Synthesis and structural characterization of alkyl oligothiophenes—the first isomerically pure dialkylsexithiophene
作者:Peter Bäuerle、Frederike Pfau、Helge Schlupp、Frank Würthner、Kai-Uwe Gaudl、Miguel Balparda Caro、Peter Fischer
DOI:10.1039/p29930000489
日期:——
Regioselective bromination of alkylated bi- and ter-thiophenes affords key building blocks for the synthesis of higher, isomerically pure alkyl oligothiophenes. For all new compounds, unequivocal structural assignment is based on a detailed analysis of the fully coupled C-13, H-1 NMR spectra.