title: The synthesis of 2-substitued derivatives of 5-amino-1-beta-D-ribo-furanosylimidazole-4-carboxamide. Ring opening reactions of 2-azapurine nucleosides.
mesh_terms: D001372:Aza Compounds; D055598:Chemical Phenomena; D002621:Chemistry; D007093:Imidazoles; D008722:Methods; D011684:Purine Nucleosides; D012263:Ribonucleosides / Q000138:chemical synthesis*
chemical_list: D001372:Aza Compounds; D007093:Imidazoles; D011684:Purine Nucleosides; D012263:Ribonucleosides