The demethylation of quarternary ammonium salts of some alkaloids by sodium selenophenolate.
D000470:Alkaloids; D055598:Chemical Phenomena; D002621:Chemistry; D010636:Phenols; D000644:Quaternary Ammonium Compounds; D012643:Selenium; D012964:Sodium
D000470:Alkaloids; D010636:Phenols; D000644:Quaternary Ammonium Compounds; D012964:Sodium; D012643:Selenium