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(2,1‐ a )‐Indenofluorene Derivatives: Syntheses, X‐ray Structures, Optical and Electrochemical Properties
Author(s) -
Thirion Damien,
Poriel Cyril,
RaultBerthelot Joëlle,
Barrière Frédéric,
Jeannin Olivier
Publication year - 2010
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201001830
Subject(s) - fluorene , electrochemistry , chemistry , materials science , photochemistry , combinatorial chemistry , stereochemistry , polymer , organic chemistry , electrode
Two novel fluorophores based on the (2,1‐ a )‐indenofluorenyl backbone, dispiro[fluorene‐9,11′‐indeno[2,1‐ a ]fluorene‐12′,9′′‐fluorene], (2,1‐ a )‐DSF‐IF and 11,12‐dihydroindeno[2,1‐ a ]fluorene (2,1‐ a )‐IF have been prepared through original and efficient synthetic approaches. After consideration of synthetic features, the structural, optical and electrochemical properties of these new blue/violet emitters have been studied in detail by a combined experimental and theoretical approach. The properties of the (2,1‐ a )‐DSF‐IF and (2,1‐ a )‐IF are also compared to those of their corresponding positional isomers based on the (1,2‐ b )‐indenofluorenyl backbone and those of related dispirofluorene heteroacenes.