title: Nucleosides. 101. Conformationally restricted analogues of pyrimidine nucleosides. 1. Synthesis of 6,5'(S)- and 6,5'(R)-cyclouridine.
mesh_terms: D001952:Bridged-Ring Compounds / Q000138:chemical synthesis; D003500:Cyclization; D007536:Isomerism; D008968:Molecular Conformation; D011741:Pyrimidine Nucleosides / Q000138:chemical synthesis*; D014529:Uridine / Q000031:analogs & derivatives* / Q000138:chemical synthesis
chemical_list: D001952:Bridged-Ring Compounds; D011741:Pyrimidine Nucleosides; C007208:cyclouridine; D014529:Uridine