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| Verfasst von: | Abdulkarim, Ali [VerfasserIn]  |
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| | Nathusius, Marvin [VerfasserIn] |
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| | Bäuerle, Rainer [VerfasserIn] |
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| | Strunk, Karl-Philipp [VerfasserIn] |
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| | Beck, Sebastian [VerfasserIn] |
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| | Räder, Hans Joachim [VerfasserIn] |
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| | Pucci, Annemarie [VerfasserIn] |
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| | Melzer, Christian [VerfasserIn] |
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| | Jänsch, Daniel [VerfasserIn] |
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| | Freudenberg, Jan [VerfasserIn] |
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| | Bunz, Uwe H. F. [VerfasserIn] |
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| | Müllen, Klaus [VerfasserIn] |
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| Titel: | Beyond p-hexaphenylenes |
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| Titelzusatz: | synthesis of unsubstituted p-nonaphenylene by a precursor protocol |
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| Verf.angabe: | Ali Abdulkarim, Marvin Nathusius, Rainer Bäuerle, Karl-Philipp Strunk, Sebastian Beck, Hans Joachim Räder, Annemarie Pucci, Christian Melzer, Daniel Jänsch, Jan Freudenberg, Uwe H.F. Bunz, and Klaus Müllen |
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| E-Jahr: | 2021 |
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| Jahr: | January 4, 2021 |
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| Umfang: | 8 S. |
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| Fussnoten: | Online veröffentlicht: 12 August 2020 ; Gesehen am 28.02.2024 |
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| Titel Quelle: | Enthalten in: Chemistry - a European journal |
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| Ort Quelle: | Weinheim : Wiley-VCH, 1995 |
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| Jahr Quelle: | 2021 |
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| Band/Heft Quelle: | 27(2021), 1, Seite 281-288 |
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| ISSN Quelle: | 1521-3765 |
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| Abstract: | The synthesis of unsubstituted oligo-para-phenylenes (OPP) exceeding para-hexaphenylene—in the literature often referred to as p-sexiphenyl—has long remained elusive due to their insolubility. We report the first preparation of unsubstituted para-nonaphenylenes (9PPs) by extending our precursor route to poly-para-phenylenes (PPP) to a discrete oligomer. Two geometric isomers of methoxylated syn- and anti-cyclohexadienylenes were synthesized, from which 9PP was obtained via thermal aromatization in thin films. 9PP was characterized via optical, infrared and solid-state 13C NMR spectroscopy as well as atomic force microscopy and mass spectrometry, and compared to polymeric analogues. Due to the lack of substitution, para-nonaphenylene, irrespective of the precursor isomer employed, displays pronounced aggregation in the solid state. Intermolecular excitonic coupling leads to formation of H-type aggregates, red-shifting emission of the films to greenish. 9PP allows to study the structure-property relationship of para-phenylene oligomers and polymers, especially since the optical properties of PPP depend on the molecular shape of the precursor. |
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| DOI: | doi:10.1002/chem.202001531 |
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| URL: | Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.
kostenfrei: Volltext: https://doi.org/10.1002/chem.202001531 |
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| | kostenfrei: Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/chem.202001531 |
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| | DOI: https://doi.org/10.1002/chem.202001531 |
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| Datenträger: | Online-Ressource |
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| Sprache: | eng |
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| Sach-SW: | conjugation |
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| | oligo-para-phenylene |
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| | pi interaction |
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| | precursor route |
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| K10plus-PPN: | 1882061500 |
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| Verknüpfungen: | → Zeitschrift |
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Beyond p-hexaphenylenes / Abdulkarim, Ali [VerfasserIn]; January 4, 2021 (Online-Ressource)
