Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 149809-43-8, Name is ((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methyl 4-methylbenzenesulfonate, molecular formula is C21H21F2N3O4S, belongs to Tetrahydrofurans compound, is a common compound. In a patnet, author is Wang, Fang, once mentioned the new application about 149809-43-8, Recommanded Product: 149809-43-8.
Multi-Stimuli Responsive Luminescent beta-Diketones and Difluoroboron Complexes with Heterocyclic Substituents
Emissive beta-diketones (bdks) and difluoroboron complexes (BF(2)bdks) exhibit multi-stimuli responsive luminescence, including solvatochromism, viscochromism, aggregation induced emission, thermal and mechanochromic luminescence, halochromism and pH sensing. In this study, a series of six-membered heterocycle-substituted (piperidine, morpholine, 1-methyl piperazine) bdk ligands and boron complexes were synthesized, and their luminescent properties were investigated. All the compounds exhibited red-shifted emission in more polar solvents due to intramolecular charge transfer as well as higher emission intensity in more viscous environments. In response to solubility changes in water/tetrahydrofuran mixtures, while the piperazine bdk ligand showed aggregation caused quenching, the piperidine and morpholine bdks displayed enhanced emission upon aggregation. In the solid state, all ligands exhibited mechanochromism. More dramatic halochromism was observed for the piperidine boron dye spin cast film. In solution, for the boron dyes under varying pH values (1-13), different protonated and deprotonated forms were analyzed according to the measured emission spectra.
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Reference:
Tetrahydrofuran – Wikipedia,
,Tetrahydrofuran | (CH2)3CH2O – PubChem