Multi-stimuli-responsive fluorescence of axially chiral 4-ene-β-Diketones
作者： Dehua Wu , Xinyi Fang , Jintong Song , Lang Qu , Xiangge Zhou
DOI: 10.1016/J.DYEPIG.2020.108851
关键词: Combinatorial chemistry 、 Quantum yield 、 Tautomer 、 Hydrolysis 、 Fluorescence 、 Ene reaction 、 Amino acid 、 Steric effects 、 Chemistry 、 Molecule
摘要: Abstract A unique series of simple, smart, and chiral binaphthalene-substituted 4-ene-β-diketones molecules has been designed prepared. Their optical properties, charge contribution, transition process highly depend on their chemical structures. These π-conjugated materials are emissive in both solution solid (emission quantum yield up to 68%), owing the inhibition enol-keto tautomerization effect steric hindrance from binaphthalene. Through ethylenic bond hydrolysis, they can be used for not only cation/anion sensing but also amino acids recognition. Moreover, at low concentrations, have little cytotoxicity living cells stain cytoplasm. Therefore, afford a new platform design multi-stimuli-responsive, materials.
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