A convenient synthesis of benzo[b]chalcogenophenes from 4-(2-chloro-5-nitrophenyl)-1,2,3-chalcogenadiazoles

Article abstract of DOI:10.1016/j.tetlet.2013.04.077

An unusual base-promoted transformation of readily available 4-(2-chloro-5-nitrophenyl)-1,2,3-thia- and selenadiazoles affords a convenient approach toward benzo[b]thiophenes and benzo[b]selenophenes.