title: 6-Oxa analogues of pyrimidines and pyrimidine nucleosides. Synthesis of 5-amino-6H-1,2,4-oxadiazin-3(2H)-one, 2-beta-D-ribofuranosyl-6H-1,2,4-oxadiazine-3,5(2H,4H)-dione, and related derivatives.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003596:Cytosine / Q000031:analogs & derivatives; D008722:Methods; D010078:Oxazines / Q000138:chemical synthesis*; D012263:Ribonucleosides / Q000138:chemical synthesis*; D013889:Thiouracil / Q000031:analogs & derivatives; D014529:Uridine / Q000031:analogs & derivatives
chemical_list: D010078:Oxazines; D012263:Ribonucleosides; D013889:Thiouracil; D003596:Cytosine; D014529:Uridine