Advanced Synthesis & Catalysis,
Год журнала:
2017,
Номер
359(20), С. 3618 - 3625
Опубликована: Июль 18, 2017
Abstract
An
efficient
and
practical
method
has
been
developed
for
the
facile
synthesis
of
1,2,4‐trioxanes
by
condensation
β‐hydroperoxy
alcohols
carbonyl
compounds
in
presence
a
catalytic
amount
silica‐supported
ferric
chloride
(FeCl
3
/SiO
2
)
at
room
temperature.
The
benefits
operational
simplicity,
high
yields
potential
large‐scale
application.
Moreover,
catalyst
can
be
readily
recovered
simple
filtration
reused
up
to
five
times
while
almost
maintaining
its
activity.
magnified
image
In
this
work,
an
efficient
method
for
the
immobilization
of
L-proline
on
magnetic
nanoparticles
was
offered
and
evaluated
as
a
recoverable
nanocatalyst
synthesis
2,4,6-triarylpyridines
through
one-pot
three-component
reaction
acetophenone,
aryl
aldehydes
ammonium
acetate.
This
article
is
first
report
catalytic
application
functionalized
in
organic
reactions
nanocatalyst.
novel
proved
to
be
effective
provided
products
high
excellent
yield
under
solvent-free
conditions.
The
structure
obtained
characterized
by
Fourier
transform
infrared
spectrophotometry
(FT-IR),
field-emission
scanning
electron
microscopy
(FE-SEM),
thermogravimetric
analysis
(TGA)
energy-dispersive
X-ray
spectroscopy
(EDX).
TGA
result
revealed
that
it
stable
up
200
°C
using
catalyst
reactions.
FE-SEM
image
synthesized
showed
has
nearly
core-shell
spherical
shape
uniform
size
distribution
with
average
about
80
nm.
Moreover,
could
easily
recovered
facile
separation
forces
recycled
several
times
without
significant
loss
its
activity.
benefits
study
are
simplicity,
nontoxicity,
low
cost,
simple
workup,
environmentally
benign
nature.
New Journal of Chemistry,
Год журнала:
2021,
Номер
45(28), С. 12328 - 12345
Опубликована: Янв. 1, 2021
This
review
describes
the
evolution
and
application
of
active
metal-based
heterometallic
NPs
as
efficient
heterogeneous
catalysts
for
synthesis
pyridine
derivatives
by
multicomponent
reactions
in
last
decade
(2010–2020).
Abstract
Multicomponent
reactions
are
crucial
for
operating
organic
synthesis.
In
today's
world,
chemists
concentrate
on
greener
methodologies
that
cater
to
rising
environmental
concerns.
Most
conventional
solvents
harsh
the
environment,
which
can
be
addressed
by
environmentally
and
pocket‐friendly
Deep
eutectic
(DES).
Organic
synthesis
via
MCR
in
presence
of
DES
has
resulted
blend
green
methodology
solvent
transformations.
Forasmuch
as
addressing
concerns
developing
higher
heterocycles,
our
review
focuses
literature
published
DES‐mediated
N
‐Heterocyclic
compounds.
Critical Reviews in Analytical Chemistry,
Год журнала:
2017,
Номер
48(1), С. 73 - 85
Опубликована: Сен. 29, 2017
Deep
eutectic
solvents
(DESs)
are
a
common
successor
to
ionic
liquids
(ILs)
with
similar
physicochemical
properties.
DESs
have
attracted
considerable
interest
in
related
chemical
research
based
on
the
superiority
of
over
ILs
and
preparation
porous
materials.
In
addition,
DESs-based
materials
been
applied
widely
research.
This
review
highlights
properties
DESs.
The
application
DES
silica
polymers
is
also
discussed.
available
data
references
this
field
reviewed
summarize
applications
developments
Based
development
DESs,
exploitation
new
DES-based
expected
diversify
into
ChemistrySelect,
Год журнала:
2019,
Номер
4(7), С. 2181 - 2199
Опубликована: Фев. 20, 2019
Abstract
This
review
compiles
the
up
to
date
literatures
on
preparations
and
applications
of
transition
metal
ferrites
as
an
efficient,
heterogeneous,
magnetically
separable
nano‐catalyst
for
synthesis
diverse
bioactive
heterocycles.
Synthetic Communications,
Год журнала:
2020,
Номер
51(5), С. 647 - 669
Опубликована: Сен. 11, 2020
Catalysis
is
a
key
component
of
"green
chemistry",
and
strategically
vital
for
the
efficient
eco-friendly
organic
transformations.
Easy
recovery
catalysts
their
reusability
hot
research
topic
in
synthesis
especially
from
perspective
green
chemistry.
In
recent
times,
magnetic
separation
has
received
profound
attention
because
nanocatalysts
(due
to
insoluble
paramagnetic
nature)
can
be
readily
separated
reaction
medium
by
using
an
external
magnet,
without
need
filtration,
centrifugation
or
other
tedious
workup
processes.
During
last
decade,
many
magnetically
recoverable
have
been
utilized
catalyze
diverse
range
chemical
reactions.
The
aim
this
review
highlight
progress
catalytic
applications
various
Synthetic Communications,
Год журнала:
2020,
Номер
50(13), С. 1899 - 1935
Опубликована: Фев. 19, 2020
Catalysis
research
under
magnetically
recoverable
nanocatalysts
is
a
well-known
topic
in
organic
synthesis.
In
recent
times,
catalysis
has
clearly
experienced
renaissance
the
area
of
utility
ferrite
nanoparticles
based
on
their
ability
to
recovery
and
reusability.
this
review,
focus
fabrication,
characterization
application
MFe2O4
(M=Co,
Cu,
Ni)
synthesis
heterocyclic
structural
scaffolds.
