Current Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
28(4), P. 241 - 285
Published: Feb. 1, 2024
Abstract:
Organic
natural
materials
like
chitosan,
cellulose,
starch,
agarose,
and
alginate
possess
unique
structures
that
are
useful
in
creating
advanced
nanostructured
materials.
These
highly
catalysis
because
of
their
numerous
functional
groups
catalytic
properties.
They
can
also
be
combined
with
inorganic
to
create
"nano-
Biocomposites"
specialized
properties
utilized
as
catalysts
multicomponent
reactions.
This
review
provides
an
overview
the
use
nano-Biocomposites
reactions
(MCRs).
Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
6(7), P. 1932 - 1944
Published: Jan. 1, 2024
Inexpensive,
stable,
selective,
and
recyclable
nanocatalysts,
waste
regeneration,
utilization
of
safe
available
solvents
are
interest
important
factors
in
laboratory
science
industrial
applications
green
chemistry.
Therefore,
herein,
biochar
nanoparticles
(BNPs)
were
synthesized
through
chicken
manure
pyrolysis
as
a
novel
method
for
recycling.
Then,
order
to
improve
their
recyclability,
the
obtained
BNPs
magnetized
using
magnetic
nickel
nanoparticles.
surface
(BMNPs)
was
modified
by
(3-chloropropyl)trimethoxysilane
(3-CPTMS)
further
neodymium
Schiff-base
complex
immobilized
on
BMNPs,
denoted
Nd-Schiff-base@BMNPs.
The
supported
used
practical,
biocompatible,
commercial,
reusable
heterogeneous
nanocatalyst.
support
this
nanocatalyst
formed
from
manure;
therefore,
it
is
cheap,
economically
viable,
also
compatible
with
principles
Nd-Schiff-base@BMNPs
acts
selectively
organic
reactions
can
easily
be
recovered
an
external
magnet
reused,
which
This
characterized
wavelength-dispersive
X-ray
spectroscopy
(WDX),
scanning
electron
microscopy
(SEM),
energy-dispersive
(EDS),
thermogravimetric
analysis
(TGA),
Fourier
transform
infrared
(FT-IR),
inductively
coupled
plasma
(ICP),
N
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
38(4)
Published: Feb. 18, 2024
In
this
article,
the
mesoporous
silica
framework
of
KIT‐6
was
synthesized
and,
then
its
surface
modified
using
3‐aminopropyltrimethoxysilane
(APTMS).
The
new
KIT‐6@DABP@Cu
nanocatalyst
prepared
by
anchoring
copper
complex
on
KIT‐6.
identified
several
techniques,
including
FT‐IR,
WDX,
AAS,
SEM,
TGA,
XRD,
EDS,
and
BET.
physical
properties,
such
as
size,
shape,
morphology
were
studied
SEM
analysis.
elemental
composition
described
wavelength
dispersive
X‐ray
spectroscopy
(WDX)
EDS.
FT‐IR
used
to
characterize
functional
groups
in
structure
nanoparticles.
stability
TGA
at
high
temperatures.
Also,
area,
total
volume,
average
diameter
pores
determined
Brunauer–Emmett–Teller
(BET)
catalyst
found
be
a
new,
highly
effective,
green
for
synthesizing
5‐substituted‐tetrazoles
nitriles
sodium
azide
(NaN
3
)
catalyzed
polyethyleneglycol‐400
(PEG‐400)
solvent.
This
heterogeneous
showed
good
recyclability
up
five
consecutive
cycles
without
notable
loss
catalytic
efficiency.
Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
6(15), P. 3948 - 3960
Published: Jan. 1, 2024
Waste
recycling,
novel
and
easy
methods
of
recycling
catalysts,
use
green
solvents,
selective
catalysts
preventing
the
production
by-products
are
most
important
principles
chemistry
modern
technology.
Therefore,
in
this
work,
biochar
nanoparticles
(B-NPs)
were
synthesized
by
pyrolysis
chicken
manure
as
a
method
for
waste
recycling.
Subsequently,
B-NPs
magnetized
Fe(0)
to
improve
recovery
biochar.
Then,
surface
magnetic
(FeB-MNPs)
was
modified
(3-chloropropyl)trimethoxysilane
(3Cl-PTMS).
Finally,
multidentate
copper
complex
2,2'-(propane-1,3-diylbis(oxy))dianiline
(P.bis(OA))
immobilized
on
FeB-MNPs,
which
labeled
Cu-P.bis(OA)@FeB-MNPs.
Cu-P.bis(OA)@FeB-MNPs
investigated
commercial,
homoselective,
practical,
recyclable
nanocatalyst
synthesis
5-substituted-1
Current Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
28(2), P. 134 - 160
Published: Jan. 1, 2024
Abstract:
Tetrazole
is
a
most
versatile
pharmacophore
of
which
more
than
twenty
FDAapproved
drugs
have
been
marketed
globally
for
the
management
various
diseases.
In
spite
many
remarkable
and
consistent
efforts
having
made
by
chemists
towards
development
greener
sustainable
strategies
synthesis
tetrazole
derivatives,
this
approach
still
needs
attention.
The
present
review
focuses
on
green
synthetic
preparation
derivatives
from
different
starting
materials
such
as
nitrile,
isonitrile,
carbonyl,
amine,
amide,
oxime
terminal
alkyne
functions.
mechanism
substrates
discussed.
addition
to
this,
four
component
Ugi-azide
reaction
also
described.
Of
note,
articles
exploited
several
water-mediated
solvent-free
methodologies
synthesis.
important
key
features
were
pinpointing
in
each
scheme
provides
excellent
guide
those
searching
selective
procedure
achieve
desired
transformation.
This
seeks
timely
account
(2011-2023)
splendid
array
ecofriendly
procedures
known
today
materials.
rational
enlighten
recent
advancements
substrates.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(23), P. 16269 - 16277
Published: Jan. 1, 2024
In
this
research,
the
surface
of
boehmite
NPs
were
modified
and
functionalized
by
2-benzoylpyridine
toward
immobilization
copper
ions
as
a
practical
catalyst
in
synthesis
tetrazoles.
