Processes,
Journal Year:
2024,
Volume and Issue:
12(12), P. 2879 - 2879
Published: Dec. 16, 2024
Hydrophobic
eutectic
solvents
(HES)
show
significant
promise
as
extractants
for
metal
ions.
At
their
current
stage
of
development,
however,
they
have
many
disadvantages,
such
high
costs,
limited
data
on
reusability
and,
often,
lower
extraction
efficiency
when
compared
with
traditional
systems.
This
study
investigates
the
physico-chemical
properties
five
HES
formulations
based
1-octanol
in
combination
camphor,
2′-hydroxypropiophenone,
menthol,
1-octanoic
acid,
and
thymol.
The
1-octanol/camphor
exhibited
substantially
higher
Fe(III)
ions
than
a
solution
toluene
at
same
concentration.
Furthermore,
it
showed
stability
used
mixer-settler
type
extractor.
achieved
rapid
re-extraction
rate,
phase
contact
time
reduced
to
just
2
min,
without
loss
efficiency.
Using
supported
liquid
membrane
method,
proposed
Oct/Cam
enabled
threefold
concentration
iron
raffinate
under
continuous
operation,
confirming
its
potential
reusability.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(2), P. 120 - 120
Published: Feb. 2, 2024
Deep
Eutectic
Solvents
(DESs)
have
appeared
in
recent
years
as
an
appealing
alternative
to
classical
organic
solvents,
due
their
valuable
environmental
properties.
In
addition,
these
compounds,
formed
by
the
combination
of
one
hydrogen
bond
donor
with
a
acceptor
at
defined
stoichiometric
ratio,
present
other
activities
not
only
reaction
medium.
DESs
can
also
be
employed
catalysts
through
hydrogen-bond
interactions
different
chemical
transformations,
thus
substituting
hazardous
reagents
and
solvents.
The
search
for
novel
more
environmentally
friendly
is
area
interest
pharmaceutical
chemists,
therefore,
efforts
made
application
synthesis
APIs
or
its
precursors
are
described,
focusing
mainly
on
condensations,
nucleophilic
additions
carbonyl
moieties,
multicomponent
reactions.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(6), P. 4296 - 4321
Published: Jan. 1, 2025
The
present
review
attempts
to
evaluate
the
applicability
of
deep
eutectic
solvents
(DES)
as
a
green
technique
for
extraction
phytochemicals
from
Mangifera
indica
L.
and
their
therapeutic
potential.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(23), P. 24464 - 24476
Published: May 31, 2024
An
efficient,
MnO2-catalyzed
ligand-free
synthesis
of
(E)-6,7-dihydrodibenzo[b,j][1,7]phenanthrolines,
13,
and
(E)-1,2,3,4-tetrahydrobenzo[b][1,6]naphthyridines,
15,
utilizing,
2-amino-5-chloro-benzhydrol,
9,
acridinol,
10,
or
1-benzyl-4-piperidinol,
14,
benzyl
alcohols,
11,
is
reported.
The
dehydrogenative
Friedlander
annulation
utilizing
ChCl/p-TSA
(DES-1)
subsequent
C(sp3)–H
functionalization
with
TBAB/p-TSA
(DES-2)
was
effected
at
100
°C.
optimized
reaction
conditions
gave
excellent
product
yields,
the
products
were
evaluated
for
their
by
UV
absorption
fluorescence
emission
studies.
Asia-Pacific Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
19(6)
Published: Aug. 23, 2024
Abstract
Deep
eutectic
solvents
(DESs)
are
increasingly
recognized
as
sustainable
alternatives
suitable
for
a
range
of
industrial
applications.
A
precise
comprehension
their
properties
is
important
progress
in
science
and
engineering.
In
this
study,
we
synthesized
four
novel
ternary
DESs
using
mandelic
acid
measured
densities
viscosities
at
temperatures
ranging
from
298
to
353
K.
Subsequently,
an
artificial
neural
network
model
was
developed
predict
DES
density
viscosity
based
on
temperature,
critical
properties,
acentric
factor,
molar
ratio.
The
parameters
were
optimized
experimental
data
literature
sources,
both
collectively
over
500
points
viscosity.
Additionally,
investigated
the
influence
input
accuracy
assessed
significance.
results
show
that
average
percentage
relative
error
0.501
4.81
This
research
helps
advance
engineering
applications
DESs.
