Multi-step reaction with 7 steps
1: 1.) CuI, 2.) HMPA / 1.) Et2O/THF, -78 deg C, 2.5 h, 2.) -78 to 25 deg C, 16 h
2: SO2Cl2 / pTSA / CCl4 / 12 h / 10 - 25 °C
3: LiCl, Li2CO3 / dimethylformamide / 2 h / 100 °C
4: 1.) sec-BuLi, 2.) 90percent HCOOH / 1.) THF/TMEDA, -55 to 25 deg C, 2 h, 2.) 25 deg C, 1.5 h
5: NaClO2, NH2SO3H / H2O; dioxane / 1.5 h / 0 - 25 °C
6: diethyl ether / 0.5 h / 0 °C
7: 1.) N-methyl-morpholine N-oxide, 2.) NaIO4 / 1.) OsO4, 3.) pTSA / 1.) acetone/H2O, 25 deg C, 16 h (bisulfite workup), 2.) acetone/H2O, 25 deg C, 30 min, 3.) benzene, reflux
With
N,N,N,N,N,N-hexamethylphosphoric triamide; sodium chlorite; sodium periodate; copper(l) iodide; formic acid; sulfuryl dichloride; aminosulfonic acid; sec.-butyllithium; lithium carbonate; 4-methylmorpholine N-oxide; lithium chloride;
osmium(VIII) oxide; toluene-4-sulfonic acid;
In
1,4-dioxane; tetrachloromethane; diethyl ether; water; N,N-dimethyl-formamide;
DOI:10.1021/ja00272a060