title: Preparation of rare-sugar nucleosides from keto-nucleosides: the synthesis of theophylline derivatives of 6-deoxy-beta-L-talopyranose and 3-O-methyl-beta-D-mannopyranose.
mesh_terms: D001894:Borohydrides; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D005069:Evaluation Studies as Topic; D006027:Glycosides; D006601:Hexoses; D009682:Magnetic Resonance Spectroscopy; D008358:Mannose; D008722:Methods; D009705:Nucleosides / Q000138:chemical synthesis*; D009904:Optical Rotation; D010084:Oxidation-Reduction; D013056:Spectrophotometry, Ultraviolet; D013806:Theophylline / Q000031:analogs & derivatives* / Q000138:chemical synthesis
chemical_list: D001894:Borohydrides; D006027:Glycosides; D006601:Hexoses; D009705:Nucleosides; D013806:Theophylline; D008358:Mannose