title: [Ubiquinones and related compounds. 23. Synthesis of quinones with novel condensing agents].
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D011809:Quinones / Q000138:chemical synthesis*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013237:Stereoisomerism; D014451:Ubiquinone / Q000138:chemical synthesis*
chemical_list: D011809:Quinones; D014451:Ubiquinone
vernacular_title: Ubichinone und verwandte Substanzen. 23. Synthese von Chinonen mit neuen Kondensationsmitteln.