12, 2021
Abstract
To
improve
the
performance
of
metallic
catalysts,
alloying
provides
an
efficient
methodology
to
design
state‐of‐the‐art
materials.
As
emerging
functional
materials,
rare‐earth
metal
compounds
can
integrate
unique
orbital
structure
and
catalytic
behavior
rare
earth
elements
into
Such
containing
alloy
catalysts
proffer
opportunity
tailor
electronic
properties,
tune
charged
carrier
transport,
synergize
surface
reactivity,
which
are
expected
significantly
stability
catalysis.
Despite
its
significance,
there
only
few
reviews
on
alloys
or
related
topics.
This
review
summarizes
composition,
synthesis,
applications
in
field
Subsequent
comprehensively
summarizing
constructively
discussing
existing
work,
challenges
possibilities
future
research
compound
materials
evaluated.
This
study
introduces
a
novel
method
for
functionalizing
natural
asphalt,
presenting
new
opportunities
upgrading
asphaltenes
from
road
to
catalyst.
The
process
utilizes
metal-free
sonobromination
technique
in
acetic
acid
incorporate
carbon-halogen
substituents
onto
asphalt.
These
sites
are
then
targeted
by
nucleophilic
substitution
with
diethanolamine,
followed
complexation
Pd(0)
create
unique
palladium
complex
grafted
stabilized
serves
as
heterogeneous
and
recoverable
catalyst
the
Suzuki
reaction.
facilitates
reaction
between
aryl
boronic
acids
various
RSC Advances,
Год журнала:
2022,
Номер
12(5), С. 2770 - 2787
Опубликована: Янв. 1, 2022
Herein,
we
report
the
synthesis
of
hercynite@sulfuric
acid
as
a
novel
nanomagnetic
solid
catalyst,
containing
sulfuric
catalytic
sites
on
surface
hercynite
MNPs
support.
RSC Advances,
Год журнала:
2022,
Номер
12(40), С. 26023 - 26041
Опубликована: Янв. 1, 2022
Herein,
we
delignated
the
synthesis
of
a
novel
inorganic
sulfurous
magnetic
solid
acid
catalyst
by
immobilization
an
extremely
high
content
sulfuric
functionalities
on
amorphous
silica-modified
hercynite
nanomagnetic
core-shell
via
simple
method.
Silica
(SSA)
modified
nanocomposite
(hercynite@SSA)
combines
excellent
recoverability
and
stability
characteristics
(which
can
be
regarded
as
ferro
spinel
with
Fd3m
space
group
cubic
crystal
structure)
strong
Brønsted
properties
-SO3H
groups.
This
was
found
to
efficient
facile
for
bis(pyrazolyl)methanes
two
different
one-pot
multicomponent
methodologies
under
green
conditions.
The
hercynite@SSA
shows
catalytic
activity
reusability
in
ethanolic
medium
among
materials.
A
plausible
reaction
mechanism
is
proposed
this
synthesis.
