Tailored Silica‐Based Sensors (SBA‐Pr‐Ald‐MA) for Efficient Detection of Iron (III) Ions: A Comprehensive Theoretical and Experimental Viewpoint
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
39(1)
Published: Dec. 10, 2024
ABSTRACT
The
synthesis
and
characterization
of
SBA‐Pr‐Ald‐MA
as
a
modified
mesoporous
silica
material
made
from
SBA‐15
are
presented
in
this
work.
Meldrum's
acid
(MA),
2‐chloroquinoline‐3‐carbaldehyde,
3‐(chloropropyl)‐trimethoxysilane
were
used
to
functionalize
the
SBA‐15.
detection
limit
7.80
×
10
−8
M
for
demonstrated
its
exceptional
selectivity
toward
Fe
3+
ions.
Density
functional
theory
(DFT)
calculations
conducted
using
B3LYP/6‐311g(d,p)/LANL2DZ
investigate
molecular
electrostatic
potential
(MEP),
geometry
optimization,
orbital
analysis,
quantum
chemical
descriptors,
photoinduced
electron
transfer
(PET).
Geometry
optimization
MEP
diagram
verified
mechanism
interaction
obtained
experimental
results.
PET
analysis
indicated
that
electrons
transition
LUMO
Pr‐Ald‐MA
+
complex,
leading
maximum
fluorescence
quenching
efficiency.
Future
research
could
explore
sensor's
application
real‐world
environmental
monitoring
systems
extend
detect
other
hazardous
metal
Language: Английский
Design of Synthetic Strategies towards Sulfur Containing Scaffolds
Synthesis,
Journal Year:
2024,
Volume and Issue:
57(02), P. 275 - 295
Published: Aug. 28, 2024
Abstract
The
utilization
of
sulfur
heterocycles
in
organic
synthesis
has
attracted
significant
attention
due
to
their
wide-ranging
applications.
This
review
showcases
the
syntheses
diverse
embedded
with
amino
acid
derivatives,
polycycles,
spirocycles,
cyclophanes,
and
other
complex
scaffolds.
reported
methods
extend
beyond
compound
highlight
use
different
reagents
for
constructing
heterocycles.
Review
also
discusses
utility
a
variety
sulfur-containing
starting
materials
generation
target
molecules.
1
Introduction
2
Potassium
Thioacetate
3
Thiazolidine-2,4-dione
4
Rhodanines
5
Sodium
Sulfide
6
Thiotetronic
Acid
7
Thiadiazoles
8
Thiophene
9
Rongalite
10
Sulfur
Dioxide
11
Divinyl
Sulfone
12
Heterocycles
Based
on
Boronic
Acids
13
Miscellaneous
14
Summary
Language: Английский
The synthesis of 4′-amino-6′-methoxy-2-oxo-2H-spiro[acenaphthylene-1,2′-chromene]-3′-carbonitrile compounds as an efficient cyanide calorimetric sensor using Fe3O4@SiO2@Si-Pr-NH-(CH2)2NH2
Inorganic Chemistry Communications,
Journal Year:
2023,
Volume and Issue:
156, P. 111246 - 111246
Published: Aug. 22, 2023
Language: Английский