title: Synthesis of new analgetic homopyrimidazoles.
mesh_terms: D000700:Analgesics / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D003500:Cyclization; D004952:Esters; D006865:Hydrogenation; D007659:Ketones / Q000138:chemical synthesis; D009287:Naphthyridines / Q000138:chemical synthesis; D011725:Pyridines; D011743:Pyrimidines / Q000138:chemical synthesis*; D013053:Spectrophotometry
chemical_list: D000700:Analgesics; D004952:Esters; D007659:Ketones; D009287:Naphthyridines; D011725:Pyridines; D011743:Pyrimidines