Catalysis Communications,
Journal Year:
2023,
Volume and Issue:
182, P. 106755 - 106755
Published: Aug. 28, 2023
A
facile,
efficient
and
environmentally-friendly
method
for
the
synthesis
of
2-amino-4H-chromenes
via
multicomponent
reaction
in
presence
modified
multiwalled
carbon
nanotubes
(MWCNTs/CONHBu)
as
a
green
reusable
solid
base
catalysts
is
presented.
All
products
were
synthesized
short
times
with
high
to
excellent
yields
under
conditions
identified
using
FTIR
1H
NMR
techniques.
The
remarkable
aspects
this
are
including
mild
conditions,
simple
workup,
heterogeneous
catalyst,
process,
yield
products.
catalyst
was
characterized
SEM,
XRD,
TEM,
Raman
FT-IR
spectroscopy.
ChemistryOpen,
Journal Year:
2021,
Volume and Issue:
10(8), P. 815 - 829
Published: Aug. 1, 2021
Abstract
One
of
the
highlights
green
chemistry
is
development
techniques
and
procedures
with
low
environmental
impact.
In
last
years,
deep
eutectic
solvents
(DES)
have
become
an
important
alternative
to
conventional
organic
solvents.
For
a
period
ionic
liquids
provoked
remarkable
interest,
but
they
been
displaced
by
DES
because
show
easier
preparation
methods,
lower
prices,
many
them
are
biodegradable
compatible
biological
systems.
addition,
adjustable
physicochemical
properties,
high
thermal
stability,
volatility
water.
this
paper
reviewed
state
art
use
paying
special
attention
role
reaction
media
in
synthesis.
Minerals Engineering,
Journal Year:
2023,
Volume and Issue:
203, P. 108306 - 108306
Published: Aug. 19, 2023
The
rapid
industrialization
and
energy
transition,
as
well
social
pressure
is
increasing
the
current
needs
for
metals.
This
results
in
an
demand,
so
exploitation
of
more
natural
resources.
In
this
scenario,
a
alternative
to
minimise
lack
resource
recycling
industrial
waste
by-products,
such
electrical
electronic
waste,
lithium
batteries,
solar
panels,
blast
furnace
slag,
etc.
Many
articles
focus
on
recovery
metals
by
hydrometallurgical
methods
are
published.
Currently,
one
great
scientific
challenges
minimize
environmental
impact
these
methods.
Deep
Eutectic
Solvents
(DESs)
emerging
environmentally
friendly
from
by-products
due
their
greener
properties.
entailing
number
publications
area.
review
article
collects
highlights
relevance
use
solvents
metal
methods,
showing
main
disadvantages
its
As
as,
possibility
adjust
physico-chemical
properties
according
application.
Russian Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
92(12), P. RCR5104 - RCR5104
Published: Dec. 1, 2023
After
the
appearance
of
green
chemistry
concept,
which
was
introduced
in
vocabulary
early
1990s,
its
main
statements
have
been
continuously
developed
and
modified.
Currently,
there
are
10–12
cornerstones
that
should
form
basis
for
an
ideal
chemical
process.
This
review
analyzes
accumulated
experience
achievements
towards
design
products
processes
reduce
or
eliminate
use
generation
hazardous
substances.
The
presents
views
leading
Russian
scientists
specializing
various
fields
this
subject,
including
homogeneous
heterogeneous
catalysis,
fine
basic
organic
synthesis,
electrochemistry,
polymer
chemistry,
based
on
bio-renewable
feedstocks
energetic
compounds
materials.
A
new
approach
to
quantitative
evaluation
environmental
friendliness
by
authors
is
described.
<br>
bibliography
includes
1761.
Journal of Industrial and Engineering Chemistry,
Journal Year:
2023,
Volume and Issue:
132, P. 36 - 49
Published: Nov. 19, 2023
Deep
eutectic
solvents
(DESs)
are
a
group
of
eco-friendly,
low-cost
and
tuneable
that
have
gained
significant
attention
in
recent
years
due
to
their
remarkable
properties
including
high
solubility
conductivity,
low
toxicity
easy
recovery.
DESs
also
demonstrated
outstanding
catalytic
activity,
especially
as
green
alternative
traditional
catalysts
several
chemical
reactions
organic
synthesis,
biomass
conversion
pharmaceutical
manufacturing,
among
others.
In
this
review,
we
explore
the
potential
co-solvents
reaction
media
or
diversity
reactions,
focusing
on
both
homogeneous
heterogeneous
catalysis
electrocatalysis
during
last
quinquenium.
The
review
article
is
organised
three
main
sections:
catalysis,
electrocatalysis.
each
section,
most
research
regarding
versatile
types
synthesis
presented
discussed.
Furthermore,
offers
insights
into
future
perspectives
catalysis.
LWT,
Journal Year:
2023,
Volume and Issue:
187, P. 115366 - 115366
Published: Sept. 1, 2023
There
is
an
increasing
need
for
sustainable
sources
of
dietary
protein.
Sesame
meal
a
protein-rich
waste
from
the
industrial
production
sesame
oil.
It
could
help
meet
this
if
high
quality
protein
be
extracted
in
environmentally
friendly
way.
The
traditional
alkali-soluble
acid
precipitation
extraction
process
produces
proteins
with
poor
functionality
and
harmful
to
environment.
Deep
eutectic
solvents
(DESs)
offer
novel,
approach
extraction.
In
study,
four
DES
systems
(choline
chloride-glycerol,
choline
chloride-ethylene
glycol,
chloride-oxalic
acid,
chloride-glycolic
acid)
were
designed
tested
3
M
ratios
(10
sample
solutions).
Extracted
compared
by
terms
structure
function.
glycol
system
purity
93.3%.
performed
well
solubility,
emulsification,
foaming
thermal
stability.
These
results
indicate
that
deep
can
effectively
extract
characteristics
appropriate
use
food
industry.
This
research
lays
groundwork
high-value
utilization
meal,
which
currently
discarded
as
waste.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Jan. 2, 2024
Abstract
Multifunctional
polymeric
eutectogel
with
characteristics
such
as
self‐healing,
adhesive,
moldable,
load
bearable
and
penetrable
through
the
stratum
corneum
layer
of
skin
is
vital
for
designing
highly
efficient
platform
new
age
sustained
transdermal
drug
delivery.
Inspired
by
sea
cucumber,
which
can
loosen
tighten
its
body
merge
collagen
fibers
to
regain
firmness,
a
biomimetic
multifunctional
above
mentioned
developed
here
interacting
natural
deep
eutectic
solvent
(NADES)
poly
(vinyl
alcohol)
(PVA).
Hydrogen
bonding
interactions
responsible
formation
eutectogel,
porous
three‐dimensional
fibrous
network
morphology
mechanical
strength
well
thixotropic
behavior
were
assessed
using
state
art
analytical
techniques.
The
also
exhibited
properties
phase
transition,
i
n‐vitro
degradation
stability
function
temperature,
pH
salt
concentration,
respectively
apart
from
characteristics.
eutectogel‐bound
cotton
patch
high
absorptivity
(750
%
high)
curcumin
was
developed.
further
investigated
potential
delivery
vehicle
encapsulation
anticancer
drug,
5‐Fluoro
Uracil.
Skin
permeation
study
chemotherapeutic
activity
against
MCF‐07
human
breast
cancer
cell
lines
evaluated,
showing
promising
results.
