Insights into the photo-and thermal induced intramolecular processes of 2-(hydroxyphenyl) benzoxazoles: Experimental and theoretical aspects

EV Vetrova, AV Metelitsa, IO Tupaeva… - … of Photochemistry and …, 2023 - Elsevier
It has been established that 2-(2-carboisopropoxy-3, 4-dichloro-6-hydroxyphenyl)
benzoxazole exhibits solvatochromic properties due to keto-enol equilibrium through …

Design, synthesis and biological evaluation of 2-quinolyl-1, 3-tropolone derivatives as new anti-cancer agents

EA Gusakov, IA Topchu, AM Mazitova, IV Dorogan… - RSC …, 2021 - pubs.rsc.org
Tropolones are promising organic compounds that can have important biologic effects. We
developed a series of new 2-quinolyl-1, 3-tropolones derivatives that were prepared by the …

Dual-state emission properties of 2-(2-carboalkoxy-3, 4-dichloro-6-hydroxyphenyl) benzoxazoles and its Zn (II) and Cd (II) complexes

EV Vetrova, IO Tupaeva, OP Demidov… - Journal of …, 2023 - Elsevier
Dual-state emission is an uncommon, but very attractive property of organic or complex
compounds designed for various applications, including chemical sensors and probes for …

Recent Advances and Prospects in the Chemistry of o‐Benzoquinones

S Radhika, S Saranya, NA Harry… - ChemistrySelect, 2019 - Wiley Online Library
Ortho‐benzoquinones play a vital role as reactive intermediate having high electrophilic
character. Sterically crowded 1, 2‐benzoquinones and their derivatives exhibiting divergent …

Chromogenic properties of 2-(2-carbomethoxy-3, 4-dichloro-6-hydroxyphenyl) benzoxazole and its Zn (II) and Cd (II) complexes

EV Vetrova, IO Tupaeva, YA Sayapin, EA Gusakov… - Dyes and …, 2020 - Elsevier
Abstract The chromogenic properties of 2-(2-carbomethoxy-3, 4-dichloro-6-hydroxyphenyl)
benzoxazole (1) were studied. Solvatochromism of 1 was observed at keto-enol equilibrium …

Lactam-fused tropolones: a new tunable, environmentally sensitive fluorophore class

DV Schiavone, J Gallardo, DM Kapkayeva… - Organic & …, 2023 - pubs.rsc.org
Fluorescent small-molecules capable of altering their profiles in response to environmental
changes are exceptionally valuable tool compounds throughout the scientific community …

Novel fluorophores: Syntheses and photophysical studies of boron-aminotroponimines

C Balachandra, NK Sharma - Dyes and Pigments, 2017 - Elsevier
The syntheses and photophysical study of novel fluorescent boron-aminotroponimine
complexes are described. The chemical structure of one of the boron complexes was …

BODIPY analogues: synthesis and photophysical studies of difluoro boron complexes from 2-aminotropone scaffolds through N, O-chelation

BB Palai, R Soren, NK Sharma - Organic & Biomolecular Chemistry, 2019 - pubs.rsc.org
Boron-dipyrromethene (BODIPY) fluorophore derivatives were prepared from a
Pyrromethene scaffold and di-fluoroboron. To add to the range of biocompatible …

Evidence for the O− H⋅⋅⋅ O= C Resonance‐Assisted Hydrogen Bond in Tropolones and Quantification of its σ‐and π‐Components Using Molecular Tailoring …

AV Afonin, D Rusinska‐Roszak - ChemPhysChem, 2024 - Wiley Online Library
For a series of tropolones, the nature of the intramolecular O− H⋅⋅⋅ O= C hydrogen bond
closing the five‐membered quasi‐cycle was studied. Enhancement of conjugation in the …

Synthesis, molecular structure and biological activity of Niii complexes based on substituted 2-(2-hydroxyphenyl) benzoxazole

IO Tupaeva, OP Demidov, EV Vetrova… - Mendeleev …, 2022 - Elsevier
New Ni ii complexes based on the substituted 2-(2-hydroxy-phenyl) benzoxazole have been
synthesized from the corresponding ligands and nickel acetate. The crystal structure of bis [2 …