Solvent effect on the 77Se NMR chemical shifts of diphenyl diselenides
Ricardo H. Bartz,
No information about this author
Paola dos Santos Hellwig,
No information about this author
Gelson Perin
No information about this author
et al.
New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
48(7), P. 2971 - 2978
Published: Jan. 1, 2024
Herein,
we
evaluated
the
solvent
effect
on
77
Se
NMR
chemical
shifts
of
diphenyl
diselenides.
To
gain
a
deeper
insight
into
shift
behavior,
DFT
calculations
have
been
performed.
Language: Английский
New Fluorescent Chemodosimetric Mechanism for Selective Recognition of Selenocysteine by Dansyl-Appended Ruthenium Nitrosyl Complexes
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 20, 2025
Selenocysteine
(Sec)
is
a
biologically
essential
amino
acid
that
serves
as
crucial
component
in
selenoproteins
play
key
role
various
cellular
functions.
Thus,
developing
reliable
and
rapid
method
for
detecting
Sec
physiological
media
of
paramount
importance.
This
report
introduces
the
first
time
novel
fluorescent
chemodosimetric
mechanism
selective
recognition
using
dansyl-appended
ruthenium
nitrosyl
complexes.
These
complexes
consist
tetradentate
ligand
featuring
π-extended
system
(L
=
N,N′-bis(2-hydroxy-1-naphthylidene)-1,2-phenylenediamine)
monodentate
derived
from
conjugated
dansyl
group,
which
acts
strong
signaling
unit
(ID
dansyl-imidazole,
BD
dansyl-benzimidazole).
The
reaction
between
{RuNO}6
[RuL(NO)(ID)]Cl
or
[RuL(NO)(BD)]Cl
an
aqueous
phase
enhances
fluorescence;
result,
it
releases
NO•
has
been
demonstrated
through
fluorimetric
titrations,
UV–vis
77Se
NMR,
EPR,
IR,
MS,
electronic
density
calculations.
quantitatively
detect
within
micromolar
concentration
range,
achieving
limit
detection
low
0.31
0.12
μM,
respectively,
just
5
min.
Remarkably,
these
chemodosimeters
can
also
be
conveniently
employed
to
living
Saccharomyces
cerevisiae
cells.
Language: Английский
77Se NMR spectroscopy of selenium adducts of N-heterocyclic carbenes
Sean Ray Kahnert,
No information about this author
Lucas Pruschinski,
No information about this author
Andreas Schmidt
No information about this author
et al.
Advances in heterocyclic chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Language: Английский
Synthesis and antioxidant activities of N-thiophenyl ebselenamines: a 77Se{1H} NMR mechanistic study
New Journal of Chemistry,
Journal Year:
2022,
Volume and Issue:
46(25), P. 12010 - 12022
Published: Jan. 1, 2022
Synthesis
of
N
-thiophenyl
ebselenamines
and
selenenyl
sulphides
as
efficient
radical-trapping
hydroperoxide-decomposing
antioxidants,
respectively
has
been
described.
Language: Английский