title: Unsaturated sugars. I. Decarboxylative elimination of methyl 2,3-di-O-benzyl-alpha-D-glucopyranosiduronic acid to methyl 2,3-di-O-benzyl-4-deoxy-beta-L-threo-pent-4-enopyranoside.
mesh_terms: D000080:Acetals; D001593:Benzyl Compounds; D003653:Decarboxylation; D003837:Deoxy Sugars / Q000138:chemical synthesis; D004126:Dimethylformamide; D005965:Glucuronates; D006865:Hydrogenation; D010429:Pentoses / Q000138:chemical synthesis*
chemical_list: D000080:Acetals; D001593:Benzyl Compounds; D003837:Deoxy Sugars; D005965:Glucuronates; D010429:Pentoses; D004126:Dimethylformamide