title: General photochemical synthesis of 1H-1,2-benzodiazepines from N-iminoquinolinium ylide dimers.
mesh_terms: D001569:Benzodiazepines / Q000138:chemical synthesis*; D007536:Isomerism; D008722:Methods; D010777:Photochemistry; D011806:Quinolinium Compounds
chemical_list: D011806:Quinolinium Compounds; D001569:Benzodiazepines