Gao Xi-cun
2010
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
Two novel carbazol derivatives,3,6-bis(9,9-dimethyl-9H-fluoren-2-yl)-9-phenyl-9H-carbazole(1a) and 3,6-bis[(4-triphenylsilanyl)phenyl]-9-phenyl-9H-carbazole(1b),were synthesized through methylation,Ullmann reaction,boric acidification and Suzuki coupling reaction using carbazole,triphenylsiyl chloride and 2-bromo-9H-fluorene as the starting materials.The structures were characterized by 1H NMR and elemental analysis.The optoelectronic properties of 1a and 1b were investigated by UV-Vis spectra,fluorescence emission spectra and cyclic voltammetry.