Homoconjugated Push-Pull and Spiro Systems: Intramolecular Charge-Transfer Interactions and Third-Order Optical Nonlinearities

Homoconjugated Push-Pull and Spiro Systems: Intramolecular Charge-Transfer Interactions and Third-Order Optical Nonlinearities

Homoconjugated push–pull chromophores are obtained by [2+2] cycloaddition of 2,3‐dichloro‐5,6‐dicyano‐p‐benzoquinone to anilino or ferrocene donor‐substituted alkynes, and in one case a spiro compound (see picture: examples with corresponding electron adsorption spectra; C gray, Cl green, N blue, O ...

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Veröffentlicht in:Angewandte Chemie (International ed.) 2010-08, Vol.49 (35), p.6207-6211
Hauptverfasser: Kato, Shin-ichiro, Beels, Marten T. Roberts, La Porta, Philip, Schweizer, W. Bernd, Boudon, Corinne, Gisselbrecht, Jean-Paul, Biaggio, Ivan, Diederich, François
Format: Artikel
Sprache:eng
Schlagworte:
charge transfer
conjugation
cycloadditions
nonlinear optoelectronic properties
spiro compounds
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Beschreibung
Zusammenfassung:Homoconjugated push–pull chromophores are obtained by [2+2] cycloaddition of 2,3‐dichloro‐5,6‐dicyano‐p‐benzoquinone to anilino or ferrocene donor‐substituted alkynes, and in one case a spiro compound (see picture: examples with corresponding electron adsorption spectra; C gray, Cl green, N blue, O red). Significant third‐order optical nonlinearities could be measured for the first time for homoconjugated push–pull systems.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201002236