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Structure-Property Relationships in Mixed Oligoheterocycles Based on End-Capped Oligothiophenes

✍ Scribed by Ullrich Mitschke; Tony Debaerdemaeker; Peter Bäuerle

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 488 KB
Volume: 2000
Category: Article
ISSN: 1434-193X
DOI: 10.1002/(sici)1099-0690(200002)2000:3<425::aid-ejoc425>3.0.co;2-z

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✦ Synopsis

Novel mixed oligoheterocycles 1-5, containing thiophene/ thiazole, thiophene/1,3,4-thiadiazole, thiophene/oxazole, or thiophene/1,3,4-oxadiazole moieties, were synthesized. The introduction of electronegative heteroatoms such as oxygen and nitrogen into the conjugated π-system leads to a more pronounced acceptor character than that found in the analogous oligothiophenes. Characterization of the redox properties reveals that the reduction of the mixed oligomers is facilitated while oxidation is shifted to higher potentials.

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