title: [Studies in the synthesis of the series of 3.6-epidithio-2,5-dioxo-piperazine antibiotics gliotoxin, sporidesmin, aranotin, chaetocin, and verticillin. V. Preparation of epitrithio- and epitetrathio-L-prolyl-L-proline anhydride].
mesh_terms: D000812:Anhydrides / Q000138:chemical synthesis; D000900:Anti-Bacterial Agents / Q000138:chemical synthesis*; D004220:Disulfides / Q000138:chemical synthesis; D010455:Peptides / Q000138:chemical synthesis*; D010879:Piperazines / Q000138:chemical synthesis; D011392:Proline / Q000138:chemical synthesis
chemical_list: D000812:Anhydrides; D000900:Anti-Bacterial Agents; D004220:Disulfides; D010455:Peptides; D010879:Piperazines; D011392:Proline
vernacular_title: Syntheseversuche in der Reihe der 3.6-Epidithio-2.5-dioxo-pierazin-Antibiotika Gliotoxin, Sporidesmin, Aranotin, Chaetocin und Verticillin. V. Synthese des Epitrithio- und Epitetrathio-L-prolyl-L-prolinanhydrids.