Increasing the Orthogonality of 4‐Pyridiniophenols: An NMR Study of Their Solvatomagnetism
Magnetic Resonance in Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 23, 2025
ABSTRACT
The
1
H‐
and
13
C‐NMR
spectra
of
three
substituted
N‐
(4‐hydroxyphenyl)pyridinium
perchlorates,
precursors
solvatochromic
4‐pyridiniophenolate
betaines,
were
recorded
in
deuterated
acetone,
dimethylsulfoxide,
acetonitrile,
their
spectral
behavior
these
solvents
was
analyzed
as
evidence
the
solute–solvent
interactions
present
solution.
effect
increasing
orthogonality
between
phenolic
pyridinium
fragments
clearly
evident
from
obtained
spectra,
thus
shedding
light
on
ground‐state
structures
deprotonated
derivatives
with
solvent.
Язык: Английский
Enclathration of Aliphatic Alcohols by 1,4-Bis(4,5-bis(4-bromophenyl)-imidazolyl)benzene: Influence of Alcohol Chain Length on Photochromic Efficiency and Response Time
Crystal Growth & Design,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 30, 2025
Язык: Английский
The Solvatomagnetism of ET(33) Betaine and of Its Phenolic Precursor
Magnetic Resonance in Chemistry,
Год журнала:
2024,
Номер
62(12), С. 817 - 824
Опубликована: Авг. 27, 2024
ABSTRACT
The
1
H
and
13
C
NMR
spectra
of
the
N
‐(3,5‐dichloro‐4‐hydroxyphenyl)‐
2,4,6‐triphenylpyridinium
perchlorate
its
deprotonated
betaine
4‐(2,4,6‐triphenylpyridinio)‐2,6‐dichlorophenolate
(Wolfbeis's
E
T
(33)
dye)
were
recorded
in
various
solvents
analyzed
search
solvent‐dependent
shifts
that
characterize
their
solvatomagnetism,
which
was
compared
with
well‐known
UV–vis
spectral
behavior
this
important
solvatochromic
dye.
Although
phenolic
precursor
different
correlated
only
poorly
responses,
they
provided
valuable
information
on
specific
structural
features
solute–solvent
interactions
are
not
available
from
spectra.
Язык: Английский
Relating solvatochromism and solvatomorphism in organic dyes using high pressure
IUCrJ,
Год журнала:
2024,
Номер
11(4), С. 440 - 441
Опубликована: Июнь 27, 2024
By
using
complementary
experimental
methods
including
in
situ
high-pressure
single-crystal
X-ray
diffraction
and
UV–Vis
spectroscopy,
the
intricate
connection
between
solvatochromism
solvatomorphism
has
been
elucidated
a
recent
publication
[Sobczak
&
Katrusiak
(2024).
IUCrJ,
11,
528–537].
The
was
demonstrated
for
an
important
pigment
–
Reichardt's
dye
with
potential
applications
nonlinear
optoelectronics
molecular
pressure
sensor
development.
Язык: Английский