[摘要]:A new series of structurally diverse quinolinobenzothiazinones has been synthesized with the annulation of heterocyclic structural pharmacophores. The synthesized quinolinobenzothiazinones have been evaluated for their antioxidant (LPO & GSH) and radical scavenging activities (DPPH and ABTS assays). (C) 2010 Elsevier Masson SAS. All rights reserved.