title: [Synthesis of the 2,3,5,6-tetrahydro-1,4-oxathine-ring from dimethyl acetylenedicarboxylate (author's transl)].
mesh_terms: D000114:Acetylene / Q000031:analogs & derivatives*; D003500:Cyclization; D003998:Dicarboxylic Acids; D004952:Esters; D006571:Heterocyclic Compounds / Q000138:chemical synthesis*; D010075:Oxathiins / Q000138:chemical synthesis*
chemical_list: D003998:Dicarboxylic Acids; D004952:Esters; D006571:Heterocyclic Compounds; D010075:Oxathiins; D000114:Acetylene
vernacular_title: Synthese des 2.3.5.6-Tetrahydro-(1.4)-oxathiin-Ringes aus Acetylene-dicarbonsäuredimethylester