Tuning ESIPT-coupled luminescence by expanding π-conjugation of a proton acceptor moiety in ESIPT-capable zinc (II) complexes with 1-hydroxy-1 H-imidazole …

NA Shekhovtsov, EB Nikolaenkova, AS Berezin… - Dalton …, 2022 - pubs.rsc.org
The emission of ESIPT-fluorophores is known to be sensitive to various external and internal
stimuli and can be fine-tuned through substitution in the proton-donating and proton …

ESIPT-Capable 4-(2-Hydroxyphenyl)-2-(Pyridin-2-yl)-1H-Imidazoles with Single and Double Proton Transfer: Synthesis, Selective Reduction of the Imidazolic OH …

NA Shekhovtsov, EB Nikolaenkova, AA Ryadun… - Molecules, 2023 - mdpi.com
1 H-Imidazole derivatives establish one of the iconic classes of ESIPT-capable compounds
(ESIPT= excited state intramolecular proton transfer). This work presents the synthesis of 1 …

Solvent effects on the ESIPT emission of salicylaldehyde Schiff base derivative: A theoretical reconsideration

J Zhao, Q Li, M Guo, L Yan, G Hu, L Zhu, H Yin… - Journal of Molecular …, 2024 - Elsevier
Salicylaldehyde Schiff base derivatives have potential applications in bioimaging, chemical
sensors and organic luminescence materials because of their high fluorescence quantum …

First 1-hydroxy-1 H-imidazole-based ESIPT emitter with an O–H⋯ O intramolecular hydrogen bond: ESIPT-triggered TICT and speciation in solution

NA Shekhovtsov, AA Ryadun, VF Plyusnin… - New Journal of …, 2022 - pubs.rsc.org
Search for new types of ESIPT-capable molecules is crucial for understanding the factors
controlling the ESIPT photoreaction. In this paper, we present combined experimental and …

Insights into Hydrogen Bonding Effect as Well as Excited State Intramolecular Proton Transfer Associated with Solvent Polarity and Atomic Electronegativity for 2 …

J Zhao, L Fan, L Li, B Jin, Z Tang - ChemistrySelect, 2023 - Wiley Online Library
Inspired by the excellent photochemical properties of 3‐hydroxyflavone and its derivatives,
in this work, the novel 2‐phenyl‐3‐hydroxybenzo [g] quinolone (2P3HBQ) fluorophore is …

TDDFT investigation of solvent polarity related excited state intramolecular proton transfer in 2-(4′-hydroxyphenyl)-3-hydroxybenzo [g] quinolone

J Zhao, L Feng, L Fan, H Dong - Chemical Physics, 2023 - Elsevier
In view of potential applications of fluorescent probe for the novel 2-(4′-hydroxyphenyl)-3-
hydroxybenzo [g] quinolone (2HP3HBQ) chemosensor, herein, we mainly focus on …

ESIPT in a binary mixture of non-polar and protic polar solvents: Role of solvation dynamics

S Dutta, N Basu, D Mandal - Journal of Photochemistry and Photobiology A …, 2023 - Elsevier
Excited-state intramolecular proton transfer (ESIPT) was studied for two different
fluorophores M2N3HF and 2P3HBQ in binary solvent mixtures of n-heptane and methanol …

Theoretical study of excited state intramolecular proton transfer behavior for 2-phenyl, 3-hydroxybenzo [g] quinolones and its derivative in the aprotic and protic …

Z Tang, S Wang, S Liu, J Zhao - Chemical Physics Letters, 2023 - Elsevier
We mainly focus on exploring the excited state intramolecular proton transfer (ESIPT) and
fluorescence behavior of 2-phenyl, 3-hydroxybenzo [g] quinolones (2P3HBQ) and its …

Theoretically unveiling the effect of solvent polarities on ESDPT mechanisms and photophysical properties of hydroxyanthraquinones

X Xu, Z Zhang, Y Zhang, L Jin, Q Cheng, F Liu… - Journal of Molecular …, 2022 - Springer
In this work, we were devoted to explore the effect of solvent polarities on the excited-state
intramolecular proton transfer (ESIPT) process of 1-acetamido-4-hydroxyanthraquinone …

Excited state intramolecular proton transfer of 2-Aryl, 3-Hydroxybenzo [g] quinolones in surfactant supramolecular assemblies

S Dutta, D Mandal - Journal of Luminescence, 2022 - Elsevier
Abstract The 2-Aryl 3-Hydroxybenzo [g] quinolones (2Ar3HBQ) are a relatively new family of
ESIPT fluorophores distinguished by their visible absorption spectra, which makes them …