title: [Synthesis of 14C-azelastine hydrochloride].
abstract: The synthesis of 4-(p-Chlorobenzyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1(2H)-phthalazinone hydrochloride (14C-azelastine hydrochloride, Asta A 5610) is described Starting material was 14C-phthalic anhydride.
mesh_terms: D002250:Carbon Radioisotopes; D055598:Chemical Phenomena; D002621:Chemistry; D007553:Isotope Labeling / Q000379:methods; D010793:Phthalazines / Q000138:chemical synthesis*; D011724:Pyridazines / Q000138:chemical synthesis*
chemical_list: D002250:Carbon Radioisotopes; D010793:Phthalazines; D011724:Pyridazines; C020976:azelastine
vernacular_title: Synthese von 14C-Azelastin-hydrochlorid.