Binaphthyl‐Aniline‐Based Chiral Magnetic Polymer
Journal of Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
ABSTRACT
Magnetoactive
polymers
based
on
1,1′‐binaphthyl‐2,2′‐diamine
with
axial
chirality
were
synthesized
through
cross‐coupling
polycondensation
of
the
Buchwald–Hartwig
reaction
and
subsequent
oxidation
m
‐chloroperoxybenzoic
acid.
The
characterized
optical
spectroscopy,
electron
spin
resonance,
superconducting
quantum
interference
device,
synchrotron
X‐ray
diffraction.
Circular
dichroism
measurements
revealed
that
exhibited
activity.
Magnetic
further
showed
are
organic
chiral
materials
weak
antiferromagnetism
owing
to
presence
solid
oxygen
low‐dimensional
ordering.
Language: Английский
Dynamic Dance of Chirality and Morphology: Interplay of Solvent-Sensitive Self-Assembly in Topological Evolution and Chirality Amplification
Gaurav Kumar,
No information about this author
Manoj Kumar,
No information about this author
Vandana Bhalla
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et al.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(45), P. 62988 - 62998
Published: Oct. 31, 2024
The
building
block
Pyra-Chol
has
been
designed
and
synthesized,
which
exhibits
different
achiral
morphologies
in
good
solvents,
forming
nanospheres
THF
nanoflowers
1,4-dioxane.
In
the
presence
of
water
as
a
poor
cosolvent,
demonstrates
an
agnostic
behavior,
generating
left-handed
superhelices
water:THF
(80:20)
solvent
system.
However,
when
is
switched
to
1,4-dioxane,
change
chirality
observed
water:1,4-dioxane
(30:70)
system,
resulting
formation
fused
nanospheres.
Interestingly,
cosolvent
changed
from
MCH
THF,
chiral
pattern
remains
unchanged,
but
morphology
changes
completely.
Supported
by
collective
spectroscopic
microscopic
analysis,
present
study
efficaciously
remarkable
control
hydrophobic
over
sense
also
highlights
fascinating
influence
well
supporting
distinct
molecular
packing.
Language: Английский