title: Photocyclisation of enamides. Part VIII. Synthesis of 13-methyl-berbines; total synthesis of (+/-)-cavidine.
mesh_terms: D001600:Berberine Alkaloids / Q000138:chemical synthesis*; D007546:Isoquinolines; D010777:Photochemistry
chemical_list: D001600:Berberine Alkaloids; D007546:Isoquinolines