Efficient Synthesis of Benzo[1,2‑<i>b</i>:6,5‑<i>b</i>′]dithiophene-4,5-dione (BDTD) and Its Chemical Transformations into Precursors for π‑Conjugated Materials

A straightforward synthesis of the fused-aromatic dione benzo[1,2-<i>b</i>:6,5-<i>b</i>′]dithiophene-4,5-dione (BDTD) has been developed. This fused-aromatic dione was subjected to various chemical transformations to generate diverse molecules with potential use in π-conjugated materials for organic electronics