Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Robust
UiO-67-typed
Zr-HMOFs
1
and
2
(HMOFs
=
homochiral
metal-organic
frameworks)
functionalized
with
isomeric
chiral
amine
alcohol
pendants,
which
have
the
same
topology,
but
relative
positions
between
hydrogen-bonding
sites
carbons
are
different,
were
synthesized
as
adsorption
platforms
for
enantioseparation
of
1-phenylethanol,
1-phenyl-2-propanol,
2-phenyl-1-propanol.
Both
materials
exhibited
effective
performance
aforementioned
alcohols.
Particularly,
achieved
an
enantiomeric
excess
(ee)
value
96.4%
while
exceptionally
high
ee
99.6%
2-phenyl-1-propanol,
ranking
among
highest
values
reported
HMOFs.
Based
on
experimental
results
host-guest
structure
analysis,
it
can
be
inferred
that
higher
similarity
groups
directly
bonded
to
carbon
in
substrate,
better
enantioseparation.
Replacing
ligand
material
achiral
skeleton,
four
1@x
%
(x
being
molar
percentage
used
during
synthesis)
explore
impact
framework's
pore
size
active
site
concentration
separation
performance.
The
showed
1@50%
had
capacity
47.7
mg
g-1
98.6%,
respectively.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Robust
UiO-67-typed
Zr-HMOFs
1
and
2
(HMOFs
=
homochiral
metal-organic
frameworks)
functionalized
with
isomeric
chiral
amine
alcohol
pendants,
which
have
the
same
topology,
but
relative
positions
between
hydrogen-bonding
sites
carbons
are
different,
were
synthesized
as
adsorption
platforms
for
enantioseparation
of
1-phenylethanol,
1-phenyl-2-propanol,
2-phenyl-1-propanol.
Both
materials
exhibited
effective
performance
aforementioned
alcohols.
Particularly,
achieved
an
enantiomeric
excess
(ee)
value
96.4%
while
exceptionally
high
ee
99.6%
2-phenyl-1-propanol,
ranking
among
highest
values
reported
HMOFs.
Based
on
experimental
results
host-guest
structure
analysis,
it
can
be
inferred
that
higher
similarity
groups
directly
bonded
to
carbon
in
substrate,
better
enantioseparation.
Replacing
ligand
material
achiral
skeleton,
four
1@x
%
(x
being
molar
percentage
used
during
synthesis)
explore
impact
framework's
pore
size
active
site
concentration
separation
performance.
The
showed
1@50%
had
capacity
47.7
mg
g-1
98.6%,
respectively.
