Heterocyclic sulfones. Part IV.1–3 A novel synthesis of pyrrole and fused heterocyclic sulfones
Abstract
The applicability and synthetic potency of the novel reagents diethyl 2-aryl-3-(phenylsulfonyl)propene-1,1-dicarboxylate 3 are reported. Compounds 3 are shown to be key precursors in heterocyclic