A number of derivatives of 1,3-dithienylbenzo[c]thiophene have been sy
nthesized. The mono-and dicarboxaldehydes have been elaborated to give
new vinylenes and cyanovinylenes. beta-Dodecyl- and hexyl-substituted
analogues have been prepared. Results from cyclic voltammetric invest
igation as well as fluorescence studies are reported.