ArticleFrontiers in chemistry2021
Red-Shift (2-Hydroxyphenyl)-Benzothiazole Emission by Mimicking the Excited-State Intramolecular Proton Transfer Effect.
Article in Frontiers in chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- A Dual-Function Indole-Benzimidazole Hybrid: Lipid Droplet Imaging and Anticancer Potential.ACS omega · 2026Article
- On the Vapor Pressures, Phase Transitions, and Solid-State Fluorescence of 2-(2-Hydroxyphenyl)benzoxazole and 2-(2-Hydroxyphenyl)benzothiazole.Chemphyschem : a European journal of chemical physics and physical chemistry · 2026Article
- Unraveling the structure-property relationships in fluorescent phenylhydrazones: the role of substituents and molecular interactions.RSC advances · 2025Article
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3 authors.
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Abstract
Novel strategies to optimize the photophysical properties of organic fluorophores are of great significance to the design of imaging probes to interrogate biology. While the 2-(2-hydroxyphenyl)-benzothiazole (HBT) fluorophore has attracted considerable attention in the field of fluorescence imaging, its short emission in the blue region and low quantum yield restrict its wide application. Herein, by mimicking the excited-state intramolecular proton transfer (ESIPT) effect, we designed a series of 2-(2-hydroxyphenyl)-benzothiazole (HBT) derivatives by complexing the heteroatoms therein with a boron atom to enhance the chance of the tautomerized keto-like resonance form. This strategy significantly red-shifted the emission wavelengths of HBT, greatly enhanced its quantum yields, and caused little effect on molecular size. Typically, compounds
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