title: Geminal alkylation in carbohydrate chemistry. Conversion of L-glutamic acid into gem-di-C-methyl carbohydrate derivatives, and synthesis of 6-chloro-9-(5,5-dimethylfuran-2-yl)purine.
mesh_terms: D000900:Anti-Bacterial Agents; D001665:Binding Sites; D002241:Carbohydrates; D005971:Glutamates; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D009904:Optical Rotation; D011684:Purine Nucleosides / Q000138:chemical synthesis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000900:Anti-Bacterial Agents; D002241:Carbohydrates; D005971:Glutamates; D011684:Purine Nucleosides