Chinese Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
43(8), P. 2934 - 2934
Published: Jan. 1, 2023
Recently,
metal-organic
framework
(MOF)
and
its
derivatives
showed
great
application
potential
in
catalysis.ZIF-L-Co@phytate-iron
(ZIF-L-Co@PA-Fe)
heterogeneous
MOF
were
synthesized
by
a
facile
surface
engineering
method.Phytic
acid
functionalized
ZIF-L-Co
(ZIF-L-Co@PA)
was
firstly
prepared
through
organic
ligand
exchange
of
phytic
(PA).Then,
ZIF-L-Co@PA-Fe
with
unique
heterostructure
via
coordination
occurred
between
Fe
3
＋
ligands.Benefiting
from
the
greatly
modify
metal-ligand
interactions,
as-designed
hybrids
exhibited
excellent
catalytic
activities
toward
hydrogen
transfer
reactions.2-Substituted
benzoxazole
successfully
hydrogenative
annulation
o-nitrophenol
alcohols
catalyzed
under
solvent-free
conditions.No
additional
additives,
such
as
oxidants,
reductants
or
bases
required
for
this
reaction.Moreover,
complex
reusability
could
be
recycled
up
to
five
times
without
obvious
decline
activity.This
work
may
provide
effective
guidance
optimizing
performance
other
series
derivatives.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(17)
Published: April 25, 2024
Abstract
A
diverse
array
of
simple
benzoin
compounds
featuring
aryl
and
heteroaryl
substituents
were
prepared
from
corresponding
aldehydes,
achieving
moderate
to
excellent
yields.
To
achieve
this,
a
library
NHC
precursors
was
designed
synthesized
imidazole
benzimidazole.
Our
custom‐designed
(L1–L10)
varied
in
size
structure.
Built
on
imidazolinium
benzimidazolinium
salts,
these
catalysts
sported
at
the
N1
N3
positions
ranging
compact
groups
like
butyl
or
benzyl
much
bulkier
anthracenyl
group.
Treatment
with
base
transforms
salts
into
highly
effective
precursors.
After
being
activated,
NHCs
become
for
condensation
reaction.
We
tested
all
we
made
found
that
L10,
one
containing
large
bulky
group
attached
benzimidazolium
ring,
worked
best
making
derivatives.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(13)
Published: March 28, 2025
Abstract
A
sustainable
and
efficient
synthesis
of
new
spiro[pyrrolo[1,2
‐a
]pyrazin]‐2‐ones
was
developed
using
N
‐protected
isatins,
‐substituted
piperazines,
chalcones
under
ultrasonic
conditions
in
[C
12
C
BIm]Br,
a
green
ionic
liquid.
The
reaction
proceeds
through
1,3‐dipolar
cycloaddition
between
an
situ
generated
azomethine
ylide
chalcone.
This
approach
offers
several
advantages,
including
its
environmental
friendliness,
mild
conditions,
the
recyclability
Molecules,
Journal Year:
2023,
Volume and Issue:
28(12), P. 4845 - 4845
Published: June 19, 2023
Imidazole-based
compounds
are
a
series
of
heterocyclic
that
exhibit
wide
range
biological
and
pharmaceutical
activities.
However,
those
extant
syntheses
using
conventional
protocols
can
be
time-costly,
require
harsh
conditions,
result
in
low
yields.
As
novel
green
technique,
sonochemistry
has
emerged
as
promising
method
for
organic
synthesis
with
several
advantages
over
methods,
including
enhancing
reaction
rates,
improving
yields,
reducing
the
use
hazardous
solvents.
Contemporarily,
growing
body
ultrasound-assisted
reactions
have
been
applied
preparation
imidazole
derivatives,
which
demonstrated
greater
benefits
provided
new
strategy.
Herein,
we
introduce
brief
history
focus
on
discussion
multifarious
approaches
imidazole-based
under
ultrasonic
irradiation
its
comparison
protocols,
typical
name-reactions
various
sorts
catalysts
reactions.
Synthesis,
Journal Year:
2023,
Volume and Issue:
56(03), P. 507 - 517
Published: Oct. 17, 2023
Abstract
A
new
approach
was
developed
for
the
synthesis
of
phenanthridin-4-ols
and
4-hydroxyphenanthridin-6(5H)-one
derivatives
in
43–89%
yields
based
on
AlCl3-mediated
rearrangement
available
4-phenylbenzo[d]oxazoles
4-phenyl-1,3-benzoxazol-2(3H)-one.
The
quantum
chemical
calculations
were
used
to
describe
mechanism
predict
thermodynamic
parameters
reaction
under
study.
New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
48(9), P. 3849 - 3861
Published: Jan. 1, 2024
Different
wt%
of
Pd@rGO,
Pd–Cu@rGO
and
Pd–Ni@rGO
catalysts
were
prepared
from
a
one-pot
wet
chemical
method
for
the
synthesis
various
conjugated
carbazole
derivatives
via
Suzuki–Miyaura
cross-coupling
reaction
their
photophysical
properties
screened.
