Fluorescent dyes for moisture detection in organic solvents: Push-pull based phenothiazine aldehydes with large Stokes shifts

T Sachdeva, MD Milton - Journal of Photochemistry and Photobiology A …, 2020 - Elsevier
In an effort to develop probes for efficient detection of traces of water, a series of push-pull
based donor (D)-acceptor (A) phenothiazine aldehydes displaying large Stokes shifts (115 …

Nature‐Inspired Functional Chromophores from Biomimetic o‐Quinone Chemistry

ML Alfieri, L Panzella, O Crescenzi… - European Journal of …, 2021 - Wiley Online Library
A concise highlight of the main types of chromophoric systems obtained in the authors' and
other laboratories through biomimetic chemistry or synthetic manipulation of nature‐inspired …

The dependence of absorption spectrum of Congo red on the properties of media: solvatochromism, switch solvatochromism, selective solvation and polarity scales

SS Hemdan - Journal of Solution Chemistry, 2024 - Springer
In this study, the effect of polarity and hydrogen bonding ability of solvents on the absorption
spectrum of Congo red was investigated. UV–Visible absorption spectra were recorded in …

Effects of Enol-imine/Keto-amine tautomerism and conformational changes on the electronic spectra of a novel 1, 2, 4-triazole ortho-hydroxyaryl Schiff base in different …

İ Sıdır, YG Sıdır, H Berber, R Fausto - Journal of Molecular Structure, 2023 - Elsevier
In this study, a novel o-hydroxyaryl Schiff base bearing the 1, 2, 4-triazole heterocyclic
core,(E)-2-(((4H-1, 2, 4-triazol-4-yl) imino) methyl)-6-methoxyphenol, was synthesized and …

Supramolecularly cross-linked amphiphilic block copolymer assembly by the dipolar interaction of a merocyanine dye

A Rajak, CK Karan, P Theato, A Das - Polymer Chemistry, 2020 - pubs.rsc.org
The ability of amphiphilic block copolymers to produce a wide range of self-assembled
structures from nano to mesoscale makes them potentially relevant candidates in biomedical …

The role of hydrogen bonding in the preferential solvation of 5-aminoquinoline in binary solvent mixtures

S Das, PK Singha, AK Singh… - The Journal of Physical …, 2021 - ACS Publications
5-Aminoquinoline (5AQ) has been used as a fluorescent probe of preferential solvation (PS)
in binary solvent mixtures in which the nonpolar component is diethyl ether and the polar …

D‐π‐A Molecular Probe to Unveil the Role of Solute‐Solvent Hydrogen Bonding in Solvatochromism, Location Specific Preferential Solvation and Synergistic Effect in …

P Kumar Malik, M Tripathy, S Patel - ChemistrySelect, 2020 - Wiley Online Library
Abstract An azo dye 4‐(p‐Nitrophenylazo) phenol (NPAP) characterized with a donor‐π‐
acceptor (D‐π‐A) framework has been used as a molecular probe to study solvatochromic …

KI/K2S2O8 Mediated Cascade C(sp3)−H/C(sp2)−H Thiolation for the Synthesis of Multi‐Substituted Thiazoles

L Liu, J Zhang - European Journal of Organic Chemistry, 2022 - Wiley Online Library
Thiazole and carbonyl often act as core functional or regulative moieties in biological
molecules as well as optical materials. Designing and synthesis of carbonyl‐containing …

Reversal in solvatochromism, photochromism and thermochromism in a new bis-azo dye based on naphthalen-1-amine

İ Sıdır, YE Kara, YG Sıdır, H Berber, R Fausto - Journal of Photochemistry …, 2024 - Elsevier
A novel bis-azo dye, 4, 4′-((1E, 1′ E)-(oxybis (4, 1-phenylene)) bis (diazene-2, 1-diyl)) bis
(naphthalen-1-amine)(abbreviated as 4odna) was synthesized and characterized by IR and …

Bioinspired heterocyclic partnership in a cyanine-type acidichromic chromophore

ML Alfieri, L Panzella, M d'Ischia, A Napolitano - Molecules, 2020 - mdpi.com
A new red hair-inspired 1, 4-benzothiazine-based scaffold is disclosed herein, built upon a
modular D-π-A architecture via condensation of the easily accessible 3-phenyl-2 H-1, 4 …