Ring Transformations of Semicyclic 1,3-Dicarbonyl Heteroanalogs; IV1. Synthesis of 3-(ω-Aminoalkyl)-1,2,4-thiadiazoles by Ring Transformation Reaction of Semicyclic Thioacylamidines with 3,3-Pentamethyleneoxaziridine - Pätzel, Michael; Liebscher, Jürgen; Andreae, Siegfried; Schmitz, Ernst (Synthesis, 1990)