1: With methanesulfonamide; potassium carbonate; potassium hexacyanoferrate(III); (DHQD)2-PYR; potassium dioxotetrahydroxoosmate(VI) in water; tert-butyl alcohol T=0°C; Sharpless dihydroxylation; 40 h; 2: With iodine; calcium carbonate in methanol; water T=40°C; 15 h; Further stages.;

1: K2CO3; MeSO2NH2; K3Fe(CN)6 / OsO4; (DHQD)2-Py / 2-methyl-propan-2-ol; H2O / 7 h / 0 °C 2: I2; CaCO3 / methanol; H2O / 24 h / 20 °C View Scheme

1: With methanesulfonamide; potassium carbonate; potassium hexacyanoferrate(III); (DHQD)2-PYR; potassium dioxotetrahydroxoosmate(VI) in water; tert-butyl alcohol T=0°C; Sharpless dihydroxylation; 40 h; 2: With iodine; calcium carbonate in methanol; water T=40°C; 15 h; Further stages.;