Jm. Raimundo et al., NEW CONJUGATED SYSTEMS WITH MULTIPLE REDO X STATES, Journal de chimie physique et de physico-chimie biologique, 95(6), 1998, pp. 1234-1237
New linear pi-conjugated systems based on the association of thiophene
-based donors and an acceptor group derived from indan-1,3-dione have
been synthesized. Electrochemical and optical data are consistent with
a small HOMO-LUMO gap and strong electron-acceptor properties.