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Preparation and characterization of alpha,alpha'-bisdiarylamino-capped oligothiophenes
Ahcene Tabet1, Anke Schröder, Horst Hartmann
1University of Applied Sciences, Geusaer Strasse, D-06217 Merseburg, Germany.
Organic Letters
|May 24, 2003
Abstract:
[reaction: see text] A series of alpha,alpha'-bisdiarylamino-capped oligothiophenes C(n) were prepared by the palladium-catalyzed reaction of the dibromo compounds A(i) with diarylamines, N,N-diarylamino-substituted thiophenes or 2,2'-bithiophenes BX(j). These easily oxidizable compounds exhibit a high tendency to form amorphous glasses and characteristic electrochemical and spectroscopic properties that depend significantly on the number of their thiophene moieties.