Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Synthesis of 2H,3-4-Dihydro-1,2-benzoselenazin-3-one and derivatives : A new heterocyclic ring system. ... The synthesis of 2H-3,4-dihydro-1,2-benzoselenazin-3-ones which are six-membered homologues of Ebselen is described in order to evaluate their glutathione peroxidase-like ...