Industrial & Engineering Chemistry Research,
Journal Year:
2022,
Volume and Issue:
62(1), P. 158 - 168
Published: Dec. 22, 2022
Design
and
development
of
sustainable
metal-free
heterogeneous
catalysts
for
organic
transformation
reactions
is
a
challenging
task.
In
this
work,
an
amine-functionalized
graphitic
carbon
nitride
(NH2–GCN)
was
prepared
used
as
solid
base
catalyst
Knoevenagel
condensation
reaction.
The
amine
functionalization
led
to
increased
basicity
due
the
presence
additional
−NH2
groups.
catalytic
potential
NH2–GCN
tested
condensation,
which
showed
good
activity.
detailed
optimizations
various
reaction
conditions,
such
time,
temperature,
solvent,
amount,
were
performed.
highest
yield
92%
with
excellent
selectivity,
wherein
only
single
product
formed.
Furthermore,
wide
applicability
investigated
by
studying
substrate
scope,
high
turnover
number
obtained
almost
all
substrates.
addition,
green
metrics
parameters
also
determined,
stability
recyclability
studied.
Overall,
work
provides
green,
sustainable,
approach
New Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
47(9), P. 4252 - 4266
Published: Jan. 1, 2023
A
novel,
efficient
and
recoverable
heterogeneous
nanocatalyst
for
green
chemistry
was
designed.
ZnFe
2
O
4
@SiO
@
l
-methionine-Zr
MNPs
were
prepared
in
a
short,
simple
way.
The
synthesized
catalyst
assessed
the
synthesis
of
tetrazole
polyhydroquinoline
derivatives.
