Novel dispirobifluorenes and indeno-spirobifluorenes: syntheses and properties

Novel dispirobifluorenes and indeno-spirobifluorenes: syntheses and properties

Novel indeno-spirobifluorene and dispirobifluorene derivatives were synthesized and characterized. Their two positional isomers were unambiguously determined by X-ray crystallography. Preliminary investigations indicated that these indeno-spirobifluorene and dispirobifluorenes showed blue fluorescen...

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Veröffentlicht in:Tetrahedron 2011-02, Vol.67 (6), p.1201-1209
Hauptverfasser: Shi, Yingbo, Liu, Qiancai, Wu, Guohong, Rong, Lingling, Tang, Jie
Format: Artikel
Sprache:eng
Schlagworte:
Alicyclic compounds
Alicyclic compounds, terpenoids, prostaglandins, steroids
Chemistry
Crystallography
Derivatives
Diels–Alder Cycloaddition
Dispirobifluorenes
Exact sciences and technology
Fluorescence
Indeno-spirobifluorenes
Isomers
Organic chemistry
Preparations and properties
Synthesis
Tetrahedrons
Thermal stability
X-rays
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Zusammenfassung:Novel indeno-spirobifluorene and dispirobifluorene derivatives were synthesized and characterized. Their two positional isomers were unambiguously determined by X-ray crystallography. Preliminary investigations indicated that these indeno-spirobifluorene and dispirobifluorenes showed blue fluorescence with good quantum yields ( Φ>60%) and excellent thermal stabilities. [Display omitted]
ISSN:0040-4020
1464-5416
DOI:10.1016/j.tet.2010.11.092