Fourfold alkoxy-substituted (2.2.2)paracyclophane-1,9,17-trienes-ROMP into PPVs with unusual topologies

• Verfasst von: Mäker, Dominic [VerfasserIn]
• Verfasst von: Bunz, Uwe H. F. [VerfasserIn]
• Titel: Fourfold alkoxy-substituted (2.2.2)paracyclophane-1,9,17-trienes-ROMP into PPVs with unusual topologies
• Verf.angabe: Dominic Mäker, Uwe H.F. Bunz
• E-Jahr: 2014
• Jahr: 12 November 2014
• Umfang: 5 S.
• Fussnoten: Gesehen am 28.10.2020
• Titel Quelle: Enthalten in: Macromolecular rapid communications
• Ort Quelle: Weinheim : Wiley-VCH, 1980
• Jahr Quelle: 2014
• Band/Heft Quelle: 35(2014), 24, Seite 2096-2100
• ISSN Quelle: 1521-3927
• DOI: doi:10.1002/marc.201400515
• Datenträger: Online-Ressource
• Sprache: eng
• Sach-SW: conjugated polymers
• Sach-SW: cyclophanetrienes
• Sach-SW: metathesis
• Sach-SW: PPV
• Sach-SW: ROMP
• K10plus-PPN: 1736870939

Abstract

The synthesis of two 4,7,12,15-tetrakisalkoxy-substituted [2.2.2]-paracyclophane-1,9,17-trienes and their polymerization employing ring opening metathesis polymerization (ROMP) using Ru-carbenes (third-generation Grubbs catalyst) is reported. Phenylene ethynylene trimers are reduced via a Grignard reagent, followed by an intramolecular McMurry cyclization to give the cyclophenes. The cyclophenes are polymerized into soluble poly(para-phenylene vinylene)s (PPV), which are analyzed in solution by NMR, UV-vis, and fluorescence spectroscopy. They are spin coated into amorphous, fluorescent thin films, and investigated by optical spectroscopy and cyclic voltammetry.