Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 16, 2025
This
is
the
first
report
for
C-Se
bond
formation
involving
reaction
of
aryl
halides
with
arylboronic
acid
and
selenium
powder
to
synthesis
unsymmetrical
diaryl
selenides
in
presence
CuI
as
a
homogeneous
catalyst.
A
wide
range
react
various
substituted
groups
under
optimal
conditions
provide
desired
good
high
yields.
Also,
same
reactions
were
investigated
M-MCF@Gua-Cu
reusable
magnetic
nanocatalyst
conditions.
The
catalyst
allows
simpler
(easy
work-up)
greener
methodology.
In
addition,
advantages
presented
method
include
use
acid/Se
safe
cost-effective
arylselenating
system,
simplicity
operation,
green
cheap
solvent.
Cell Reports Physical Science,
Год журнала:
2023,
Номер
4(9), С. 101548 - 101548
Опубликована: Авг. 21, 2023
This
perspective
provides
an
entry-level
conversation
concerning
base
metal
catalysis
as
a
green
and
sustainable
solution
in
industrial
academic
contexts.
We
establish
definition
of
"base
metal,"
challenging
readers
to
consider
the
ethical
implications
sourcing.
explore
what
it
means
be
"sustainable"
provide
information
on
current
efforts
synthetic
chemistry.
examples
catalytic
trends
transformations
popular
fields
such
cross-coupling
small-molecule
conversion,
highlighting
relevant
systems.
Finally,
we
social
context—for
example,
decisions
related
catalyst
development
are
often
driven
by
factors
including
costliness,
safety,
adoptability
(whether
society
will
accept
its
usage),
performance.
How
do
move
forefront?
Is
concerned
if
materials
fabricated
from
cheaper
more
abundant
sources?
does
chemistry
community
guide
this
knowledge
translation?
Chemical Engineering Journal,
Год журнала:
2024,
Номер
483, С. 149271 - 149271
Опубликована: Фев. 3, 2024
The
development
of
efficient
and
cost-effective
catalysts
from
renewable
sources
is
crucial
for
sustainable
chemistry.
Herein,
we
developed
a
bio-heterogeneous
Pd-nanocatalyst
(PdNc@PA)
by
incorporating
palladium
nanoparticles
into
biodegradable
kenaf-cellulose
modified
with
poly(amidoxime)
ligands.
catalyst
has
demonstrated
remarkable
stability
exceptional
catalytic
performance
in
range
cross-coupling
including
Mizoroki-Heck,
Suzuki-Miyaura,
Tamejiro-Hiyama
reactions
inactivated
aryl
chlorides
resulting
high
yields
the
desired
coupling
products.
Additionally,
PdNc@PA
was
also
found
to
be
effective
Michael
addition
producing
N,
S,
O-alkylated
products
yields.
Furthermore,
robustness
recoverability
allowing
it
reused
across
successive
cycles
without
significant
loss
activity.
incorporation
resources
offers
an
environmentally
conscious
alternative
traditional
synthetic
approaches.
This
research
highlights
potential
utilizing
materials
as
supports,
which
could
significantly
diminish
environmental
impact
waste
production.
Moreover,
this
study
demonstrates
versatility
proficient
reusable
diverse
array
organic
reactions.
These
discoveries
provide
encouraging
pathway
towards
economically
viable
suitable
industrial
applications.
Abstract
The
continuous
development
of
advanced
catalysts
to
increase
process
yield
and
selectivity
is
crucial.
A
high
specific
surface
area
a
good
active
phase
dispersion
are
generally
essential
create
catalytic
materials
with
large
number
sites.
Notably,
fibrous
morphology
appealing
because
their
surface‐to‐volume
ratio
flexibility.
This
contribution
highlights
the
different
types
structures
currently
under
investigation,
all
way
from
nanoscale
macroscale
back,
where
distinction
lies
in
length
diameter
fibers,
as
well
connection
between
structures.
Fibers
at
least
one
submicron
characteristic
result
higher
yield,
but
can
display
practical
usability
issues
when
unbound.
Therefore,
structure
balance
small
handleability
important
for
industrial
viability.
By
combining
morphologies,
best
both
nanomaterials
macroscopic
integer
be
combined
into
materials.
overview
showcases
potential
these
makes
clear
that
further
research
needed
keep
expanding
use
effectiveness
catalysis.
Advanced Sustainable Systems,
Год журнала:
2024,
Номер
8(4)
Опубликована: Март 17, 2024
Abstract
GrafeoPlad‐Pd,
a
new
metal‐organic
alloy
comprised
of
Pd
nanoparticles
doped
with
3D‐entrapped
graphene
oxide,
has
promising
applicative
potential
in
sustainable
synthetic
organic
chemistry.
Besides
hydrogenation,
the
metal
nanopowder
comprising
material
is
also
active
and
relatively
stable
cross‐coupling
reactions
carried
out
consecutively.
X‐ray
photoelectron
spectroscopy
(XPS)
surface
investigation
density
functional
theory
(DFT)
calculations
are
applied
to
gain
insight
into
structure
catalytic
activity
this
class
molecularly
metals.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 2, 2025
C–C
and
C–X
bond
forming
reactions
are
essential
tools
in
organic
synthesis,
constantly
revolutionizing
human
life.
Among
the
key
methods
for
constructing
new
chemical
bonds
nucleophilic
addition
involving
imines.
However,
inherent
challenges
synthesizing
storing
imines
have
stimulated
interest
designing
stable
precursors,
which
generates
situ
during
reaction.
This
approach
offers
a
promising
alternative
to
traditional
strategies
holds
significant
potential
future
applications.
Here
we
report
direct
general
of
with
cost-effective
feedstocks
easily
accessible
nucleophiles,
specifically
utilizing
N‑functionalized
hydroxylamine
reagents
as
bench-stable
precursors.
methodology
streamlines
synthesis
various
products,
such
amino
acid
derivatives,
through
wide
range
reaction
types,
including
C–C,
C–N,
C–O,
C–S
constructions.
Mechanistic
studies
DFT
calculations
provide
insights
into
plausible
mechanism
that
supports
in-situ
imine
formation.
The
stimulate
precursors
can
generate
Here,
authors
N
functionalized
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(40)
Опубликована: Авг. 18, 2022
Lignin
is
an
abundant
renewable
carbon
source.
Due
to
its
complex
structure,
utilization
of
lignin
very
challenging.
Herein,
we
describe
efficient
strategy
for
the
simultaneous
lignin,
in
which
methoxy
groups
react
with
carboxylic
acids
generate
methyl
carboxylates
and
other
alkyl
phenyl
carbons
oxygen
predominantly
form
CO
that
can
be
used
directly
carbonylation
reactions.
The
method
was
applied
methylation
various
functionalized
aryl
acids,
including
natural
compounds,
produce
valuable
chemicals,
pharmaceuticals.
No
solid
or
liquid
residues
remain
after
reaction.
Mechanistic
studies
demonstrate
a
well-ordered
C-C
C-O
bond
activation
sequence
takes
place
realize
total
transformation
lignin.
This
work
opens
way
entire
polymer
into
products,
exemplified
by
synthesis
pharmaceutical,
Ramipril,
on
gram
scale.
